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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 1873. Отображено 100.
05-01-2017 дата публикации

Lubricant for Low Global Warming Potential Refrigerant Systems

Номер: US20170002243A1
Принадлежит:

The disclosed technology relates to a working fluid for a low global warming potential (GWP) refrigeration system that includes a compressor, where the working fluid includes an ester based lubricant and a low GWP refrigerant, and where the ester based lubricant includes an ester of one or more branched carboxylic acids where said branched carboxylic acid contains 8 or less carbon atoms. The disclosed technology provides commercially useful low GWP working fluids (commercially useful working fluids based on low GWP refrigerants) that do not have the solubility and/or miscibility problems commonly seen in low GWP fluids, including high viscosity fluids and applications. 1. A working fluid for a low global warming potential refrigeration system comprising a compressor , the working fluid comprising an ester based lubricant and a low global warming potential refrigerant;wherein the ester based lubricant comprises an ester of one or more branched carboxylic acids where said branched carboxylic acid contains 8 or less carbon atoms.2. The working fluid of wherein said branched carboxylic acid contains 5 carbon atoms.3. The working fluid of wherein said branched carboxylic acid comprises 2-methylbutanoic acid claim 1 , 3-methylbutanoic acid claim 1 , or a combination thereof.4. The working fluid of wherein said ester is formed by the reaction of said acid and one or more polyols claim 1 , wherein said polyol comprises neopentyl glycol claim 1 , glycerol claim 1 , trimethylol propane claim 1 , pentaerythritol claim 1 , dipentaerythritol claim 1 , tripentaerythritol.5. The working fluid of wherein said working fluid further comprises: (i) one or more esters of one or more linear carboxylic acids claim 1 , (ii) one or more polyalphaolefin (PAO) base oils claim 1 , (iii) one more alkyl benzene base oils claim 1 , (iii) one or more polyalkylene glycol (PAG) base oils claim 1 , (iv) one or more alkylated naphthalene base oils claim 1 , or (v) any combination thereof claim 1 , in ...

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05-01-2017 дата публикации

WORKING FLUID FOR HEAT CYCLE, COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM

Номер: US20170002244A1
Принадлежит: Asahi Glass Company, Limited

To provide a working fluid for heat cycle which has high durability, which is excellent in the compatibility with a greater variety of refrigerant oils, and which is excellent in the cycle performance (capacity), a composition for a heat cycle system, and a heat cycle system. A working fluid for heat cycle, which contains trifluoroethylene and difluoromethane, wherein the proportion of the total amount of trifluoroethylene and difluoromethane based on the entire amount of the working fluid for heat cycle is higher than 90 mass %, and the mass ratio represented by trifluoroethylene/difluoromethane in the working fluid for heat cycle is from 21/79 to 39/61, a composition for a heat cycle system, and a heat cycle system employing the composition. 1. A working fluid for heat cycle , which contains trifluoroethylene and difluoromethane , whereinthe proportion of the total amount of trifluoroethylene and difluoromethane based on the entire amount of the working fluid for heat cycle is higher than 90 mass % and at most 100 mass %, andthe mass ratio represented by trifluoroethylene/difluoromethane in the working fluid for heat cycle is from 21/79 to 39/61.2. The working fluid for heat cycle according to claim 1 , wherein the mass ratio represented by trifluoroethylene/difluoromethane in the working fluid for heat cycle is from 23/77 to 39/61.3. The working fluid for heat cycle according to claim 1 , wherein the mass ratio represented by trifluoroethylene/difluoromethane in the working fluid for heat cycle is from 23/77 to 37/63.4. The working fluid for heat cycle according to claim 1 , wherein the mass ratio represented by trifluoroethylene/difluoromethane in the working fluid for heat cycle is from 25/75 to 37/63.5. The working fluid for heat cycle according to claim 1 , wherein the mass ratio represented by trifluoroethylene/difluoromethane in the working fluid for heat cycle is from 25/75 to 35/65.6. The working fluid for heat cycle according to claim 1 , wherein the ...

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05-01-2017 дата публикации

Working Fluid Composition for Refrigerating Machine and Refrigerating Machine Oil

Номер: US20170002291A1
Принадлежит: JX NIPPON OIL & ENERGY CORPORATION

The present invention provides a working fluid composition for a refrigerating machine containing: a refrigerating machine oil containing, as a base oil, a mixed ester of (A) a complex ester synthesized from a polyhydric alcohol such as neopentyl glycol, a polybasic acid having 6 to 12 carbon atoms, a monohydric alcohol having 4 to 18 carbon atoms and the like, and (B) a polyol ester synthesized from a polyhydric alcohol such as neopentyl glycol and a monocarboxylic fatty acid having 4 to 18 carbon atoms, in a mass ratio of (A) the complex ester/(B) the polyol ester of 5/95 to 95/5; and a refrigerant such as carbon dioxide. 1. A working fluid composition for a refrigerating machine , comprising:a refrigerating machine oil comprising, as a base oil, a mixed ester of (A) a complex ester synthesized from a polyhydric alcohol comprising at least one selected from neopentyl glycol, trimethylolpropane and pentaerythritol, at least one selected from polybasic acids having 6 to 12 carbon atoms, and at least one selected from monohydric alcohols having 4 to 18 carbon atoms and monocarboxylic fatty acids having 4 to 18 carbon atoms, and (B) a polyol ester synthesized from at least one polyhydric alcohol selected from neopentyl trimethylolpropane, pentaerythritol and dipentaerythritol, and at least one selected from monocarboxylic fatty acids having 4 to 18 carbon atoms, in a mass ratio of (A) the complex ester/(B) the polyol ester of 5/95 to 95/5; anda refrigerant selected from carbon dioxide, 1,1,1,2-tetrafluoroethane, a mixture of difluoromethane and pentafluoroethane, a mixture of difluoromethane, pentafluoroethane and 1,1,1,2-tetrafluoroethane, and a mixture of pentafluoroethane, 1,1,1,2-tetrafluoroethane and 1,1,1-trifluoroethane.2. The working fluid composition for a refrigerating machine according to claim 1 , wherein the polyhydric alcohol constituting (A) the complex ester further comprises a dihydric alcohol having 2 to 10 carbon atoms except neopentyl glycol.3. The ...

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05-01-2017 дата публикации

GREASE FOR ROLLING BEARING, ROLLING BEARING, ROLLING BEARING DEVICE, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

Номер: US20170002867A1
Принадлежит:

Provided is grease for a rolling bearing of an information recording and reproducing apparatus , containing a base oil, a thickener, and at least one kind of an antioxidant selected from an amine-based antioxidant (A) expressed by the General Formula (1), and a phenol-based antioxidant (B) expressed by the General Formula (2). 2. The rolling bearing device for an information recording and reproducing apparatus according to claim 1 ,wherein the grease contains both the amine-based antioxidant (A) and the phenol-based antioxidant (B).3. The rolling bearing device for an information recording and reproducing apparatus according to claim 1 ,wherein the amount of the amine-based antioxidant (A) is greater than the amount of the phenol-based antioxidant (B) on a mass basis.4. The rolling bearing device for an information recording and reproducing apparatus according to claim 1 ,wherein the base oil contains a refined mineral oil that is classified as Group III in a base oil category defined by the American Petroleum Institute, and the flash point of the refined mineral oil is 240° C. or higher.5. The rolling bearing device for an information recording and reproducing apparatus according to claim 1 ,wherein the base oil contains a refined mineral oil that is classified as Group III in a base oil category defined by the American Petroleum Institute, and the flash point of the refined mineral oil is 250° C. or higher.6. The rolling bearing device for an information recording and reproducing apparatus according to claim 1 ,wherein the base oil contains a mixture of trimers to pentamers of α-olefin having 8 to 12 carbon atoms. Field of the InventionThe present invention relates to grease for a rolling bearing, a rolling bearing, a rolling bearing device, and an information recording and reproducing apparatus.Priority is claimed on Japanese Patent Application No. 2015-009486, filed on Jan. 21, 2015, and Japanese Patent Application No. 2015-232905, filed on Nov. 30, 2015, the ...

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04-01-2018 дата публикации

AMINOBENZOIC ACID DERIVATIVES

Номер: US20180002629A1
Принадлежит:

This invention relates to N-alkylated anthranilic acid derivative and their use in lubricants, such as engine oils, as TBN boosters. The invention particularly relates to compositions that deliver an ash-free base to a lubricant in the form of a basic amine additive, without adversely impacting seal compatibility and/or degradation, and methods thereof. 2. The method of wherein (a) claim 1 , the oil of lubricating viscosity claim 1 , has at least one property selected from the group consisting of: (i) a phosphorus content below 0.2% by weight claim 1 , (ii) a sulfur content below 1% by weight claim 1 , and (iii) a sulfated ash content below 1.5% by weight.3. The method of wherein: (i) the nitrogen content of the composition is less than 0.4 percent by weight claim 1 , (ii) the soap content of the composition is less than 5 percent by weight claim 1 , or (iii) combinations thereof.4. The method of wherein Ris: (i) a hydrocarbyl group containing at least 10 carbon atoms; (ii) a hydrocarbyl group containing at least one branch point; or (iv) combinations thereof.5. The method of wherein Ris: (i) a hydrocarbyl group containing at least 10 carbon atoms.6. The method of wherein component (b) is derived from a 4-(dialkylamino)benzoic acid and an alcohol claim 1 , optionally in the presence of a catalyst.7. The method of wherein component (b) is derived from an alcohol component comprising a mixture of linear alcohols containing 1 to 4 carbon atoms claim 1 , a mixture of linear alcohols containing 2 to 10 carbon atoms claim 1 , a mixture of linear alcohols containing 3 to 6 carbon atoms claim 1 , a mixture of linear alcohols containing 8 to 10 carbon atoms claim 1 , decyl alcohol claim 1 , isotridecyl alcohol claim 1 , 2-ethylhexanol claim 1 , or combinations thereof.8. The method of further comprising at least one additive selected from the group consisting of non-phosphorus-containing anti-wear agents claim 1 , ashless dispersants claim 1 , antioxidants claim 1 , friction ...

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04-01-2018 дата публикации

HYDROXYAROMATIC SUCCINIMIDE DETERGENTS FOR LUBRICATING COMPOSITIONS

Номер: US20180002630A1
Принадлежит:

A lubricating composition includes an oil of lubricating viscosity and an N-substituted hydroxyaromatic succinimide or a salt thereof. 1. A lubricating composition comprising:an oil of lubricating viscosity; andan N-substituted hydroxyaromatic succinimide or a salt thereof.2. The composition of claim 1 , wherein the hydroxyaromatic succinimide includes a hydrocarbyl group of at least 8 carbon atoms.3. The composition of claim 1 , wherein the hydrocarbyl group is attached to the succinimide ring.4. The composition of claim 1 , wherein the hydrocarbyl group is a linear alkyl or linear alkenyl group.5. The composition of claim 1 , wherein the hydroxyaromatic succinimide is a succinimide derivative of a hydroxyaromatic amine.6. The composition of claim 5 , wherein the hydroxyaromatic amine is an aminophenol.8. The composition of claim 7 , wherein Ris selected from hydrocarbyl groups of at least 10 or at least 12 claim 7 , or at least 14 claim 7 , or at least 16 claim 7 , or at least 18 carbon atoms.9. The composition of claim 7 , wherein Ris selected from hydrocarbyl groups of up to 30 carbon atoms claim 7 , or up to 28 carbon atoms claim 7 , or up to 26 carbon atoms claim 7 , or up to 24 carbon atoms claim 7 , or up to 22 carbon atoms.10. The composition of claim 7 , wherein Ris selected from alkyl and alkenyl groups of at least 10 carbon atoms claim 7 , or at least 12 carbon atoms claim 7 , or at least 14 carbon atoms claim 7 , or at least 16 carbon atoms claim 7 , or at least 18 carbon atoms.11. The composition of claim 7 , wherein Ris selected from alkyl and alkenyl groups of up to 30 carbon atoms claim 7 , or up to 28 carbon atoms claim 7 , or up to 26 carbon atoms claim 7 , or up to 24 carbon atoms claim 7 , or up to 22 carbon atoms.12. The composition of claim 7 , wherein Ris selected from linear alkyl and alkenyl groups.13. The composition of claim 7 , wherein n is 0.14. The composition of claim 7 , wherein n is at least 1 and Ris selected from alkyl and alkenyl ...

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04-01-2018 дата публикации

Combinations of Phosphorous-Containing Compounds for Use as Anti-Wear Additives in Lubricant Compositions

Номер: US20180002631A1
Автор: MILNER Jeffrey L.
Принадлежит:

The present disclosure relates to a lubricant composition comprising a first phosphorus compound, a second phosphorus compound, and a third phosphorus compound, wherein the first phosphorus compound is present in the lubricant composition in an amount to provide between about 120 and 350 ppm phosphorus. The lubricant composition may provide robust anti-wear and reduced pitting. 1. A lubricant composition comprising: (i) reacting an O,O-dihydrocarbyl phosphorodithioic acid with an epoxide to form a product;', '(ii) reacting the product with phosphorus pentoxide to produce an acid phosphate intermediate; and', '(iii) neutralizing at least a major portion of the intermediate with at least one first amine;, '(a) a first phosphorus compound formed by(b) a second phosphorus compound formed by reacting a sulfur source with a dihydrocarbyl phosphite;(c) a third phosphorus compound formed by reacting an acid phosphate with at least one second amine;(d) wherein the first phosphorus compound is present in the lubricant composition to provide between about 120 and about 350 ppm phosphorus to the lubricant composition and said first and second amine may be the same or different.2. The lubricant composition of claim 1 , wherein the total amount of phosphorus present in the lubricant composition is between about 500 and about 1500 ppm.3. The lubricant composition of claim 1 , wherein the total amount of phosphorus present in the lubricant composition is between about 800 and about 1100 ppm.4. The lubricant composition of claim 1 , wherein the O claim 1 ,O-di-hydrocarbyl phosphorodithioic acid is O claim 1 ,O-di(4-methyl-2-pentyl) phosphorodithioic acid.5. The lubricant composition of claim 1 , wherein the O claim 1 ,O-di-hydrocarbyl phosphorodithioic acid is O claim 1 ,O′-di-n-hexylphosphorodithioic acid.6. The lubricant composition of claim 1 , wherein the epoxide is selected from the group consisting of: ethylene oxide claim 1 , propylene oxide claim 1 , styrene oxide claim 1 , ...

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02-01-2020 дата публикации

LUBRICATING OIL COMPOSITION

Номер: US20200002637A1
Принадлежит:

A lubricating oil composition is provided which comprises (a) greater than 50 wt. % of a base oil of lubricating viscosity; and (b) 0.1 to 20 wt. % of an alkyl-substituted hydroxyaromatic carboxylic acid, wherein the alkyl substituent of the alkyl-substituted hydroxyaromatic carboxylic acid has from 12 to 40 carbon atoms; wherein the lubricating oil composition is a monograde lubricating oil composition meeting specifications for SAE J300 revised January 2015 requirements for a SAE 20, 30, 40, 50, or 60 monograde engine oil, and has a TBN of 5 to 200 mg KOH/g, as determined by ASTM D2896. 1. A lubricating oil composition comprising (a) greater than 50 wt. % of a base oil of lubricating viscosity; and (b) 0.1 to 20 wt. % of an alkyl-substituted hydroxyaromatic carboxylic acid , wherein the alkyl substituent of the alkyl-substituted hydroxyaromatic carboxylic acid has from 12 to 40 carbon atoms; wherein the lubricating oil composition is a monograde lubricating oil composition meeting specifications for SAE J300 revised January 2015 requirements for a SAE 20 , 30 , 40 , 50 , or 60 monograde engine oil , and has a TBN of 5 to 200 mg KOH/g , as determined by ASTM D2896.2. The lubricating oil composition of claim 1 , wherein the alkyl substituent of the alkyl-substituted hydroxyaromatic carboxylic acid is a residue derived from an alpha-olefin having from 14 to 28 carbon atoms per molecule.3. The lubricating oil composition of claim 1 , wherein the alkyl substituent of the alkyl-substituted hydroxyaromatic carboxylic acid is a residue derived from an alpha-olefin having from 20 to 24 carbon atoms per molecule.4. The lubricating oil composition of claim 1 , wherein the alkyl substituent of the alkyl-substituted hydroxyaromatic carboxylic acid is a residue derived from an alpha-olefin having from 20 to 28 carbon atoms per molecule.5. A lubricating oil composition as in any one of claim 1 , claim 1 , and claim 1 , in which the alpha-olefin is a normal alpha-olefin claim 1 , ...

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02-01-2020 дата публикации

LUBRICATING OIL COMPOSITONS

Номер: US20200002638A1
Принадлежит:

Disclosed is a natural gas engine lubricating oil composition which comprises: (a) a major amount of an oil of lubricating viscosity having a kinematic, (b) greater than about 2 wt. % but less than about 4 wt. %, based on the total weight of the natural gas engine lubricating oil composition, of one or more phenolic antioxidants, (c) about 0.1 to about 1 wt. %, based on the total weight of the natural gas engine lubricating oil composition, of one or more aminic antioxidants, (d) one or more metal dithiophosphates, and (e) one or more alkali metal or alkali earth metal phenate detergents having a TBN of about 150 to about 250 on an oil free basis, wherein the one or more alkali metal or alkali earth metal phenate detergents provide at least about 0.10 wt. % of alkali metal or alkali earth metal to the natural gas engine lubricating oil composition. 1. A natural gas engine lubricating oil composition comprising:(a) a major amount of an oil of lubricating viscosity,(b) greater than about 2 wt. % but less than about 4 wt. %, based on the total weight of the natural gas engine lubricating oil composition, of one or more phenolic antioxidants,(c) about 0.1 wt. % to about 1 wt. %, based on the total weight of the natural gas engine lubricating oil composition, of one or more aminic antioxidants,(d) one or more metal dithiophosphates,(e) one or more alkali metal or alkali earth metal phenate detergents having a total base number (TBN) of about 150 to about 250 on an oil free basis, wherein the one or more alkali metal or alkali earth metal phenate detergents provide at least about 0.10 wt. % of alkali metal or alkali earth metal to the natural gas engine lubricating oil composition,2. The natural gas engine lubricating oil composition of claim 1 , having a TBN of about 5 to about 8 as determined by ASTM D 2896.3. The natural gas engine lubricating oil composition of claim 1 , having a TBN of about 6 to about 7 as determined by ASTM D 2896.4. The natural gas engine ...

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02-01-2020 дата публикации

POLYFLUORO LUBRICANT COMPOSITIONS

Номер: US20200002640A1
Принадлежит:

Provided herein is a lubricant comprising a compound of Formula I: 2. The polyfluoro lubricant composition of claim 1 , wherein A is —H.3. The polyfluoro lubricant composition of claim 1 , wherein A is —CHCH(OH)CHOH.4. The polyfluoro lubricant composition of claim 1 , wherein A is —CHCH(OH)CHOCHCH(OH)CHOH.5. The polyfluoro lubricant composition of claim 1 , wherein B is —H.6. The polyfluoro lubricant composition of claim 1 , wherein B is —CHCH(OH)CHOH.7. The polyfluoro lubricant composition of claim 1 , wherein B is —CHCH(OH)CHOCHCH(OH)CHOH.8. The polyfluoro lubricant composition of claim 1 , wherein w is 0.9. The polyfluoro lubricant composition of claim 1 , wherein the number average molecular weight of the one or more compounds of Formula I is between about 300 Da to about 9000 Da.10. The polyfluoro lubricant composition of claim 9 , wherein the number average molecular weight of the one or more compound of Formula I is between about 900 Da to about 1800 Da.11. The polyfluoro lubricant composition of further comprising a liquid medium.12. The polyfluoro lubricant composition of claim 11 , wherein the liquid medium is a polyfluoroether (PFPE) polymer.13. The polyfluoro lubricant composition of claim 12 , wherein the polyfluoroether polymer is selected from: Zdol claim 12 , Z-DIAC claim 12 , Z-tetraol claim 12 , A20H claim 12 , AM2001 claim 12 , X1-P claim 12 ,Z-03 and D-4OH.14. An apparatus claim 1 , comprising: a substrate; a magnetic layer over the substrate for magnetic recording; a protective overcoat for protecting the magnetic layer; and a layer of lubricant over the protective overcoat comprising a composition of .15. A method of lubricating a media storage layer surface in an apparatus claim 1 , the method comprising the step of applying a lubricant composition of over a surface to be lubricated.16. The method of claim 1 , wherein the relative touchdown spacing of the polyfluoro lubricant composition of on a media storage layer is more than 2 Angstroms ...

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03-01-2019 дата публикации

MARINE DIESEL LUBRICANT OIL COMPOSITIONS HAVING IMPROVED LOW TEMPERATURE PERFORMANCE

Номер: US20190002783A1
Принадлежит:

A method for improving low temperature performance of a lubricant in a compression-ignited internal combustion engine is disclosed. The method comprises operating the engine with a monograde lubricating oil composition comprising (a) a major amount of a base oil of lubricating viscosity; and (b) a minor amount of an overbased alkaline earth metal salt of an alkyl-substituted hydroxyaromatic compound, the alkyl substituent being a residue derived from an isomerized alpha-olefin having from 12 to 40 carbon atoms per molecule. 1. A method for improving low temperature performance of a lubricant in a compression-ignited internal combustion engine , the method comprising operating the engine with a lubricating oil composition comprising (a) greater than 50 wt. % of a base oil of lubricating viscosity; and (b) 0.1 to 40 wt. % of an overbased alkaline earth metal salt of an alkyl-substituted hydroxyaromatic compound , wherein the alkyl substituent is a residue derived from an isomerized alpha-olefin having from 12 to 40 carbon atoms per molecule; wherein the lubricating oil composition is a monograde lubricating oil composition meeting specifications for SAE J300 revised January 2015 requirements for a SAE 20 , 30 , 40 , 50 , or 60 monograde engine oil , and has a TBN of 5 to 200 mg KOH/g , as determined by ASTM D2896.2. The method of claim 1 , wherein the alkyl-substituted hydroxyaromatic compound is an alkyl-substituted phenol claim 1 , an alkyl-substituted hydroxyaromatic carboxylic acid claim 1 , or a combination thereof.3. The method of claim 1 , wherein the isomerized alpha-olefin is an isomerized normal alpha-olefin.4. The method of claim 1 , wherein the alkyl substituent of the alkyl-substituted hydroxyaromatic compound is a residue derived from an alpha-olefin having from 14 to 28 carbon atoms per molecule.5. The method of claim 1 , wherein the alkyl substituent of the alkyl-substituted hydroxyaromatic compound is a residue derived from an alpha-olefin having from ...

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03-01-2019 дата публикации

LUBRICANT COMPOSITION COMPRISING BRANCHED DIESTERS AND VISCOSITY INDEX IMPROVER

Номер: US20190002785A1
Принадлежит: TOTAL MARKETING SERVICES

The invention refers to lubricant compositions comprising a specific diester together with a viscosity index improver. 2. Lubricant composition of claim 1 , wherein in the formula (I): n is 1;the total amount of carbon atoms being more than 15 and less than 40.3. Lubricant composition of claim 1 , wherein in the formula (I):R1 represents a linear or branched, saturated or unsaturated C5-C15 a Iky I group;R′ represents a linear or branched, saturated or unsaturated C3-C8 a Iky I group; R represents a linear or branched, saturated or unsaturated C1-C15 alkyl group.4. Lubricant composition according to claim 1 , wherein in the compound of formula (I) claim 1 ,R1 represents a saturated linear C5-C15 alkyl group, more preferably a saturated linear C5-C12 alkyl group; R′ represents a saturated linear C3-C8 alkyl group, more preferably a saturated linear C5-C8 alkyl group;R represents a saturated linear or branched C5-C15 alkyl group, more preferably a saturated linear or branched C5-C10 alkyl group.5. Lubricant composition according to claim 1 , wherein in the formula (I):R1 represents a saturated linear C5-C10 alkyl group, more preferably a saturated linear C5-C8 alkyl group;R′ represents a saturated linear C5-C8 alkyl group;R represents a saturated, linear or branched C5-C10 alkyl group, preferably a saturated linear C5-C10 alkyl group.7. Lubricant composition according to claim 1 , wherein in the formula (I):R1 represents a saturated linear or branched C5-C 5 alkyl group, more preferably a saturated linear C8-C12 alkyl group;R′ represents a saturated linear C5-C8 alkyl group;R represents a saturated, linear or branched C5-C10 alkyi group, preferably a saturated branched C5-C10 alkyl group.9. Lubricant composition according to claim 1 , wherein the viscosity index improver is a polymeric viscosity index improver claim 1 , preferably chosen among: polyacrylates and polymethacrylates claim 1 ,olefin homopolymers or copolymers, preferably ethylene/propylenestyrene ...

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03-01-2019 дата публикации

MARINE DIESEL LUBRICANT OIL COMPOSITIONS

Номер: US20190002788A1
Принадлежит:

A lubricating oil composition is provided which comprises (a) greater than 50 wt. % of a base oil of lubricating viscosity; and (b) 0.1 to 40 wt. % of an overbased alkaline earth metal alkyl-substituted hydroxyaromatic carboxylate having a TBN, on an actives basis, of at least 600 mg KOH/g, as determined by ASTM D 2896; wherein the lubricating oil composition is a monograde lubricating oil composition meeting specifications for SAE J300 revised January 2015 requirements for a SAE 20, 30, 40, 50, or 60 monograde engine oil, and has a TBN of 5 to 200 mg KOH/g, as determined by ASTM D2896. 1. A lubricating oil composition comprising (a) greater than 50 wt. % of a base oil of lubricating viscosity; and (b) 0.1 to 40 wt. % of an overbased alkaline earth metal alkyl-substituted hydroxyaromatic carboxylate having a TBN , on an actives basis , of at least 600 mg KOH/g , as determined by ASTM D2896; wherein the lubricating oil composition is a monograde lubricating oil composition meeting specifications for SAE J300 revised January 2015 requirements for a SAE 20 , 30 , 40 , 50 , or 60 monograde engine oil , and has a TBN of 5 to 200 mg KOH/g , as determined by ASTM D2896.2. The lubricating oil composition of claim 1 , wherein the alkyl substituent of the overbased alkaline earth metal alkyl-substituted hydroxyaromatic carboxylate has from 12 to 40 carbon atoms.3. The lubricating oil composition of claim 1 , wherein the alkyl substituent of the overbased alkaline earth metal alkyl-substituted hydroxyaromatic carboxylate is a residue derived from an alpha-olefin having from 14 to 28 carbon atoms per molecule.4. The lubricating oil composition of claim 1 , wherein the alkyl substituent of the overbased alkaline earth metal alkyl-substituted hydroxyaromatic carboxylate is a residue derived from an alpha-olefin having from 20 to 24 carbon atoms per molecule.5. The lubricating oil composition of claim 1 , wherein the alkyl substituent of the overbased alkaline earth metal alkyl- ...

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03-01-2019 дата публикации

Lubricating engine oil compositions containing detergent compounds

Номер: US20190002789A1

The present disclosure generally relates to a lubricating oil composition comprising an oil of lubricating viscosity, and an alkylhydroxybenzoate detergent compound.

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03-01-2019 дата публикации

BRANCHED DIESTERS FOR USE TO REDUCE THE FUEL CONSUMPTION OF AN ENGINE

Номер: US20190002790A1
Принадлежит: TOTAL MARKETING SERVICES

The invention refers to use of lubricant compositions comprising a specific diester and additives to reduce the fuel consumption of an engine. 2. Method according to claim 1 , wherein in the formula (I):n is 1;the total amount of carbon atoms being more than 15 and less than 40.3. Method according according to claim 1 , wherein in the formula (I) claim 1 ,R1 represents a linear or branched, saturated or unsaturated C5-C15 alkyl group;R′ represents a linear or branched, saturated or unsaturated C3-C8 alkyl group; R represents a linear or branched, saturated or unsaturated C1-C15 alkyl group.4. Method according according to claim 1 , wherein in the formula (I) claim 1 ,R1 represents a saturated linear C5-C15 alkyl group, more preferably a saturated linear C5-C12 alkyl group;R′ represents a saturated linear C3-C8 alkyl group, more preferably a saturated linear C5-C8 alkyl group;R represents a saturated linear or branched C5-C15 alkyl group, more preferably a saturated linear or branched C5-C10 alkyl group.5. Method according according to claim 1 , wherein in the formula (I) claim 1 ,R1 represents a saturated linear C5-C10 alkyl group, more preferably a saturated linear C5-C8 alkyl group;R′ represents a saturated linear C5-C8 alkyl group;R represents a saturated, linear or branched C5-C10 alkyl group, preferably a saturated linear C5-C10 alkyl group.7. Method according to claim 1 , wherein in the formula (I):R1 represents a saturated linear or branched C5-C15 alkyl group, more preferably a saturated linear C8-C12 alkyl group;R′ represents a saturated linear C5-C8 alkyl group;R represents a saturated, linear or branched C5-C10 alkyl group, preferably a saturated branched C5-C10 alkyl group.9. Method according to claim 1 , wherein the lubricant composition comprises from 0.1 to 50% claim 1 , preferably from 1 to 50% claim 1 , more preferably from 5 to 30% by weight based on the total weight of lubricant composition claim 1 , of a compound of formula (I).10. Method ...

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03-01-2019 дата публикации

REFRIGERATION OIL, AND COMPOSITION FOR USE IN REFRIGERATING MACHINE

Номер: US20190002792A1
Автор: Matsumoto Tomoya
Принадлежит: IDEMITSU KOSAN CO., LTD.

A refrigerator oil according to one embodiment of the present invention contains: a base oil containing an oxygen-containing organic compound; a polyphosphate ester compound; and a metal salt of an organic carboxylic acid having 6 to 60 carbon atoms. 1: A refrigerator oil , comprising:a base oil comprising an oxygen-containing organic compound;a polyphosphate ester compound; anda metal salt of an organic carboxylic acid having 6 to 60 carbon atoms.2: The refrigerator oil according to claim 1 , wherein a content of the polyphosphate ester compound is from 0.01 to 5.0% by mass based on the total amount of the refrigerator oil.3: The refrigerator oil according to claim 1 , wherein a content of the metal salt of an organic carboxylic acid is 1 ppm or more in terms of metal concentration based on the total amount of the refrigerator oil.4: The refrigerator oil according to claim 1 , wherein the oxygen-containing organic compound is at least one selected from the group consisting of a polyvinyl ether compound claim 1 , a polyoxyalkylene glycol compound claim 1 , a copolymer of a poly(oxy)alkylene glycol or a monoether thereof and a polyvinyl ether claim 1 , and a polyol ester compound.6: The refrigerator oil according to claim 5 , wherein in the general formula (1) Rcomprises an arylene group.9: The refrigerator oil according to claim 1 , wherein the metal salt of an organic carboxylic acid is an alkali metal salt of an organic carboxylic acid.10: The refrigerator oil according to claim 1 , wherein the metal salt of an organic carboxylic acid is a metal salt of an organic carboxylic acid having 16 to 20 carbon atoms.11: The refrigerator oil according to claim 1 , wherein the metal salt of an organic carboxylic acid is potassium oleate.12: A composition for a refrigerator claim 1 , the composition comprising a refrigerant and the refrigerator oil according to .13: The composition for a refrigerator according to claim 12 , wherein the refrigerant is at least one selected ...

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03-01-2019 дата публикации

LUBRICATING OIL COMPOSITION FOR INTERNAL COMBUSTION ENGINES

Номер: US20190002793A1
Принадлежит:

To provide a lubricating oil composition for internal combustion engines, which can realize low friction in both internal combustion engines equipped with a DLC and internal combustion engines not equipped with a DLC. [Solution] a lubricating oil composition for internal combustion engines, which is characterized in that the lubricating oil composition for internal combustion engines is a composition obtained by blending a molybdenum dithiocarbamate (MoDTC) and a polyalkylene glycol (PAG) in a base oil, the weight average molecular weight of the polyalkylene glycol is 2750-4500 and the content of the polyalkylene glycol is not less than 0.05 mass % and less than 10 mass % relative to the total mass of the composition. 1. A lubricating oil composition for internal combustion engines , which is characterized in that the lubricating oil composition for internal combustion engines is a composition obtained by blending a molybdenum dithiocarbamate (MoDTC) and a polyalkylene glycol (PAG) in a base oil , the weight average molecular weight of the polyalkylene glycol is 2750-4500 and the content of the polyalkylene glycol is not less than 0.05 mass % and less than 10 mass % relative to the total mass of the composition.2. The lubricating oil composition for internal combustion engines according to claim 1 , which can be used in both internal combustion engines equipped with a DLC and internal combustion engines not equipped with a DLC.3. The lubricating oil composition for internal combustion engines according to claim 1 , wherein the polyalkylene glycol is polypropylene glycol (PPG). The present invention relates to a lubricating oil composition for internal combustion engines, which contains prescribed components.Many lubricating oil compositions have been proposed in the past. For example, WO2005014763 proposes a lubricating oil that contains a lubricant base oil and a sulfur-containing molybdenum complex. Meanwhile, “Wear Analysis of DLC Coating in Oil Containing Mo-DTC ...

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03-01-2019 дата публикации

MINERAL BASE OIL, LUBRICANT COMPOSITION, INTERNAL COMBUSTION ENGINE, LUBRICATING METHOD OF INTERNAL COMBUSTION ENGINE

Номер: US20190002794A1
Принадлежит: IDEMITSU KOSAN CO., LTD.

Provided is a mineral base oil satisfying the following requirements (I) to (III): 1: A mineral base oil satisfying the following requirements (I) to (III):{'sup': 2', '2, 'Requirement (I): a kinematic viscosity at 100° C. is 2 mm/s or more and less than 7 mm/s;'}Requirement (II): a viscosity index is 100 or more; andRequirement (I): a temperature gradient Δ|η*| of complex viscosity between two temperature points −10° C. and −25° C. is 60 Pas/C or less as measured with a rotary rheometer under conditions at an angular velocity of 6.3 rad/s and a strain amount of 0.1 to 100%.2: The mineral base oil according to claim 1 , further satisfying the following requirement (IV):Requirement (IV): complex viscosity η* at −35° C. is 60,000 Pa·s or less as measured with a rotary rheometer under conditions at an angular velocity of 6.3 rad/s and a strain amount of 0.1%.3: The mineral base oil according to claim 1 , having a naphthene content (% C) of 10 to 30.4: The mineral base oil according to claim 1 , having a naphthene content (% C) of 15 to 30.5: The mineral base oil according to claim 1 , having an aromatic content (% C) of 0.1 or less and a sulfur content of less than 100 ppm by mass.6: A lubricating oil composition comprising a mineral base oil satisfying the following requirements (I) to (III) and an olefinic copolymer:{'sup': 2', '2, 'Requirement (I): a kinematic viscosity at 100° C. is 2 mm/s or more and less than 7 mm/s;'}Requirement (II): a viscosity index is 100 or more; andRequirement (III): a temperature gradient Δ|η*| of complex viscosity between two temperature points −10° C. and −25° C. is 60 Pa·s/° C. or less as measured with a rotary rheometer under conditions at an angular velocity of 6.3 rad/s and a strain amount of 0.1 to 100%.7: The lubricating oil composition according to claim 6 , wherein the content of the olefinic copolymer is from 0.01 to 15.0% by mass on the basis of the whole amount of the lubricating oil composition.8: The lubricating oil ...

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03-01-2019 дата публикации

MARINE DIESEL LUBRICANT OIL COMPOSITIONS

Номер: US20190002795A1
Принадлежит:

A lubricating oil composition is provided which comprises (a) greater than 50 wt. % of a base oil of lubricating viscosity; and (b) 0.1 to 40 wt. % of an overbased alkaline earth metal alkyl-substituted hydroxyaromatic carboxylate, wherein the alkyl substituent is a residue derived from an isomerized alpha-olefin having from 12 to 40 carbon atoms, and having a TBN, on an actives basis, of less than 600 mg KOH/g, as determined by ASTM D 2896; wherein the lubricating oil composition is a monograde lubricating oil composition meeting specifications for SAE J300 revised January 2015 requirements for a SAE 20, 30, 40, 50, or 60 monograde engine oil, and has a TBN of 5 to 200 mg KOH/g, as determined by ASTM D2896. 1. A lubricating oil composition comprising (a) greater than 50 wt. % of a base oil of lubricating viscosity; and (b) 0.1 to 40 wt. % of an overbased alkaline earth metal alkyl-substituted hydroxyaromatic carboxylate , wherein the alkyl substituent is a residue derived from an isomerized alpha-olefin having from 12 to 40 carbon atoms , and having from a TBN , on an actives basis , of less than 600 mg KOH/g , as determined by ASTM D2896; wherein the lubricating oil composition is a monograde lubricating oil composition meeting specifications for SAE J300 revised January 2015 requirements for a SAE 20 , 30 , 40 , 50 , or 60 monograde engine oil , and has a TBN of 5 to 200 mg KOH/g , as determined by ASTM D2896.2. The lubricating oil composition of claim 1 , wherein the alkyl substituent of the overbased alkaline earth metal alkyl-substituted hydroxyaromatic carboxylate is a residue derived from an isomerized alpha-olefin having from 14 to 28 carbon atoms per molecule.3. The lubricating oil composition of claim 1 , wherein the alkyl substituent of the overbased alkaline earth metal alkyl-substituted hydroxyaromatic carboxylate is a residue derived from an isomerized alpha-olefin having from 20 to 28 carbon atoms per molecule.4. The lubricating oil composition of ...

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03-01-2019 дата публикации

MENTHOL DETECTION ON TOBACCO

Номер: US20190003970A1
Автор: Cadieux, JR. Edmond J.
Принадлежит: Altria Client Services LLC

A method for detecting mentholated tobacco, comprising irradiating tobacco containing menthol and a fluorescent taggant with radiation and observing the tobacco for fluorescence from the taggant. A system and method for detecting and separating mentholated tobacco from non-mentholated tobacco within a product stream is also provided. 122.-. (canceled)23. A system for detecting and separating mentholated tobacco from non-mentholated tobacco within a product stream , the system comprising:a conveyor configured to transport a product stream;a first light source configured to supply infrared light to the product stream;a first detector configured to detect reflected infrared light from the product stream and generate a first signal based on the detected reflected infrared light; anda controller configured to determine that the product stream contains mentholated tobacco based on the first signal.24. The system of claim 23 , wherein the conveyor is a vibrating conveyor.25. The system of claim 23 , wherein the conveyor is an inclined conveyor.26. The system of claim 23 , wherein the first light source is a high intensity infrared light source.27. The system of claim 23 , wherein the first detector is a high speed near-infrared (NIR) spectrometer sensor.28. The system of claim 23 , further comprising:a second light source configured to supply light to the product stream;a second detector configured to detect reflected light from the product stream and generate a second signal based on the detected reflected light; and whereinthe controller is configured to determine that the product stream contains non-tobacco related material based on the second signal.29. The system of claim 28 , further comprising:a first mirror positioned to deflect the infrared light from the first light source onto the product stream; anda second mirror positioned to deflect the light from the second light source onto the product stream.30. The system of claim 28 , further comprising:a first mirror ...

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12-01-2017 дата публикации

COMPOSITIONS AND USES OF CIS-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE

Номер: US20170009116A1
Принадлежит:

This invention relates to compositions, methods and systems having utility in numerous applications, and in particular, uses for compositions containing the compound cis-1,1,1,4,4,4-hexafluoro-2-butene (Z-HFO-1336mzzm), which has the following structure: 1. A mixture comprising the compound cis-1 ,1 ,1 ,4 ,4 ,4-hexafluoro-2-butene and at least one additional compound selected from the group consisting of HFOs , HFCs , HFEs , CFCs , CO2 , olefins , organic acids , alcohols , hydrocarbons , ethers , aldehydes , ketones , and others such as methyl formate , formic acid , trans-1 ,2 dichloroethylene , carbon dioxide , cis-HFO-1234ze+HFO-1225yez; mixtures of these plus water; mixtures of these plus CO2; mixtures of these trans 1 ,2-dichloroethylene (DCE); mixtures of these plus methyl formate; mixtures with cis-HFO-1234ze+CO2; mixtures with cis-HFO-1234ze+HFO-1225yez+CO2; and mixtures with cis-HFO-1234ze+HFC-245fa.2. (canceled)2. The mixture of claim 1 , wherein the additional compound comprises one or more of the compounds selected from the group consisting of cis-HFO-1234ze; HFO-1234yf; HFO 1225ye(Z); HFO 1225ye(E); HFO1225yc; HFO-1233zd; HFC-1233xf; (CF3)2CFCH═CHF (E & Z); (CF3)2CFCH═CF2; CF3CHFC═CHF (E & Z); and (C2F5)(CF3)C═CH2.3. The mixture of claim 1 , wherein the additional compound comprises one or more of the compounds selected from the group consisting of HFC-245eb; HFC-245ca; HFC-227ea; HFC-236ea; HFC-236fa; HFC-134a; HFC-134; HFC-152a; HFC-32; HFC-125; HFC-143a; HFC-365mfc; HFC-161; and HFC-43-10mee.4. The mixture of claim 1 , wherein the additional compound comprises one or more of the compounds selected from the group consisting of CHF2-O—CHF2; CHF2-O—CH2F; CH2F—O—CH2F; CH2F—O—CH3; cyclo-CF2-CH2-CF2-O; cyclo-CF2-CF2-CH2-O; CHF2-O—CF2-CHF2; CF3-CF2-O—CH2F; CHF2-O—CHF—CF3; CHF2-O—CF2-CHF2; CH2F—O—CF2-CHF2; CF3-O—CF2-CH3; CHF2-CHF—O—CHF2; CF3-O—CHF—CH2F; CF3-CHF—O—CH2F; CF3-O—CH2-CHF2; CHF2-O—CH2-CF3; CH2F—CF2-O—CH2F; CHF2-O—CF2-CH3; CHF2-CF2-O—CH3; CH2F—O— ...

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12-01-2017 дата публикации

COMPOSITION COMPRISING PARAFFIN FRACTIONS OBTAINED FROM BIOLOGICAL RAW MATERIALS AND METHOD OF PRODUCING SAME

Номер: US20170009144A1
Принадлежит: Neste Oyj

A composition, including 40-50 wt-% C14 paraffins, based on the total weight of the composition, and 35-45 wt-% C15 paraffins, based on the total weight of the composition, wherein the C14 and C15 paraffins are produced from a biological raw material. 119-. (canceled)20. A composition , comprising:40-50 wt-% C14 isoparaffins, based on the total weight of the composition, and35-45 wt-% C15 isoparaffins, based on the total weight of the composition,wherein the C14 and C15 isoparaffins are produced from a biological raw material,wherein the total C14 and C15 isoparaffinic content of the composition is in a range from 80.36 wt-% to 95 wt-%, based on the total weight of the composition.21. The composition according to claim 20 , wherein the composition comprises 45-50 wt-% C14 isoparaffins claim 20 , and 40-45 wt-% C15 isoparaffins claim 20 , based on the total weight of the composition.22. The composition according to claim 20 , wherein the composition comprises less than 9 wt-% C13 and lighter paraffins and less than 7 wt-% C16 and heavier paraffins claim 20 , based on the total weight of the composition.23. The composition according to claim 20 , wherein the composition comprises less than 5 wt-% C13 and lighter paraffins and less than 3 wt-% C16 and heavier paraffins claim 20 , based on the total weight of the composition.24. The composition according to claim 20 , wherein the total isoparaffinic content of the composition is more than 93 wt-% claim 20 , based on the total weight of the composition.25. The composition according to claim 20 , wherein the total isoparaffinic content of the composition is more than 97 wt-% claim 20 , based on the total weight of the composition.26. The composition according to claim 20 , wherein the total aromatic hydrocarbon content of the composition is less than 1500 ppm weight basis.27. The composition according to claim 20 , wherein the total aromatic hydrocarbon content of the composition is less than 1300 ppm weight basis.28. The ...

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12-01-2017 дата публикации

BIO-BASED SYNTHETIC FLUIDS

Номер: US20170009148A1
Принадлежит:

A method is provided involving altering the viscosity of bio-derived paraffins to produce a paraffinic fluid, where the altering step includes chlorinating the bio-derived paraffins; the bio-derived paraffins include a hydrodeoxygenated product produced by hydrodeoxygenating a bio-based feed where the bio-based feed includes bio-derived fatty acids, fatty acid esters, or a combination thereof; the bio-derived paraffins include n-paraffins; and the n-paraffins have a biodegradability of at least 40% after about 23 days of exposure to microorganisms. Also provided are methods of protecting and/or cleaning a substance by applying the paraffinic fluid. 1. A method comprising altering the viscosity of bio-derived paraffins to produce a paraffinic fluid , whereinthe altering step comprises oligomerizing the bio-derived paraffins to produce an oligomerized product, wherein the oligomerized product has a kinematic viscosity of at least about 10 cSt at 40° C.;the paraffinic fluid comprises the oligomerized product;the bio-derived paraffins comprise a hydrodeoxygenated product produced by hydrodeoxygenating a bio-based feed where the bio-based feed comprises bio-derived fatty acids, fatty acid esters, or a combination thereof; and have a kinematic viscosity of less than about 10 cSt at 40° C.; and', 'have a biodegradability of at least about 40% after about 23 days of exposure to microorganisms., 'the bio-derived paraffins comprise n-paraffins where the n-paraffins'}2. The method of claim 1 , wherein the oligomerized product comprises less than about 1 wt % aromatics.3. The method of claim 1 , wherein the oligomerized product comprises less than about 0.1 wt % aromatics.4. The method of claim 1 , wherein the oligomerized product is free of benzene.5. The method of claim 1 , wherein the altering step comprises oligomerizing bio-derived paraffins within the C-Crange.6. The method of claim 1 , wherein oligomerizing bio-derived paraffins comprises contacting the bio-derived ...

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12-01-2017 дата публикации

COMPOSITION AND METHOD FOR PREVENTING OR REDUCING ENGINE KNOCK AND PRE-IGNITION IN HIGH COMPRESSION SPARK IGNITION ENGINES

Номер: US20170009169A1
Принадлежит:

A method for preventing or reducing engine knock or pre-ignition in a high compression spark ignition engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition that contains (i) a lubricating oil base stock comprising at least one ester including at least one group selected from the group consisting of Formula (1), Formula (2), and Formula (3): 2. The method of wherein the one ester is a polyol ester3. The method of wherein the one ester is a monoester or dibasic ester.4. The method of wherein the formulated oil is an ashless formulated oil.5. The method of wherein the formulated oil further includes at least one ashless antiwear additive selected from the group consisting of an amine phosphate claim 1 , a thiophosphate claim 1 , a dithiophosphate claim 1 , an amine salt of sulfurized phosphate claim 1 , an alkylated triphenylphosphorothionate claim 1 , and mixtures thereof.6. The method of wherein the formulated oil further comprises an aminic antioxidant.7. The method of wherein the formulated oil further comprises a polymeric aminic antioxidant.8. The method of wherein the at least one ester is present in an amount of from 1 to 99.8 weight percent claim 5 , based on the total weight of the formulated oil claim 5 , and the at least one ashless antiwear additive is present in an amount from 0.1 to 4 weight percent claim 5 , based on the total weight of the formulated oil.9. The method of wherein the lubricating oil further comprises one or more of a detergent claim 1 , dispersant claim 1 , viscosity index improver claim 1 , antioxidant claim 1 , pour point depressant claim 1 , corrosion inhibitor claim 1 , metal deactivator claim 1 , seal compatibility additive claim 1 , anti-foam agent claim 1 , inhibitor claim 1 , anti-rust additive claim 1 , and friction modifier.10. The method of wherein the detergent is an ashless nonionic detergent.11. The method of wherein the high compression spark ...

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12-01-2017 дата публикации

Working Fluid Composition for Refrigerator and Refrigeration Oil

Номер: US20170009170A1
Принадлежит: JX Nippon Oil and Energy Corp

Disclosed is a working fluid composition for a refrigerating machine, comprising a refrigerating machine oil comprising an ester of a polyhydric alcohol and a fatty acid, a carbodiimide compound, and a phosphorous compound, and at least one refrigerant selected from 1, 1, 1,2-tetrafluoroethane and 2,3,3,3-tetrafluoropropene, the fatty acid comprises at least one selected from fatty acids having 4 to 9 carbon atoms, and the carbodiimide compound and the phosphorus compound satisfy the conditions represented by the formula (1): 0.11 ≦ ( N C M C · W C ) ( N P M P · W P ) ≦ 4.70 ( 1 ) wherein, N c represents the number of carbodiimide groups per molecule of the carbodiimide compound, M c represents the molecular weight of the carbodiimide compound, W c represents the content of the carbodiimide compound, N p represents the number of phosphorus atoms per molecule of the phosphorus compound, M p represents the molecular weight of the phosphorus compound, and W p represents the content of the phosphorus compound.

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12-01-2017 дата публикации

INDUSTRIAL LUBRICANT INCLUDING METAL CHALCOGENIDE PARTICLES AND PHOSPHORUS-BASED ADDITIVE

Номер: US20170009171A1
Принадлежит:

An industrial lubricant composition including an oil base selected from the group consisting of vegetable oil, Group I, Group II, Group III, Group IV, Group V and combinations thereof and a phosphorus-based non-chlorine additive. The industrial lubricant also includes at least one intercalation compound of a metal chalcogenide, a carbon containing compound and a boron containing compound, wherein the intercalation compound may have a geometry that is a platelet shaped geometry, a spherical shaped geometry, a multi-layered fullerene-like geometry, a tubular-like geometry or a combination thereof. 1. An industrial lubricant composition comprising:an oil base selected from the group consisting of vegetable oil, Group I type oil, Group II type oil, Group III type oil, Group IV type oil, Group V type oil and combinations thereof;a phosphorus-based non-chlorine additive; andat least one intercalation compound of a metal chalcogenide, a carbon containing compound and a boron containing compound, wherein the intercalation compound may have a geometry that is a platelet shaped geometry, a spherical shaped geometry, a multi-layered fullerene-like geometry, a tubular-like geometry or a combination thereof.2. The composition of claim 1 , wherein the vegetable oil is an oil selected from the group consisting of canola oil claim 1 , coconut oil claim 1 , corn oil claim 1 , cottonseed oil claim 1 , olive oil claim 1 , palm oil claim 1 , peanut oil rapeseed oil claim 1 , safflower oil claim 1 , sesame oil claim 1 , soybean oil claim 1 , sunflower oil claim 1 , almond oil claim 1 , beech nut oil claim 1 , cashew oil claim 1 , hazelnut oil claim 1 , macadamia oil claim 1 , mongongo nut oil claim 1 , pecan oil claim 1 , pine nut oil claim 1 , pistachio oil claim 1 , walnut oil claim 1 , grapefruit seed oil claim 1 , lemon oil claim 1 , orange oil claim 1 , watermelon seed oil claim 1 , bitter gourd oil claim 1 , bottle gourd oil claim 1 , buffalo gourd oil claim 1 , butternut squash ...

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12-01-2017 дата публикации

Dialkyl Carbonates, Methods for Their Production and Use

Номер: US20170009173A1
Автор: Zhao Haibo
Принадлежит:

The present disclosure provides a dialkyl carbonate prepared from a methyl branched primary C-Calcohol. The dialkyl carbonate is prepared by transesterifying a reactant dialkyl carbonate with the methyl branched primary C-Calcohol under transesterification reaction conditions. The subsequently produced dialkyl carbonate may be used in various applications, including, but not limited to, in lubricating, cosmetic and textile products and applications. 2. The dialkyl carbonate of wherein Ris a methyl branched C-Calkyl group.3. The dialkyl carbonate of wherein Ris an alkyl group having 1 to 10 carbon atoms.4. The dialkyl carbonate of wherein Ris an alkyl group having 1 to 4 carbon atoms.5. The dialkyl carbonate of wherein Ris a methyl or ethyl group.6. The dialkyl carbonate of wherein Ris an aralkyl group having 6 to 10 carbon atoms.8. The process according to wherein Ris a lower alkyl group having 1 to 4 carbon atoms.9. The process according to wherein Ris methyl.13. The lubricant composition of further comprising at least one base oil.14. The lubricant composition of further comprising one or more additives comprising a dispersant claim 13 , a detergent claim 13 , a corrosion/rust inhibitor claim 13 , an antioxidant claim 13 , an anti-wear agent claim 13 , an anti-foamant claim 13 , a friction modifier claim 13 , a seal swell agent claim 13 , an emulsifiers claim 13 , a VI improver or a pour point depressant. The present disclosure is directed to dialkyl carbonates, methods for their production and their use in various applications, for example, in lubricating compositions.Because of their physical and chemical properties and performance characteristics, dialkyl carbonates have been used in various applications, such as in lubricant base fluids and as performance fluid components. Several methods for producing dialkyl carbonates have been generally described by Leslie Rudnick in “Synthetics, Mineral Oils, and Bio-Based Lubricants: Chemistry and Technology, Second ...

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12-01-2017 дата публикации

VISCOSITY INDEX IMPROVER AND LUBRICATING OIL COMPOSITION

Номер: US20170009177A1
Принадлежит: SANYO CHEMICAL INDUSTRIES, LTD.

The present invention aims to provide a viscosity index improver excellent in shear stability and having a low HTHS viscosity and a high viscosity index. The viscosity index improver of the present invention contains a (co)polymer (A) containing a polyolefin-based monomer as an essential monomer unit, and a base oil, wherein the absolute value of difference in solubility parameter between the (co)polymer (A) and the base oil is 0.8 to 2.0 (cal/cm). 1. A viscosity index improver comprising:a (co)polymer (A) containing a polyolefin-based monomer as an essential monomer unit; anda base oil,{'sup': 3', '1/2, 'wherein the absolute value of the difference in solubility parameter between the (co)polymer (A) and the base oil is 0.8 to 2.0 (cal/cm).'}2. The viscosity index improver according to claim 1 ,{'sup': 3', '1/2, 'wherein the solubility parameter of the base oil is 7.8 to 9.5 (cal/cm).'}4. The viscosity index improver according to claim 3 ,wherein the hydrocarbon polymer containing at least one of isobutylene or 1,2-butylene as an essential structural unit in the formula (1) is a polymer in which the total number of isobutylene and 1,2-butylene based on the total number of structural units is 30 mol % or more.6. The viscosity index improver according to claim 5 ,wherein the (co)polymer (A) is the copolymer containing, as monomer units, 1 to 50% by weight of the monomer (a) and 1 to 80% by weight of the monomer (b) based on the weight of the (co)polymer (A), with the total amount of the monomers (a) and (b) being 10% by weight or more.7. The viscosity index improver according to claim 5 ,wherein the (co)polymer (A) is the copolymer further containing, as a monomer unit, at least one of an alkyl (meth)acrylate (c) having a C1-C4 alkyl group or an alkyl (meth)acrylate (d) having a C12-C36 linear alkyl group.9. The viscosity index improver according to claim 8 ,wherein the (co)polymer (A) is the copolymer containing, as monomer units, 5 to 40% by weight of the monomer (a ...

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12-01-2017 дата публикации

Engine oil composition

Номер: US20170009178A1
Автор: Atsushi Akamatsu
Принадлежит: Cosmo Oil Lubricants Co Ltd

An engine oil composition includes a star polymer (A) and a poly(alkyl (meth)acrylate) (B) as a viscosity index improver, and has a viscosity index of 185 to 230, the star polymer (A) having a star structure and having a weight average molecular weight of 100,000 to 1,000,000, the star structure being a structure in which polymer chains branch from a center of the polymer, the polymer chains being obtained by copolymerization and hydrogenation of an aromatic vinyl compound monomer and a conjugated diene monomer, the poly(alkyl (meth)acrylate) (B) having a weight average molecular weight of 200,000 to 600,000, the content (M A ) of the star polymer (A) in the engine oil composition being 0.10 to 2.00 mass % based on the total mass of the engine oil composition, the content (M B ) of the poly(alkyl (meth)acrylate) (B) in the engine oil composition being 0.50 to 6.00 mass % based on the total mass of the engine oil composition, and the ratio “M A /M B ” being 0.10 to 1.00. The engine oil composition can significantly improve fuel efficiency, and is suitably used for a diesel engine.

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12-01-2017 дата публикации

COMPOSITION AND METHOD FOR PREVENTING OR REDUCING ENGINE KNOCK AND PRE-IGNITION IN HIGH COMPRESSION SPARK IGNITION ENGINES

Номер: US20170009179A1
Принадлежит:

A method for preventing or reducing engine knock or pre-ignition in a high compression spark ignition engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition that contains (i) a lubricating oil base stock comprising at least one branched ester having at least about 15% of the total carbons in the form of methyl groups, and (ii) at least one ashless antiwear additive selected from a phosphorus-containing ashless antiwear additive, a sulfur-containing ashless antiwear additive, and a phosphorus/sulfur-containing ashless antiwear additive. A lubricating engine oil having a composition that contains (i) a lubricating oil base stock comprising at least one branched ester having at least about 15% of the total carbons in the form of methyl groups, and (ii) at least one ashless antiwear additive selected from a phosphorus-containing ashless antiwear additive, a sulfur-containing ashless antiwear additive, and a phosphorus/sulfur-containing ashless antiwear additive. The lubricating oils of this disclosure are useful as passenger vehicle engine oil (PVEO) products. 1. A method for preventing or reducing engine knock or pre-ignition in a high compression spark ignition engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil , said formulated oil having a composition comprising (i) a lubricating oil base stock comprising at least one branched ester having at least 15% of the total carbons in the form of methyl groups , and (ii) at least one ashless antiwear additive selected from the group consisting of a phosphorus-containing ashless antiwear additive , a sulfur-containing ashless antiwear additive , and a phosphorus/sulfur-containing ashless antiwear additive.2. The method of wherein the formulated oil is an ashless formulated oil.3. The method of wherein the lubricating oil base stock comprises at least one branched polyol ester having at least 30% of the total carbons ...

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12-01-2017 дата публикации

LUBRICATING COMPOSITION

Номер: US20170009180A1
Принадлежит:

Lubricating composition for use in the crankcase of an engine comprising: (i) a base oil comprising at least one monoester or a mixture of monoesters, wherein said monoester or mixture of monoesters has a kinematic viscosity at 100° C. of not more than 4 mm/s, a viscosity index of at least 130 and a Noack evaporation loss of not more than 20 wt %; and (ii) a polymeric viscosity index improvers selected from (a) one or more comb polymers; (b) a poly(meth)acrylate polymer having 1 to 70 mol % of one or more (meth)acrylate structural units represented by formula (1) below (1) wherein Ris a hydrogen atom or a methyl group, and Ris a straight chain or branched hydrocarbon group having not less than 16 carbon atoms; (c) styrene-diene hydrogenated copolymers; and (d) mixtures thereof. The lubricating composition of the present invention provides improved fuel economy properties. 2. A lubricating composition according to wherein said monoester or mixtures of monoesters has a kinematic viscosity at 100° C. of not more than 3.3 mm/s.3. A lubricating composition according to wherein said monoester or mixtures of monoesters has a Noack evaporation loss of not more than 15 wt %.4. A lubricating composition according to wherein the at least one monoester or mixture of monoesters is present at a total level of at least 10 wt % claim 1 , by weight of the lubricating composition.5. A lubricating composition according to wherein the at least one monoester or mixture of monoesters is present at a total level of at most 75 wt % claim 1 , by weight of the lubricating composition.6. A lubricating composition according to wherein the polymeric viscosity index improver is a comb polymer.7. A lubricating composition according to wherein the polymeric viscosity index improver is present in a solid polymer amount of from 0.1 wt % to 7 wt % claim 1 , by weight of the lubricating composition.8. A lubricating composition according to wherein said at least one monoester or mixture of said ...

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11-01-2018 дата публикации

FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM

Номер: US20180009773A1
Принадлежит: SHOWA DENKO K.K.

This fluorine-containing ether compound is represented by Formula (1). 1. A fluorine-containing ether compound represented by Formula (1) ,{'br': None, 'sup': 1', '2', '3', '4', '5, 'sub': 2', '2, 'R—R—CH—R—CH—R—R\u2003\u2003(1)'}{'sup': 1', '2', '3', '4', '5, '(in Formula (1), Ris an aryl group or an aralkyl group, Ris a divalent linking group having 0 or 1 polar group, Ris a perfluoropolyether chain, Ris a divalent linking group having 2 or 3 polar groups, and Ris an aryl group or an aralkyl group.)'}2. The fluorine-containing ether compound according to claim 1 ,{'sup': 2', '4, 'wherein at least one of the polar groups in the polar groups included in Rand Rof Formula (1) is a hydroxyl group.'}3. The fluorine-containing ether compound according to claim 1 ,{'sup': 2', '4, 'wherein the polar groups included in Rand Rof Formula (1) are all hydroxyl groups.'}6. The fluorine-containing ether compound according to claim 1 ,{'sup': '1', 'wherein Rin Formula (1) is any one selected from a benzene ring group which may have a substituent, a naphthalene ring group which may have a substituent, a benzyl group which may have a substituent, or a naphthylmethyl group which may have a substituent.'}8. The fluorine-containing ether compound according to claim 1 ,{'sup': 4', '5, 'sub': 2', '2', 'z, 'wherein Rin Formula (1) has —(CH—CH—O)—O— (z in the formula represents an integer of 1 to 3) at an end on the Rside.'}9. The fluorine-containing ether compound according to claim 1 ,{'sup': '5', 'wherein Rin Formula (1) is any one selected from a benzene ring group which may have a substituent, a naphthalene ring group which may have a substituent, a benzyl group which may have a substituent, or a naphthylmethyl group which may have a substituent.'}13. The fluorine-containing ether compound according to claim 1 ,wherein a number-average molecular weight is in a range of 500 to 10,000.14. A lubricant for a magnetic recording medium claim 1 , comprising:{'claim-ref': {'@idref': 'CLM- ...

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11-01-2018 дата публикации

LOW-FRICTION MEMBER IMITATING SHARK SKIN AND MANUFACTURING METHOD THEREFOR

Номер: US20180010059A1
Принадлежит:

The present invention relates to a low-friction member imitating shark skin and a manufacturing method therefor, the low-friction member implementing a structure similar to shark skin and having riblets by stacking, in layers, composite particles formed by attaching spherical particles on the surfaces of plate-shaped particles, and thus the low-friction member has excellent low-friction characteristics. The present invention comprises: a base plate; plate-shaped particles stacked in layers on the surface of the base plate in the form of scales; and a plurality of spherical metal lubricating particles having a size smaller than that of the plate-shaped particles, and coated on the surfaces of the plate-shaped particles, wherein the metal lubricating particles are arranged in the form of a bridge connecting the base plate and the plate-shaped particles, and the plate-shaped particles to each other. 1. A low-friction member comprising:a substrate; anda lubricating layer constituted by plate-shaped particles which are stacked in layers on the surface of the substrate in the form of scales and multiple spherical metal lubricating particles having a smaller nano size than the plate-shaped particles and coated on the surfaces of the plate-shaped particles,wherein the spherical metal lubricating particles are disposed in a form of multiple bridges connecting the substrate and the plate-shaped particles and connecting the plate-shaped particles in the lubricating layer.2. The low-friction member of claim 1 , wherein before the plate-shaped particles are stacked on the substrate claim 1 , the metal lubricating particles are coated on the surfaces of the plate-shaped particles to form composite particles and thereafter claim 1 , stacked on the surface of the substrate in a form of the composite particles.3. The low-friction member of claim 2 , wherein the plate-shaped particles are graphene.4. The low-friction member of claim 2 , wherein the plate-shaped particles are made of ...

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11-01-2018 дата публикации

Use of a Hydrocarbyl-Substituted Salicylic Acid Detergent as an Inhibitor of Lead Corrosion

Номер: US20180010062A1
Принадлежит:

This invention relates to the use of a metallic or non-metallic detergent which is a hydrocarbyl-substituted salicylic acid or a derivative thereof in a non-aqueous lubricant composition as an inhibitor of lead corrosion associated with ashless, organic ester, anti-wear additives and/or friction modifiers. 114-. (canceled)15. A method of improving anti-corrosion properties of a non-aqueous lubricant composition comprising admixing the non-aqueous lubricant composition with a metallic or non-metallic detergent which is a hydrocarbyl-substituted salicylic acid or a derivative thereof.16. The method of claim 15 , wherein the non-aqueous lubricant composition is used to lubricate an internal combustion engine.17. The method of claim 15 , wherein the non-aqueous lubricant composition comprises an ashless claim 15 , organic ester claim 15 , anti-wear additive and/or friction modifier.18. The method of claim 16 , wherein an ashless claim 16 , organic ester claim 16 , anti-wear additive and/or friction modifier is provided in a liquid fuel composition used to operate the internal combustion engine claim 16 , and a portion of said ashless claim 16 , organic ester claim 16 , anti-wear and/or friction modifier ingresses into the non-aqueous lubricant composition during operation of said engine.19. The method of claim 15 , wherein the hydrocarbyl-substituted salicylic acid or a derivative thereof is a metallic hydrocarbyl substituted salicylic acid or a derivative thereof.20. The method of claim 19 , wherein the metal salt is selected from the group consisting of calcium claim 19 , magnesium claim 19 , sodium and combinations thereof.21. The method of claim 15 , wherein the metallic or non-metallic detergent is a sulphurised derivative of a hydrocarbyl-substituted salicylic acid.22. The method of wherein the ashless claim 15 , organic ester claim 15 , anti-wear additive and/or friction modifier isi) at least one fatty acid ester of a polyol,ii) at least one oil-soluble mono, di ...

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10-01-2019 дата публикации

Use of rare earth complexes as markers of petroleum products, crude oils, biofuels or lubricants

Номер: US20190010413A1

The use, as markers of petroleum products, crude oils, biofuels or lubricants, of rare earth complexes or one of the constituents thereof chosen from rare earth ligands or salts, being capable of forming a rare earth complex after the addition of a developing solution. Preferably, the rare earth complex can be detected by time-resolved fluorescence. Also, a marking method and a method for detecting a rare earth complex as a marker of petroleum products, crude oils, biofuels or lubricants.

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10-01-2019 дата публикации

LUBRICANT COMPOSITION AND USES THEREOF

Номер: US20190010415A1
Принадлежит: VDV LUBRICANTS

A lubricant composition comprising one or several poly-alpha olefin homopolymer(s), a suspension of particles having a size between 0.5 μm and 25 μm and an additive, and uses thereof in the glass industry, such as in the production of hollow glasses for the packaging of products to be applied on mammals. 1. A synthetic oil-based lubricant composition comprising:at least 50 wt % of one or several poly-alpha olefin homopolymer(s),a suspension of particles having a size between 0.5 μm and 25 μm and an additive.2. The lubricant composition of claim 1 , wherein the one or several poly-alpha olefin homopolymer(s) has (have) a viscosity at 40° C. comprised between 5 and 500 cSt.3. The lubricant composition of claim 1 , wherein the homopolymer(s) represent(s) at least 50 wt % of the said composition and less than 80 wt %.4. The lubricant composition according to claim 1 , wherein the particles represent at least 1 wt % of the said lubricant composition.5. The lubricant composition according to claim 1 , wherein the particles are added in the form of a suspension in a non-aqueous medium claim 1 , possibly a mineral oil claim 1 , preferably a poly-alpha olefin.6. The lubricant composition of claim 4 , wherein the additive(s) represent(s) the remaining part of the lubricant composition claim 4 , preferably wherein the said additives are anti-oxidant and/or dispersion agents and/or thickener.7. The lubricant composition of claim 5 , wherein the additive(s) represent(s) the remaining part of the lubricant composition claim 5 , preferably wherein the said additives are anti-oxidant and/or dispersion agents and/or thickener claim 5 , and possibly the suspending medium of the particles.8. The lubricant composition according to claim 1 , wherein the homopolymer(s) comprise or consists essentially of polymer of 2-methyl-1 propene.9. The lubricant composition according to claim 1 , wherein the additive is selected from the group consisting of a sulfur-containing C-Cfatty acid ester of ...

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10-01-2019 дата публикации

LUBRICATING OIL COMPOSITION, LUBRICATING METHOD, AND TRANSMISSION

Номер: US20190010417A1
Автор: YANAGIHARA Takashi
Принадлежит: IDEMITSU KOSAN CO., LTD.

Provided are a lubricating oil composition having a high intermetallic friction coefficient and having excellent clutch anti-shudder performance of excellent initial clutch anti-shudder performance and a long clutch anti-shudder lifetime, and a lubrication method and a transmission using the lubricating oil composition. The lubricating oil composition contains an amide compound (A) having a specific structure, a metal-based detergent (B), and at least one phosphorus acid ester (C) selected from an acid phosphate ester and an acid phosphite ester; and the lubrication method and the transmission use the lubricating oil composition. 2. The lubricating oil composition according to claim 1 , wherein claim 1 , in all R's and R's contained in the amide compound claim 1 , a content of a dodecyl group is 30% by mass or more and 75% by mass or less claim 1 , and a content of a tetradecyl group is 5% by mass or more and 40% by mass or less.3. The lubricating oil composition according to claim 1 , wherein:{'sup': 1', '2, 'Rand Rcontained in the amide compound (A) comprise a dodecyl group, a tetradecyl group and at least one selected from the group consisting of an octyl group, a decyl group, a hexadecyl group, an octadecyl group and an octadecenyl group, and,'}{'sup': 1', '2, "in all R's and R's contained in the amide compound, a content of the dodecyl group is 30% by mass or more 75% and by mass or less, a content of the tetradacyl group is 5% mass or more and 40% by mass or less, and a content of the at least one selected from the group consisting of the octyl group, the decyl group, the hexadecyl group, the octadecyl group and the octadecenyl group is 1% by mass or more and 20% by mass or less."}4. The lubricating oil composition according to claim 1 , wherein:{'sup': 1', '2, 'Rand Reach are an alkyl group having 6 or more and 24 or less carbon atoms;'}{'sup': '3', 'Ris a hydroxyalkyl group having 1 or more and 2 or less carbon atoms; and'}X is an oxygen atom.5. The ...

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10-01-2019 дата публикации

LONG DURATION FUEL ECONOMY LUBRICATING COMPOSITION

Номер: US20190010418A1
Принадлежит:

In the field of lubricating compositions, in particular to the Fuel Economy (FE) properties of lubricating compositions, there is disclosed the combined use of at least one derivative of molybdenum and at least one derivative of boron to maintain the Fuel Economy (FE) properties of a lubricating composition also including at least one base oil. Also disclosed is a use, within a lubricating composition including at least one base oil, of a combination of at least one derivative of molybdenum and at least one derivative of boron, and at least 30 ppm and at most 600 ppm of born boron relative to the weight of the lubricating composition to preserve the Fuel Economy (FE) properties of this lubricating composition. 113-. (canceled)14. Method for preserving the Fuel Economy (FE) properties of a lubricating composition comprising at least one base oil , comprising the addition to the lubricating composition of at least one derivative of molybdenum and at least one derivative of boron , the final lubricating composition comprising at least 30 ppm or at most 600 ppm of boron relative to the weight of the lubricating composition.15. The method according to claim 14 , wherein the Fuel Economy properties are measured:in accordance with Sequence VI-D conditions implemented as per standard ASTM D7589; orin accordance with the Plint SRV test; orin accordance with VI-D test conditions implemented as per standard ASTM D7589 and in accordance with the Plint SRV test.16. The method according to claim 14 , wherein the preserving of Fuel Economy properties is measured on the used lubricating composition in comparison with the fresh lubricating composition.17. The method according to claim 14 , wherein the preserving of Fuel Economy properties is measured on the used composition.18. The method according to claim 14 , wherein the preserving of Fuel Economy properties is higher than 25%.19. The method according to claim 14 , wherein the derivative of molybdenum is an organo-molybdenum ...

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11-01-2018 дата публикации

GREASE, ANTIFRICTION BEARING, ANTIFRICTION BEARING DEVICE, AND INFORMATION RECORDING/REPRODUCING DEVICE

Номер: US20180010642A1
Принадлежит:

The invention has an object of providing grease reduced in an amount of the flying grease and an amount of the outgas, and superior in low-temperature characteristic, an antifriction bearing using the grease, an antifriction bearing device, and an information recording/reproducing device. A grease includes a base oil, and a thickener, the base oil includes mineral oil and poly-α-olefin, the poly-α-olefin is higher in mass than the mineral oil, the poly-α-olefin includes poly-α-olefin higher in kinetic viscosity than the mineral oil, the kinetic viscosity of the base oil at 40° C. is in a range of 40 through 90 mm/s, and worked penetration is in a range of 200 through 250. Further, an antifriction bearing, an antifriction bearing device, and an information recording/reproducing device use the grease. 1. A grease comprising:a base oil; anda thickener,wherein the base oil includes mineral oil and poly-α-olefin,the poly-α-olefin is higher in mass than the mineral oil,the poly-α-olefin includes poly-α-olefin higher in kinetic viscosity than the mineral oil,{'sup': '2', 'the kinetic viscosity of the base oil at 40° C. is in a range of 40 through 90 mm/s, and'}worked penetration is in a range of 200 through 250.2. The grease according to claim 1 , whereina proportion of the mass of the mineral oil to a gross mass of the base oil is in a range of 10 through 40 mass %.3. The grease according to claim 2 , whereinthe mineral oil includes refined oil classified into group III in a base oil category defined by American Petroleum Institute.4. The grease according claim 1 , whereinthe mineral oil includes refined oil classified into group III in a base oil category defined by American Petroleum Institute.5. The grease according to claim 1 , whereinthe poly-α-olefin higher in kinetic viscosity than the mineral oil includes a mixture of a multimeric complex of α-olefin with a carbon number in a range of 0.8 through 12.6. The grease according to claim 1 , whereinthe poly-α-olefin ...

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09-01-2020 дата публикации

MAGNETIC RECORDING MEDIUM, FLUORINE-CONTAINING ETHER COMPOUND AND LUBRICANT FOR MAGNETIC RECORDING MEDIUM

Номер: US20200010619A1
Принадлежит: SHOWA DENKO K.K.

A fluorine-containing ether compound of the present invention is represented by the following General Formula (1). (In the General Formula (1), X is a trivalent atom or a trivalent atom group, A is a linking group including at least one polar group, B is a linking group having a perfluoropolyether chain, and D is a polar group or a substituent having a polar group at the end.) 1. A fluorine-containing ether compound represented by the following General Formula (1):{'br': None, '[Chem. 1]'}{'br': None, 'sub': '3', 'X\ue8a0A-B-D)\u2003\u2003(1)'}(in the General Formula (1), X is a trivalent atom or a trivalent atom group, A is a linking group including at least one polar group, B is a linking group having a perfluoropolyether chain, and D is a polar group or a substituent having a polar group at the end).2. The fluorine-containing ether compound according to claim 1 , wherein X in the General Formula (1) is a hydrocarbon.3. The fluorine-containing ether compound according to claim 1 , wherein X in the General Formula (1) is an aliphatic ring.4. The fluorine-containing ether compound according to claim 1 , wherein X in the General Formula (1) is an aromatic ring.5. The fluorine-containing ether compound according to claim 1 , wherein X in the General Formula (1) is a heterocyclic ring.6. The fluorine-containing ether compound according to claim 1 ,wherein X in the General Formula (1) is a trivalent atom group having a tetrahedron structure including a carbon atom at the center or a trivalent atom group having a cyclic planar structure at the center.7. The fluorine-containing ether compound according to claim 1 ,wherein A in the General Formula (1) is a linking group including at least one hydroxyl group.12. The fluorine-containing ether compound according to claim 1 ,wherein the number-average molecular weight is in a range of 1,000 to 10,000.13. A lubricant for a magnetic recording medium comprising the fluorine-containing ether compound according to .14. A magnetic ...

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09-01-2020 дата публикации

LUBRICANT BASESTOCK PRODUCTION WITH ENHANCED AROMATIC SATURATION

Номер: US20200010772A1
Принадлежит:

Systems and methods are provided for producing lubricant basestocks having a reduced or minimized aromatics content. A first processing stage can perform an initial amount of hydrotreating and/or hydrocracking. A first separation stage can then be used to remove fuels boiling range (and lower boiling range) compounds. The remaining lubricant boiling range fraction can then be exposed under hydrocracking conditions to a USY catalyst including a supported noble metal, such as Pt and/or Pd. The USY catalyst can have a desirable combination of catalyst properties, such as a unit cell size of 24.30 or less (or 24.24 or less), a silica to alumina ratio of at least 50 (or at least 80), and an alpha value of 20 or less (or 10 or less). In some aspects, the effluent from the second (hydrocracking) stage can be dewaxed without further separation. In such aspects, a portion of the dewaxed effluent can be used as a recycle quench stream to cool the hydrocracking effluent prior to entering the dewaxing reactor. 113.-. (canceled)14. A system for producing a lubricant boiling range product , comprising:a hydrotreating reactor comprising a hydrotreating feed inlet, a hydrotreating effluent outlet, and at least one fixed catalyst bed comprising a hydrotreating catalyst;a separation stage having a first separation stage inlet and a second separation stage inlet, the first separation stage inlet being in fluid communication with the hydrotreating effluent outlet, the separation stage further comprising a plurality of separation stage liquid effluent outlets, one or more of the separation stage liquid effluent outlets corresponding to product outlets;a hydrocracking reactor comprising a hydrocracking feed inlet, a hydrocracking effluent outlet, and at least one fixed catalyst bed comprising a hydrocracking catalyst, the hydrocracking feed inlet being in fluid communication with at least one separation stage liquid effluent outlet, and the hydrocracking catalyst comprising USY zeolite ...

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09-01-2020 дата публикации

AZAPHENOTHIAZINES AND AZAPHENOXAZINES AS ANTIOXIDANTS

Номер: US20200010776A1
Принадлежит:

The present disclosure relates generally to antioxidants. More particularly, the present disclosure relates to lubricating compositions comprising an antioxidant. 2. The compound of claim 1 , where said electron donating group is an H atom claim 1 , a hydrocarbon group claim 1 , an aryl group claim 1 , an alkyl group claim 1 , an alkoxy group claim 1 , an amine group claim 1 , a monosubstituted amine claim 1 , or a disubstituted amine.13. A lubricant composition claim 1 , comprising:{'claim-ref': [{'@idref': 'CLM-00001', 'claims 1'}, {'@idref': 'CLM-00012', '12'}], 'an oil of lubricating viscosity, and a compound of any one of to .'}14. The lubricant of claim 13 , wherein said oil of lubricating viscosity comprises a natural oil claim 13 , a synthetic oil claim 13 , or a mixture of a natural oil and a synthetic oil.15. The lubricant of claim 13 , where said oil of lubricating viscosity comprises an API base oil of Group I claim 13 , Group II claim 13 , Group III claim 13 , Group IV claim 13 , or Group V.16. The lubricant of any one of to claim 13 , further comprising an additive.17. The lubricant of claim 16 , wherein said additive comprises one or more of a metal deactivator claim 16 , a detergent claim 16 , a friction modifier claim 16 , an antiwear agent claim 16 , a rust inhibitor claim 16 , a dispersant claim 16 , a viscosity index improver claim 16 , an extreme pressure agent claim 16 , an additional antioxidant claim 16 , a foam inhibitors claim 16 , a pour point depressant claim 16 , a seal swelling agent.18. Use of a lubricant composition according to any one of to as a lubricant for a combustion engine.19. A method of forming a lubricant composition claim 16 , comprising: combining an oil of lubricating viscosity claim 16 , providing with an antioxidant according to any one of to .20. The method of claim 19 , wherein said oil of lubricating viscosity comprises a natural oil claim 19 , a synthetic oil claim 19 , or a mixture of a natural oil and a synthetic ...

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09-01-2020 дата публикации

COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM

Номер: US20200010777A1
Принадлежит:

To provide a composition for a heat cycle system with which a HCFO or a CFO can more stably lubricate, and a heat cycle system employing the composition. A composition for a heat cycle system comprising a working fluid for heat cycle containing at least one compound selected from predetermined HCFO and CFO, and a mixed refrigeration oil obtained by mixing a naphthenic mineral oil and other predetermined refrigeration oil, wherein the mixed refrigeration oil has a kinematic viscosity at 40° C. of 300 mm/s or lower, a mixed composition 1 of the working fluid for heat cycle and the mixed refrigeration oil at a concentration of the working fluid for heat cycle of 10 mass % has a viscosity at 60° C. of 10 mPas or higher, and a mixed composition 2 of the working fluid for a heat cycle system and the mixed refrigeration oil at a concentration of the mixed refrigeration oil of 5 mass % has a two phase separation temperature of 0° C. or lower, and a heat cycle system, which employs the composition for a heat cycle system. 2. The composition for a heat cycle system according to claim 1 , wherein the mixed refrigeration oil contains a naphthenic mineral oil and at least one member selected from a paraffinic mineral oil claim 1 , an olefin polymer and a polyol ester refrigeration oil.3. The composition for a heat cycle system according to claim 1 , wherein the content of the working fluid for heat cycle is from 40 to 95 mass % based on the entire amount of the composition for a heat cycle system.4. The composition for a heat cycle system according to claim 1 , wherein the content of the mixed refrigeration oil is from 5 to 60 mass % based on the entire amount of the composition for a heat cycle system.5. The composition for a heat cycle system according to claim 1 , wherein the content of the naphthenic mineral oil is from 50 to 90 mass % based on the entire amount of the mixed refrigeration oil.6. The composition for a heat cycle system according to claim 1 , wherein the ...

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10-01-2019 дата публикации

SLIDING COMPONENT AND BICYCLE INTERNAL TRANSMISSION DEVICE

Номер: US20190011037A1
Принадлежит: SHIMANO INC.

A sliding component comprises a base member, a plated layer, and a lubricant agent. The plated layer includes a metallic material and is disposed on the base member. The lubricant agent includes a fatty acid containing a carboxyl group. The lubricant agent contacts the plated layer. 1. A sliding component comprising:a base member;a plated layer including a metallic material, the plated layer being disposed on the base member; anda lubricant agent including a fatty acid containing a carboxyl group, the lubricant agent contacting the plated layer.2. The sliding component according to claim 1 , whereinthe fatty acid includes an olein acid.3. The sliding component according to claim 1 , whereinthe fatty acid includes a stearic acid.4. The sliding component according to claim 1 , whereinthe fatty acid includes a linoleic acid.5. The sliding component according to claim 1 , whereinthe plated layer has Vickers hardness ranging from 10 HV to 200 HV.6. The sliding component according to claim 1 , whereinthe plated layer includes tin.7. The sliding component according to claim 6 , further comprising:a chromized layer to slidably contact the plated layer.8. The sliding component according to claim 1 , whereinthe plated layer includes silver.9. The sliding component according to claim 8 , further comprising:a chromized layer to slidably contact the plated layer.10. The sliding component according to claim 1 , further comprising:a bicycle chain including the base member and the plated layer.11. The sliding component according to claim 10 , whereinthe bicycle chain includes an inner link plate and an outer link plate, andat least one of the inner link plate and the outer link plate includes the base member and the plated layer.12. The sliding component according to claim 11 , whereinthe bicycle chain includes a pin which is chromized.13. The sliding component according to claim 12 , whereinthe inner link plate includes the base member and the plated layer, andthe pin is ...

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19-01-2017 дата публикации

ULTRAVIOLET CURABLE RESIN COMPOSITION, SLIDING MEMBER, AND METHOD FOR PRODUCING SLIDING MEMBER

Номер: US20170015923A1
Принадлежит: MINEBEA CO., LTD.

There is provided a resin composition for a machinable liner of a sliding member. An ultraviolet curable resin composition for a self-lubricating liner contains a (meth)acrylate compound having an isocyanuric acid ring represented by the following formula and PTFE as a solid lubricant. In the formula (1), X is a group which contains an acryloyl group and is composed only of C, H, and O. Y and Z are groups each composed only of C, H, and O. PTFE is contained in an amount of 10 to 50% by weight with respect to a total amount of the ultraviolet curable resin composition. The ultraviolet curable resin composition is suitable for a self-lubricating liner of a spherical bearing having an outer race and an inner race . 2. The ultraviolet curable resin composition according to claim 1 , wherein the acrylate compound having the isocyanuric acid ring is selected from the group consisting of di-(2-acryloxyethyl) isocyanurate claim 1 , tris-(2-acryloxyethyl) isocyanurate claim 1 , ε-caprolactone modified tris-(2-acryloxyethyl) isocyanurate claim 1 , and a mixture of the di-(2-acryloxyethyl) isocyanurate and the tris-(2-acryloxyethyl) isocyanurate.3. The ultraviolet curable resin composition according to claim 1 , wherein the acrylate compound having the isocyanuric acid ring is a mixture of di-(2-acryloxyethyl) isocyanurate and tris-(2-acryloxyethyl) isocyanurate claim 1 , or ε-caprolactone modified tris-(2-acryloxyethyl) isocyanurate.4. The ultraviolet curable resin composition according to claim 1 , further comprising melamine cyanurate in an amount of 30% by weight or less with respect to the total amount of the ultraviolet curable resin composition.5. The ultraviolet curable resin composition according to claim 1 , wherein the polytetrafluoroethylene resin is in a powder form having an average particle diameter ranging from 75 μm to 180 μm.6. The ultraviolet curable resin composition according to claim 1 , wherein the polytetrafluoroethylene resin is a ...

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19-01-2017 дата публикации

COMPOSITION CONTAINING ESTER COMPOUNDS AND A METHOD OF LUBRICATING AN INTERNAL COMBUSTION ENGINE

Номер: US20170015924A1
Принадлежит:

The invention provides a lubricating composition containing a β-amino compound. The invention further relates to a method of lubricating an internal combustion engine by lubricating the engine with the lubricating composition. The invention further relates to the use of the β-amino carbonyl compound as copper corrosion inhibitors, friction control agents, antiwear and/or extreme pressure agents. 2. The lubricating composition of claim 1 , wherein one of Ror Ris hydrogen and the other of Ror Ris a hydrocarbyl group or substituted hydrocarbyl group selected from the group consisting of(i) an acyl-substituted hydrocarbyl group with no primary amines,(ii) an optionally substituted alk(en)yl chain containing 1 to 30 carbon atoms; and(iii) an ether-substituted hydrocarbyl group containing 1 to 30 carbon atoms.3. The lubricating composition of claim 1 , wherein each of Rare Rare a hydrocarbyl group or substituted hydrocarbyl group selected from the group consisting of(i) an acyl-substituted hydrocarbyl group with no primary amines,(ii) an optionally substituted alk(en)yl chain containing 1 to 30 carbon atoms; and(iii) an ether-substituted hydrocarbyl group containing 1 to 30 carbon atoms.4. The lubricating composition of further comprising an amide claim 1 , ester or imide derivative of a hydroxy-carboxylic acid claim 1 , or mixtures thereof.5. The lubricating composition of claim 4 , wherein the amide claim 4 , ester or imide derivative of a hydroxy-carboxylic acid is a compound derived from tartaric acid or citric acid.6. The lubricating composition of claim 4 , wherein the amide claim 4 , ester or imide derivative of a hydroxy-carboxylic acid is a compound derived from tartaric acid.7. The lubricating composition of claim 4 , wherein the β-amino carbonyl compound is present at 0.05 to 5 wt % of the lubricating composition claim 4 , and (b) the amide claim 4 , ester or imide derivative of a hydroxy-carboxylic acid is present at 0.05 to 5 wt % of the lubricating ...

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19-01-2017 дата публикации

METHOD FOR PREPARING A SULFURIZED ALKALINE EARTH METAL DODECYLPHENATE

Номер: US20170015925A1
Принадлежит:

An overbased sulfurized alkaline earth metal alkylphenate is prepared by reacting an alkylphenol with an alkaline earth metal hydroxide or an alkaline earth metal oxide and sulfur in the presence of an alkylene glycol or dialkylene glycol, or ether thereof and in the presence of an oil of lubricating viscosity, and optionally further reacting the product thereof with carbon dioxide; thereby forming a sulfurized alkaline earth metal alkylphenate composition in oil. The composition is heated and subjected to steam stripping followed by filtration. The resulting product exhibits an improved rate and efficiency of filtration. 1. A process for preparing a sulfurized alkaline earth metal alkylphenate , comprising: (i) an alkylphenol, wherein the alkyl group contains about 6 to about 24 carbon atoms, with:', '(ii) an alkaline earth metal hydroxide or an alkaline earth metal oxide in an amount of about 0.4 to about 10 moles per mole of alkylphenol charged to the reaction; and', '(iii) a sulfur source in an amount to provide about 0.8 to about 3 moles sulfur (as S) per mole of alkylphenol charged to the reaction; in the presence of', '(iv) an alkylene glycol or dialkylene glycol, or ether thereof, in an amount of about 0.2 to about 2 moles per mole of alkylphenol charged to the reaction; and including in the reaction mixture', '(v) an oil of lubricating viscosity;, '(a) reacting'} '(vi) carbon dioxide;', 'and optionally further reacting the product thereof withthereby forming a sulfurized alkaline earth metal alkylphenate composition in oil;(b) heating said alkylphenate composition to about 120 to 280° C.;(c) supplying steam to said alkylphenate composition;(d) removing said steam under reduced pressure; and(e) filtering the resulting composition to provide, as the filtrate, a sulfurized alkaline earth metal alkylphenate in oil.2. The process of wherein the alkylphenol comprises p-dodecyl phenol.3. (canceled)4. The process of wherein the amount alkaline earth metal hydroxide ...

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19-01-2017 дата публикации

HIGH TEMPERATURE HEAT-RESISTANT OIL-BASED RELEASE AGENT, HIGH TEMPERATURE HEAT-RESISTANT ELECTROSTATIC APPLICATION-TYPE OIL-BASED RELEASE AGENT, AND APPLICATION METHOD THEREFOR

Номер: US20170015934A1
Принадлежит:

An oil-based release agent of the present invention contains a petroleum-based hydrocarbon solvent (a) and a high temperature adhesive (b), is applied to a metal die used for die casting or casting, has high adhesion and high lubricity even with respect to a metal die at a high temperature particularly of 300° C. or higher, and can prevent seizure. In addition, the present invention provides a method for applying the oil-based release agent of the present invention by controlling an adhesion amount thereof by micronization and speed-control thereof with respect to a metal die at a high temperature, and an electrostatic application method. 1. A high temperature heat-resistant oil-based release agent comprising a petroleum-based hydrocarbon solvent (a) and a high temperature adhesive (b) ,wherein the high temperature adhesive (b) is at least one selected from the group consisting of a fluororesin, polysulfone, a phenolic resin, an epoxy resin, and a silicon-containing compound, and has a weight average molecular weight of 100,000 or more.2. The high temperature heat-resistant oil-based release agent according to claim 1 , wherein the petroleum-based hydrocarbon solvent (a) is at least one selected from the group consisting of a paraffinic hydrocarbon solvent claim 1 , an olefinic hydrocarbon solvent claim 1 , a naphthenic hydrocarbon solvent claim 1 , and an aromatic hydrocarbon solvent.3. (canceled)4. The high temperature heat-resistant oil-based release agent according to claim 1 , wherein the high temperature adhesive (b) is dimethyl polysiloxane having a weight average molecular weight of 100 claim 1 ,000 or more.5. The high temperature heat-resistant oil-based release agent according to claim 1 , further comprising a low volatile conductive modifier (f).6. The high temperature heat-resistant oil-based release agent according to claim 5 , wherein the low volatile conductive modifier (f) contains at least one selected from the group consisting of an imidazolium ...

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19-01-2017 дата публикации

REFRIGERATOR OIL AND REFRIGERATOR WORKING FLUID COMPOSITION

Номер: US20170015935A1
Принадлежит:

The present invention provides a refrigerating machine oil comprising at least one oxygen-containing oil having a carbon/oxygen molar ratio of 2.5 or more and 5.8 or less as a base oil, and the refrigerating machine oil being used with a trifluoroethylene refrigerant. 1. A refrigerating machine oil comprising at least one oxygen-containing oil having a carbon/oxygen molar ratio of 2.5 or more and 5.8 or less as a base oil , and the refrigerating machine oil being used with a trifluoroethylene refrigerant.2. The refrigerating machine oil according to claim 1 , comprising an ester of a fatty acid and a polyhydric alcohol as the oxygen-containing oil claim 1 , the fatty acid comprising a branched fatty acid having 4 to 9 carbon atoms in a proportion of 20 to 100 mol %.3. A working fluid composition for a refrigerating machine comprising:a refrigerating machine oil comprising at least one oxygen-containing oil having a carbon/oxygen molar ratio of 2.5 or more and 5.8 or less as a base oil; anda trifluoroethylene refrigerant.4. The working fluid composition for a refrigerating machine according to claim 3 , wherein the refrigerating machine oil comprises an ester of a fatty acid and a polyhydric alcohol as the oxygen-containing oil claim 3 , the fatty acid comprising a branched fatty acid having 4 to 9 carbon atoms in a proportion of 20 to 100 mol %.5. (canceled)6. (canceled) The present invention relates to a refrigerating machine oil and a working fluid composition for a refrigerating machine.Against the background of the recent problem of ozone layer depletion, CFC (chlorofluorocarbon) and HCFC (hydrochloro-fluorocarbon) conventionally used as refrigerants for refrigerating machines are subject to regulation and, instead of them, HFC (hydrofluorocarbon) is becoming widely used as a refrigerant. However, one of the HFC refrigerants, HFC-134a, which is commonly used as a refrigerant for car air conditioners, is subject to regulation in Europe due to its high global ...

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18-01-2018 дата публикации

Compositions and Methods for Marking Hydrocarbon Compositions With Non-Mutagenic Dyes

Номер: US20180016506A1
Принадлежит: United Color Manufacturing Inc.

The disclosure provides dyes for marking hydrocarbon compositions. More particularly, the disclosure relates to non-mutagenic dyes for marking hydrocarbon compositions. 2. The compound according to claim 1 , wherein R is a methyl group.3. The compound according to claim 1 , wherein Ris a methyl group.4. The compound according to claim 1 , wherein R is an ethyl group or an isopropyl group.5. The compound according to claim 1 , wherein Ris an ethyl group or an isopropyl group.6. The compound according to claim 1 , wherein R is a methyl group and Ris a methyl group.7. The compound according to claim 1 , wherein R is an ethyl group or an isopropyl group and Ris an ethyl group or an isopropyl group.8. The compound according to claim 1 , wherein Ris an alkyl group containing from 7 to 9 carbon atoms.9. The compound according to claim 1 , wherein n is 1.10. The compound according to claim 1 , wherein R is a methyl group claim 1 , Ris a methyl group claim 1 , and R2 is a heptyl group claim 1 , an octyl group claim 1 , or a nonyl group.11. The compound according to claim 10 , wherein Ris a heptyl group.12. The compound according to claim 11 , wherein n is 1.13. The compound according to claim 1 , wherein R is an ethyl group or an isorpropyl group claim 1 , Ris an ethyl group or an isopropyl group claim 1 , and Ris a heptyl group claim 1 , an octyl group claim 1 , or a nonyl group.14. The compound according to claim 13 , wherein Ris a heptyl group.15. The compound according to claim 14 , wherein n is 1. This application claims the benefit of and incorporates herein by reference for all purposes U.S. Provisional Patent Application Ser. No. 62/362,975 filed on Jul. 15, 2016 and entitled “Compositions and Methods for Marking Liquid Hydrocarbon Compositions With Non-Mutagenic Dyes”.Not ApplicableThe field of the invention are dyes for marking hydrocarbon compositions. More particularly, the invention relates to non-mutagenic dyes for marking hydrocarbon compositions. Dyes have ...

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18-01-2018 дата публикации

Ionic Liquid, Lubricant, and Magnetic Recording Medium

Номер: US20180016510A1
Принадлежит: Dexerials Corp

A lubricant, which includes an ionic liquid including a conjugate base and a conjugate acid including 2 or more cations in a molecule of the conjugate acid, wherein the conjugate acid includes a monovalent group including a straight-chain hydrocarbon group having 6 or more carbon atoms, and an acid that is a source of the conjugate base has a pKa in acetonitrile of 10 or less.

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18-01-2018 дата публикации

Use of Glycerides of Hydroxy Polycarboxylic Acids as Anti-Camshaft-Wear Additives in Lubricants and Fuels

Номер: US20180016511A1
Принадлежит:

This invention relates to the use of an oil-soluble mono-, di-, or tri-glyceride of at least one hydroxy polycarboxylic acid, or a derivative thereof, as an anti-camshaft-wear additive in a non-aqueous lubricant composition and/or in a fuel composition. 117-. (canceled)18. A method of improving anti-camshaft-wear properties of a non-aqueous lubricant composition and/or fuel composition comprising admixing an oil-soluble mono- , di- , or tri-glyceride of at least one hydroxy polycarboxylic acid , or a derivative thereof , in the non-aqueous lubricant composition and/or in the fuel composition.19. The method of claim 18 , wherein the oil-soluble mono- claim 18 , di- claim 18 , or tri-glyceride of at least one hydroxy polycarboxylic acid claim 18 , or a derivative thereof claim 18 , reduces camshaft wear as measured in the OM646LA engine test.20. The method of claim 18 , wherein the lubricant composition is used to lubricate an internal combustion engine.21. The method of claim 20 , wherein the oil-soluble mono- claim 20 , di- claim 20 , or tri-glyceride of at least one hydroxy polycarboxylic acid claim 20 , or a derivative thereof claim 20 , is provided in a liquid fuel composition used to operate the internal combustion engine claim 20 , and a portion at least claim 20 , of said glyceride ingresses into the lubricating oil composition during operation of said engine.22. The method of claim 18 , wherein the hydroxy polycarboxylic acid has at least one hydroxy group which is in an alpha position with respect to a carboxylic moiety.23. The method of claim 22 , wherein the hydroxy polycarboxylic acid is citric acid.24. The method of claim 18 , wherein the glyceride is a glyceride of at least one hydroxy polycarboxylic acid and at least one second carboxylic acid which is a saturated claim 18 , mono-unsaturated or poly-unsaturated claim 18 , branched or linear claim 18 , monocarboxylic or polycarboxylic acid having 4 to 22 carbon atoms claim 18 , or a derivative thereof. ...

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18-01-2018 дата публикации

Synergistic Lubricating Oil Composition Containing Mixture of Antioxidants

Номер: US20180016512A1
Автор: Xuelei Lily QIAN
Принадлежит: Chevron Oronite Co LLC

Disclosed is a lubricating oil composition comprising an oil of lubricating viscosity and an oil soluble synergistic mixture of antioxidants, said mixture comprising: a) a hindered amine antioxidant according to formula (I) wherein each R 1 is independently selected from a substituted or unsubstituted, branched or linear, C 1 -C 20 hydrocarbyl group; R 2 is selected from the group consisting of a hydrogen atom or a, substituted or unsubstituted, branched or linear, C 1 -C 20 hydrocarbyl group; each R 3 is independently selected from the group consisting of a hydrogen atom or a, substituted or unsubstituted, branched or linear, C 1 -C 20 hydrocarbyl group; each R 4 is independently selected from the group consisting of a hydrogen atom or a, substituted or unsubstituted, branched or linear, C 1 -C 20 hydrocarbyl group; n is an integer from 1 to 4; and m is an integer from 1 to 5; and b) a molybdenum succinimide complex.

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18-01-2018 дата публикации

POLYESTER DISPERSANTS, SYNTHESIS AND USE THEREOF

Номер: US20180016513A1
Автор: JR. William Raymond, Ruhe
Принадлежит:

A polyester composition, suitable for use as a dispersant in lubricating oils, is disclosed. The polyester composition is prepared by reacting (a) an acylating agent selected from an aliphatic-substituted succinic acylating agent, an aromatic polycarboxylic acylating agent, and combinations thereof; and (b) a hydroxyalkyl-substituted tertiary amine compound of the following structure: 2. The composition of claim 1 , wherein the aliphatic-substituted succinic acylating agent is selected from one or more of dodecenyl succinic anhydride claim 1 , hexadecenyl succinic anhydride claim 1 , and octadecenyl succinic anhydride claim 1 , and polyisobutenyl succinic anhydride.3. The composition of claim 1 , wherein the aromatic polycarboxylic acylating agent is selected from one or more of phthalic acid claim 1 , phthalic anhydride claim 1 , isophthalic acid claim 1 , terephthalic acid claim 1 , trimellitic acid claim 1 , trimellitic anhydride claim 1 , pyromellitic acid claim 1 , pyromellitic dianhydride claim 1 , 1 claim 1 ,8-naphthalic anhydride claim 1 , 2 claim 1 ,3-naphthalic anhydride claim 1 , and 2 claim 1 ,3 claim 1 ,7 claim 1 ,8-naphthalic dianhydride.4. The composition of claim 1 , wherein R′ is a Calkyl group.5. The composition of claim 1 , wherein R in each of the x (RO) and y (RO) groups is ethylene and R in each of the z (RO) groups is propylene.6. The composition of claim 1 , wherein x+y is in the range of 2 to 5.7. The composition of claim 1 , wherein z is in the range of 2 to 3.8. A lubricating oil additive concentrate comprising from 80 to 20 wt. % of an organic liquid diluent and from 20 to 80 wt. % of the polyester composition of .9. A lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity and (b) from 0.05 to 15 wt. % claim 1 , based on the total weight of the lubricating oil composition claim 1 , of the polyester composition of .10. The lubricating oil composition of claim 9 , further comprising an additive selected ...

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18-01-2018 дата публикации

POLYESTER DISPERSANTS, SYNTHESIS AND USE THEREOF

Номер: US20180016514A1
Автор: JR. William Raymond, Ruhe
Принадлежит:

Disclosed is an oil soluble polyester composition, suitable for use as a dispersant in lubricating oils. The oil soluble polyester composition is prepared by reacting (a) a hydrocarbyl-substituted succinic acylating agent and (b) a di-hydroxyalkyl-substituted tertiary amine compound selected from a N,N-di-hydroxyalkyl-substituted tertiary monoamine and a N,N′-di-hydroxyalkyl-substituted tertiary diamine. 1. An oil soluble polyester composition comprising a reaction product of:(a) a hydrocarbyl-substituted succinic acylating agent; and(b) a di-hydroxyalkyl-substituted tertiary amine compound selected from a N,N-di-hydroxyalkyl-substituted tertiary monoamine, a N,N′-di-hydroxyalkyl-substituted tertiary diamine, and combinations thereof.2. The oil soluble polyester composition of claim 1 , wherein the hydrocarbyl-substituted succinic acylating agent comprises a polyisobutenyl succinic anhydride in which the polyisobutenyl group has a number average molecular weight (M) of from 500 to 5000.3. The oil soluble polyester composition of claim 2 , wherein the hydrocarbyl-substituted succinic acylating agent further comprises a Chydrocarbyl-substituted succinic acylating agent.6. The oil soluble polyester composition of claim 5 , wherein the N claim 5 ,N-di-hydroxyalkyl tertiary monoamine is selected from the group consisting of N claim 5 ,N-bis(2-hydroxyethyl)aniline claim 5 , N claim 5 ,N-bis(2-hydroxypropyl)aniline claim 5 , N claim 5 ,N-bis(2-hydroxyethyl)-N′-phenyl-1 claim 5 ,4-phenylenediamine claim 5 , 4-phenoxy-N claim 5 ,N-bis(2-hydroxyethyl)aniline claim 5 , and 4-benzyloxy-N claim 5 ,N-bis(2-hydroxypropyl)aniline claim 5 , and combinations thereof.7. The oil soluble polyester composition of claim 6 , wherein the N claim 6 ,N-di-hydroxyalkyl tertiary monoamine is N claim 6 ,N-bis(2-hydroxyethyl)aniline.9. The oil soluble polyester composition of claim 8 , wherein the N claim 8 ,N-di-hydroxyalkyl-substituted tertiary monoamine is selected from the group consisting of ...

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18-01-2018 дата публикации

Dispersant Viscosity Index Improver-Containing Lubricant Compositions and Methods of Use Thereof

Номер: US20180016515A1
Автор: Lagona Jason
Принадлежит:

Lubricating oil compositions and methods of their use are provided herein. A lubricating oil composition as described herein includes a major amount of an oil of lubricating viscosity, an amine-functionalized olefin copolymer dispersant viscosity index improver in an amount of from about 1.5 wt. % to 2.0 wt. % based on the weight of the lubricating oil composition, and a dispersant. The amine-functionalized olefin copolymer dispersant viscosity index improver includes a reaction product of an acylated olefin copolymer and a polyamine. The dispersant includes reaction product of components (A) a hydrocarbyl-dicarboxylic acid or anhydride having a number average molecular weight of from about 500 to about 5000 and (B) at least one polyamine, wherein the reaction product is post-treated with (C) an aromatic carboxylic acid, an aromatic polycarboxylic acid, or an aromatic anhydride, wherein all carboxylic acid or anhydride groups are attached directly to an aromatic ring, and/or (D) a non-aromatic dicarboxylic acid or anhydride having a number average molecular weight of less than about 500. 1. A lubricating oil composition , comprising:a major amount of an oil of lubricating viscosity;an amine-functionalized olefin copolymer dispersant viscosity index improver comprising a reaction product of an acylated olefin copolymer and a polyamine in an amount of from about 1.5 wt. % to about 2.0 wt. % based on the weight of the lubricating oil composition; anda dispersant comprising a reaction product of components (A) a hydrocarbyl-dicarboxylic acid or anhydride having a number average molecular weight of from about 500 to about 5000 and (B) at least one polyamine, wherein the reaction product is post-treated with (C) an aromatic carboxylic acid, an aromatic polycarboxylic acid, or an aromatic anhydride, wherein all carboxylic acid or anhydride groups are attached directly to an aromatic ring, and/or (D) a non-aromatic dicarboxylic acid or anhydride having a number average ...

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18-01-2018 дата публикации

LUBRICATING OIL COMPOSITION

Номер: US20180016518A1
Автор: KANEKO Masato
Принадлежит: IDEMITSU KOSAN CO., LTD.

A lubricating oil composition according to one embodiment of the present invention contains an oxygen-containing synthetic base oil having an oxygen content (A) of from 15 to 40 mass % and a kinetic viscosity at 100° C. of from 0.5 to 50 mm/s, and a viscosity index improver that is an oxygen-containing compound having an oxygen content (B) of from 15 to 40 mass % and a kinetic viscosity at 100° C. of 11,000 mm/s or more, a mass ratio of the oxygen-containing synthetic base oil and the viscosity index improver being from 99.5:0.5 to 75:25, and a ratio (A/B) of the oxygen content (A) of the oxygen-containing synthetic base oil to the oxygen content (B) of the viscosity index improver being in a range of from 0.5 to 2. 1. A lubricating oil composition , comprising:{'sup': '2', 'an oxygen-containing synthetic base oil having an oxygen content (A) of from 15 to 40 mass % and a kinetic viscosity at 100° C. of from 0.5 to 50 mm/s; and'}{'sup': '2', 'a viscosity index improver that is an oxygen-containing compound having an oxygen content (B) of from 15 to 40 mass % and a kinetic viscosity at 100° C. of 11,000 mm/s or more,'}wherein:a mass ratio of the oxygen-containing synthetic base oil and the viscosity index improver is from 99.5:0.5 to 75:25; anda ratio (AB) of the oxygen content (A) of the oxygen-containing synthetic base oil to the oxygen content (B) of the viscosity index improver ranges from 0.5 to 2.2. The lubricating oil composition according to claim 1 , wherein the viscosity index improver is at least one oxygen-containing compound selected from the group consisting of a polyvinyl ether compound claim 1 , a polyoxyalkylene glycol compound claim 1 , and a copolymer having a structure of a poly(oxy)alkylene glycol or a monoether thereof and a polyvinyl ether.3. The lubricating oil composition according to claim 2 , wherein the viscosity index improver is a polyoxyalkylene glycol compound.4. The lubricating oil composition according to claim 1 , wherein the oxygen ...

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17-01-2019 дата публикации

MARINE LUBRICATING OILS AND METHOD OF MAKING AND USE THEREOF

Номер: US20190016983A1
Принадлежит:

Provided are marine lubricating oils including from 15 to 95 wt % of a Group III base stock having a kinematic viscosity at 100 deg. C of 4 to 12 cSt, 0.5 to 55 wt % of cobase stock having a kinematic viscosity at 100 deg. C of 29 to 1000 cSt, 0.1 to 2.0 wt % of a molydithiocarbamate friction modifier, 0.1 to 2.0 wt % of a zinc dithiocarbamate anti-wear additive, and 2 to 30 wt % of other lubricating oil additives. The cobase stock is selected from the group consisting of a Group I, a Group IV, a Group V and combinations thereof Also provided are methods of making and using the marine lubricating oils. 1. A marine lubricating oil comprising from 15 to 95 wt % of a Group III base stock having a KV100 of 4 to 12 cSt , 0.5 to 55 wt % of cobase stock having a KV100 of 29 to 1000 cSt , 0.1 to 2.0 wt % of a molydithiocarbamate friction modifier , 0.1 to 2.0 wt % of a zinc dithiocarbamate anti-wear additive , and 2 to 30 wt % of other lubricating oil additives , andwherein the cobase stock is selected from the group consisting of a Group I, a Group IV, a Group V and combinations thereof.2. The oil of claim 1 , wherein the Group I cobase stock is bright stock.3. The oil of claim 1 , wherein the Group IV cobase stock is a Friedel-Crafts catalyzed PAO base stock or a metallocene catalyzed PAO base stock.4. The oil of claim 1 , wherein Group V cobase stock is selected from the group consisting of polyisobutylene claim 1 , polymethacrylate and combinations thereof.5. The oil of claim 1 , wherein the Group III base stock is a GTL base stock.6. The oil of claim 1 , wherein the oil has a KV100 ranging from 7 to 30 cSt.7. The oil of claim 1 , wherein the other lubricating oil additives are selected from the group consisting of viscosity index improvers claim 1 , antioxidants claim 1 , detergents claim 1 , dispersants claim 1 , pour point depressants claim 1 , corrosion inhibitors claim 1 , metal deactivators claim 1 , seal compatibility additives claim 1 , anti-foam agents claim 1 ...

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17-01-2019 дата публикации

LUBRICATING OIL COMPOSITIONS CONTAINING NON-SULFUR-PHOSPHORUS CONTAINING ZINC COMPOUNDS AND METHOD FOR PREVENTING OR REDUCING LOW SPEED PRE-IGNITION IN DIRECT INJECTED SPARK-IGNITED ENGINES

Номер: US20190016985A1
Принадлежит:

A lubricant composition for a direct injected, boosted, spark ignited internal combustion engine that contains at least one non-sulfur-phosphorus containing zinc compound is disclosed. This disclosure also relates to a method for preventing or reducing low speed pre-ignition in an engine lubricated with a formulated oil. The formulated oil has a composition comprising at least one oil soluble or oil dispersible non-sulfur-phosphorus containing zinc compound. 1. A method for preventing or reducing low speed pre-ignition in a direct injected , boosted , spark ignited internal combustion engine , said method comprising the step of lubricating the crankcase of the engine with a lubricating oil composition comprising from about 200 to about 3000 ppm of zinc metal from at least one non-sulfur-phosphorus containing zinc compound , based on the total weight of the lubricating oil composition.2. The method of claim 1 , wherein the engine is operated under a load with a break mean effective pressure (BMEP) of from about 12 to about 30 bars.3. The method of claim 1 , wherein the engine is operated at speeds between 500 and 3 claim 1 ,000 rpm.4. The method of claim 1 , wherein the non-sulfur-phosphorus containing zinc compound is a zinc alkoxide or thiolate compound claim 1 , zinc aryloxide or arylthiolate compound claim 1 , colloidal dispersion of zinc oxide claim 1 , stable colloidal zinc suspension claim 1 , zinc amido compound claim 1 , zinc acetylacetonate compound claim 1 , zinc carboxylate claim 1 , zinc alkylhydroxybenzoate claim 1 , zinc arylsulfonate claim 1 , zinc sulfurized phenate claim 1 , zinc dithiocarbamato complex claim 1 , zinc salen complex claim 1 , bimetallic zinc complex claim 1 , zinc phosphate ester claim 1 , zinc phospinate claim 1 , zinc phosphinite complex claim 1 , zinc pyridyl complex claim 1 , zinc polypyridyl complex claim 1 , zinc quinolinolato complex claim 1 , zinc succinimide.5. The method of claim 1 , wherein the lubricating oil composition ...

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17-01-2019 дата публикации

LUBRICATING OIL COMPOSITIONS CONTAINING ZIRCONIUM AND METHOD FOR PREVENTING OR REDUCING LOW SPEED PRE-IGNITION IN DIRECT INJECTED SPARK-IGNITED ENGINES

Номер: US20190016986A1
Принадлежит:

A lubricant composition for a direct injected, boosted, spark ignited internal combustion engine that contains at least one zirconium-containing compound is disclosed. This disclosure also relates to a method for preventing or reducing low speed pre-ignition in an engine lubricated with a formulated oil. The formulated oil has a composition comprising at least one oil soluble or oil dispersible zirconium-containing compound. 1. A method for preventing or reducing low speed pre-ignition in a direct injected , boosted , spark ignited internal combustion engine , said method comprising the step of lubricating the crankcase of the engine with a lubricating oil composition comprising from about 50 to about 3000 ppm of metal from at least one zirconium-containing compound , based on the total weight of the lubricating oil composition.2. The method of claim 1 , wherein the engine is operated under a load with a break mean effective pressure (BMEP) of from about 12 to about 30 bars.3. The method of claim 1 , wherein the engine is operated at speeds between 500 and 3 claim 1 ,000 rpm.4. The method of claim 1 , wherein the zirconium-containing compound is a zirconium alkoxide compound claim 1 , colloidal dispersion of zirconia claim 1 , zirconium amido compound claim 1 , zirconium acetylacetonate compound claim 1 , zirconium carboxylate claim 1 , zirconium salicylate claim 1 , zirconium arylsulfonate claim 1 , zirconium sulfurized or unsulfurized phenate claim 1 , dialkyl claim 1 , dihalo or thiocarbamto claim 1 , thiophosphato bis(cyclopentadienyl)zirconium compound claim 1 , dithiocarbamato zirconium complex claim 1 , dithiophosphato complex claim 1 , salen zirconium complex claim 1 , phosphate ester claim 1 , phospinate claim 1 , or phosphinite zirconium complex claim 1 , pyridyl claim 1 , polypyridyl claim 1 , or quinolinolato zirconium complex claim 1 , zirconium succinimide complex claim 1 , or zirconium colloidal suspension.5. The method of claim 1 , wherein the ...

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17-01-2019 дата публикации

POLY(METH)ACRYLATE COPOLYMERS WITH BRANCHED C17 ALKYL CHAINS AND THEIR USE IN LUBRICANT OIL COMPOSITIONS

Номер: US20190016987A1
Принадлежит:

The presently claimed invention is directed to poly(meth)acrylate copolymers containing alkyl(meth)acrylate comonomer with branched C17 alkyl group. The invention is further related to lubricating oil compositions comprising poly(meth)acrylate copolymers containing alkyl(meth) acrylate comonomer with branched C17 alkyl group as viscosity index improving component. 115.-. (canceled)16. A poly(meth)acrylate copolymer that is obtained by polymerizing a mixture comprising:(A) C17 alkyl (meth)acrylate, where C17 alkyl chain is branched with a mean degree of branching between 2.0 and 4.0,(B) methyl methacrylate and/or methyl acrylate, and(C) alkyl methacrylate and/or alkyl acrylate with a linear or branched C2 to C30 alkyl chain.17. The copolymer of claim 16 , wherein the C17 alkyl chain is branched with a mean degree of branching between 2.8 and 3.7.18. The copolymer of claim 16 , wherein the copolymer has a weight average molecular weight Mof from 10 claim 16 ,000 to 800 claim 16 ,000 determined by gel permeation chromatography according to DIN 55672-1.19. The copolymer of claim 16 , wherein the amount of comonomer (A) is from 5 to 80 wt.-% claim 16 , based on the total weight of the poly(meth)acrylate copolymer.20. The copolymer of claim 16 , wherein the amount of comonomer (B) is from 5 to 40 wt.-% claim 16 , based on the total weight of the poly(meth)acrylate copolymer.21. The copolymer of claim 16 , wherein the amount of comonomer (C) is from 15 to 80 wt.-% claim 16 , based on the total weight of the poly(meth)acrylate copolymer.22. The copolymer of claim 16 , wherein the linear or branched C2 to C30 alkyl chain is selected from the group consisting of ethyl claim 16 , n-propyl claim 16 , iso-propyl claim 16 , n-butyl claim 16 , iso-butyl claim 16 , sec-butyl claim 16 , tert-butyl claim 16 , pentyl claim 16 , hexyl claim 16 , heptyl claim 16 , octyl claim 16 , 2-ethylhexyl claim 16 , 2-propyl heptyl claim 16 , nonyl claim 16 , decyl claim 16 , stearyl claim 16 , ...

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16-01-2020 дата публикации

COMPOSITIONS AND USES OF CIS-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE

Номер: US20200017740A1
Принадлежит:

This invention relates to compositions, methods and systems having utility in numerous applications, and in particular, uses for compositions containing the compound cis-1,1,1,4,4,4-hexafluoro-2-butene (Z-HFO-1336mzzm), which has the following structure: 130-. (canceled)31. A method for providing refrigeration comprising:(a) providing a centrifugal chiller system comprising a centrifugal compressor, a condenser, an evaporator and a refrigerant in said system, said refrigerant consisting essentially of from about 70% to about 99% by weight of cis-1,1,1,4,4,4-hexafluoro-2-butene and from about 1% by weight to about 30% by weight of trans-1,2 dichloroethylene; and(b) operating said system to provide cooling.32. The method of wherein said refrigerant consists essentially of from about 75% to about 99% by weight of cis-1 claim 31 ,1 claim 31 ,1 claim 31 ,4 claim 31 ,4 claim 31 ,4-hexafluoro-2-butene and from about 1% by weight to about 25% by weight of trans-1 claim 31 ,2 dichloroethylene.33. The method of wherein said refrigerant consists of from about 70% to about 99% by weight of cis-1 claim 31 ,1 claim 31 ,1 claim 31 ,4 claim 31 ,4 claim 31 ,4-hexafluoro-2-butene and from about 1% by weight to about 30% by weight of trans-1 claim 31 ,2 dichloroethylene.34. The method of wherein said refrigerant consists of from about 75% to about 99% by weight of cis-1 claim 31 ,1 claim 31 ,1 claim 31 ,4 claim 31 ,4 claim 31 ,4-hexafluoro-2-butene and from about 1% by weight to about 25% by weight of trans-1 claim 31 ,2 dichloroethylene.35. The method of wherein said refrigerant consists of about 75% of cis-1 claim 34 ,1 claim 34 ,1 claim 34 ,4 claim 34 ,4 claim 34 ,4-hexafluoro-2-butene and about 25% by weight of trans-1 claim 34 ,2 dichloroethylene.36. The method of wherein said centrifugal chiller system is part of a commercial air conditioning system.37. The method of wherein said operating step (b) comprises operating said condenser at a temperature of about 40° C.38. The method ...

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21-01-2021 дата публикации

Metal Working Fluid

Номер: US20210017465A1
Принадлежит:

A metal working fluid having increased resistance to bacterial growth. The metal working fluid includes a cross-linked polymeric ester emulsifier; and an amine represented by the formula (HN)-Q-(NH), where a and b are each integers, and Q is at least one carbon atom. Q may also be represented by X—Y—Z, where a+b≥2; X is a cyclic ring system including 3 to 24 carbon atoms; and Y and Z are groups that include at least one carbon atom directly attached to the cyclic ring system. The metal working fluid may also include a biocide, and may also include an amide that is formed by reacting the amine with a carboxylic acid. 1. A metal working fluid , comprising:a polymeric ester emulsifier that in and of itself is cross-linked; and {'br': None, 'sub': 2', 'a', '2', 'b, '(HN)-Q-(NH)\u2003\u2003(1),'}, 'an amine represented by the following formula (1)where a and b are each integers, and Q is represented by Y—X—Z, where X is a cyclic ring system including 3 to 24 carbon atoms, Y and Z are groups that include at least one carbon atom directly attached to the cyclic ring system, and the amine groups are attached to the Y and Z groups, respectively.2. (canceled)3. The metal working fluid according to claim 1 , wherein X is a cyclic ring system including 4 to 8 carbon atoms.4. The metal working fluid according to claim 1 , wherein X is a cyclic ring system including 6 carbon atoms.5. The metal working fluid according to claim 1 , wherein the cyclic ring system is an aromatic ring or an aliphatic ring.6. The metal working fluid according to claim 1 , wherein the Y and Z groups include alkylene chains (—CH) claim 1 , where n is an integer between 1 and 24.7. The metal working fluid according to claim 6 , wherein the primary amine groups are located at a terminal end of the alkylene chains.8. The metal working fluid according to claim 1 , further comprising a biocide.9. The metal working fluid according to claim 8 , wherein the biocide is selected from the group consisting of N ...

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16-01-2020 дата публикации

Polyacrylate Antifoam Components With Improved Thermal Stability

Номер: US20200017793A1
Принадлежит:

There is disclosed an antifoam component for a mechanical device which includes a poly(acrylate) copolymer. The antifoam component has improved thermal stability in finished fluids utilizing dibutyl hydrogen phosphite compounds, such as driveline fluids. 2. The lubricating composition of claim 1 , further comprising a phosphorous-containing component.3. The lubricating composition of claim 2 , wherein the phosphorous-containing component comprises one or more of a phosphite claim 2 , a phosphorus-containing amide claim 2 , a phosphorus-containing carboxylic acid or ester claim 2 , a phosphorus-containing ether claim 2 , and mixtures and derivatives thereof.4. The lubricating composition of claim 1 , wherein the acrylate monomer (i) is present in an amount of about 80 wt % claim 1 , or about 85 wt % claim 1 , and the comonomer (ii) is present in an amount of about 15 wt % claim 1 , or about 20 wt %.5. The lubricating composition of claim 1 , wherein the acrylate monomer (i) comprises C6-C8 alkyl esters of acrylic acid.6. The lubricating composition of claim 1 , wherein the acrylate monomer (i) comprises 2-ethylhexyl acrylate.7. The lubricating composition of claim 1 , wherein the comonomer (ii) comprises ethyl acrylate or propyl acrylate.8. The lubricating composition of claim 1 , wherein the acrylate monomer (i) is 2-ethylhexyl acrylate and the comonomer (ii) is ethyl acrylate.9. The lubricating composition of claim 8 , wherein the acrylate monomer (i) is present in an amount of 85 wt % and the comonomer (ii) is present in an amount of 15 wt %.10. The lubricating composition of claim 1 , wherein the antifoam component has a Mof from 22 claim 1 ,000 to 27 claim 1 ,000 Da.11. The lubricating composition of claim 1 , wherein the antifoam component is present in the lubricating composition in an amount from 50 ppm to about 600 ppm.12. The lubricating composition of claim 1 , further comprising at least one further additive selected from the group consisting of ...

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16-01-2020 дата публикации

FLUORINATED POLYACRYLATE ANTIFOAM COMPONENTS FOR LUBRICATING COMPOSITIONS

Номер: US20200017794A1
Принадлежит:

There is disclosed an antifoam component for a mechanical device which includes a fluorinated poly(acrylate) copolymer. The antifoam component has improved foam performance and thermal stability in finished fluids, such as driveline fluids. 1. A lubricating composition , comprising:a) an oil of lubricating viscosity selected from the group consisting of a Group III oil, a Group IV oil, a Group V oil, or mixtures thereof; andb) an antifoam component comprising a poly(acrylate) copolymer including:{'sub': 4', '8, '(i) from about 50 wt % up to about 90 wt % of an acrylate monomer having Cto Calkyl esters of acrylic acid;'}{'sub': 2', '3, '(ii) from about 10 wt % up to about 35 wt % of an acrylate comonomer having Cto Calkyl esters of acrylic acid; and'}(iii) from about 1.0 wt % up to 20 wt % of a fluorinated acrylate monomer;{'sub': 'w', 'the antifoam component having a Mof at least 45,000 Daltons.'}2. The lubricating composition of claim 1 , wherein the acrylate monomer (i) is present in an amount of about 54 wt % claim 1 , or 72 wt % claim 1 , and the acrylate comonomer (ii) is present in an amount of about 31 wt % or 23 wt %.3. The lubricating composition of claim 1 , wherein the acrylate monomer (i) comprises 2-ethylhexyl acrylate.4. The lubricating composition of claim 1 , wherein the comonomer (ii) comprises ethyl acrylate or propyl acrylate.5. The lubricating composition of claim 1 , wherein the acrylate monomer (i) is 2-ethylhexyl acrylate and the acrylate comonomer (ii) is ethyl acrylate.6. The lubricating composition of claim 1 , wherein the fluorinated acrylate comonomer is branched or linear.7. The lubricating composition of claim 1 , wherein the fluorinated acrylate monomer is selected from the group consisting of 2 claim 1 ,2 claim 1 ,2-trifluoroethyl acrylate claim 1 , 1 claim 1 ,1 claim 1 ,1 claim 1 ,3 claim 1 ,3 claim 1 ,-hexafluoroisopropyl acrylate claim 1 , octafluoropentylmethacrylate claim 1 , heptadecafluoroundecyl acrylate and tridecafluorooctyl ...

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16-01-2020 дата публикации

REFRIGERATION OIL COMPOSITION AND WORKING FLUID FOR REFRIGERATION SYSTEM

Номер: US20200017795A1
Принадлежит:

A refrigeration oil composition includes: a mixture of a naphthenic mineral oil and at least one of a polyol ester oil and a polyvinyl ether oil; and at least one of a sorbitan compound and a glycerin fatty acid ester and a working fluid for a refrigeration system includes: the refrigeration oil composition; and one or more refrigerants selected from a hydrofluorocarbon refrigerant, a hydrofluoroolefin refrigerant and a carbon dioxide refrigerant. 1. A refrigeration oil composition comprising:a mixture of a naphthenic mineral oil and at least one of a polyol ester oil and a polyvinyl ether oil; andat least one of a sorbitan compound and a glycerin fatty acid ester.2. The refrigeration oil composition according to claim 1 , comprising the mixture of the naphthenic mineral oil and the polyol ester oil claim 1 , and the sorbitan compound.3. The refrigeration oil composition according to claim 1 , comprising the mixture of the naphthenic mineral oil and the polyvinyl ether oil claim 1 , and the at least one of the sorbitan compound and the glycerin fatty acid ester.4. The refrigeration oil composition according to claim 1 , wherein in the mixture claim 1 , a mass ratio of the naphthenic mineral oil to the at least one of the polyol ester oil and the polyvinyl ether oil is that the naphthenic mineral oil:the at least one of the polyol ester oil and the polyvinyl ether oil=from 60:40 to 90:10.5. The refrigeration oil composition according to claim 1 , wherein a content of the at least one of the sorbitan compound and the glycerin fatty acid ester is from 0.5 mass % to 5 mass % of a total amount of the refrigeration oil composition.6. The refrigeration oil composition according to claim 1 , wherein a kinematic viscosity of the naphthenic mineral oil at 40° C. is from 5 mm/s to 460 mm/s claim 1 , and a kinematic viscosity of the at least one of the polyol ester oil and the polyvinyl ether oil at 40° C. is from 5 mm/s to 350 mm/s.7. The refrigeration oil composition ...

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16-01-2020 дата публикации

OIL ADDITIVE

Номер: US20200017796A1
Автор: Ranney Ryan
Принадлежит:

Disclosed herein is an oil additive and combination oil product comprising an effective amount of the oil additive. The oil additive comprises a bismuth-containing premix, the bismuth-containing premix comprising bismuth trioxide and a carrier, and a boron-containing premix, the boron-containing premix comprising boric acid, a carrier, and an anionic surfactant. 1. An oil additive comprising:a bismuth-containing premix, the bismuth-containing premix comprising bismuth trioxide and a bismuth carrier,a boron-containing premix, the boron-containing premix comprising boric acid, a boron carrier, and an anionic surfactant, andoptionally a component selected from the group consisting of a shear stable polymer, a dispersing agent, a carboxylic acid for adjusting the total acid number, a glycol, and any combination thereof,{'sub': 6', '16, 'wherein the bismuth carrier comprises a linear or branched, saturated or unsaturated C-Ccarboxylic acid, a conjugate base thereof, or a combination thereof and'}{'sub': 8', '22, 'wherein the boron carrier comprises an alkanolamine, a linear or branched, saturated or unsaturated C-Ccarboxylic acid or a conjugate base thereof, an alkanolamide, or any combination thereof.'}2. The oil additive of claim 1 , wherein the bismuth carrier comprises a linear or branched claim 1 , saturated or unsaturated C-Ccarboxylic acid claim 1 , a conjugate base thereof claim 1 , or a combination thereof.3. The oil additive of claim 2 , wherein the boron carrier comprises an alkanolamine and a linear or branched claim 2 , saturated or unsaturated C-Ccarboxylic acid or a conjugate base thereof.4. The oil additive of claim 3 , wherein the alkanolamine comprises a monoalkanolamine.5. The oil additive of claim 1 , wherein the anionic surfactant comprises an alkylsulfonate claim 1 , an alkylarylsulfonate claim 1 , or the conjugate acid thereof.6. The oil additive of claim 1 , wherein the oil additive comprises the shear stable polymer.7. The oil additive of claim 6 ...

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26-01-2017 дата публикации

NEW MODIFIED SILICON OIL FOR WAX-FREE DIE CASTING LUBRICANTS

Номер: US20170021408A1
Принадлежит:

The present invention relates to a mixture of polyalkylsiloxanes obtainable through a hydrosilylation reaction wherein a mixture of monounsaturated olefins is reacted with an amount of one or more polyalkylhydrosiloxanes in the presence of a hydrosilylation catalyst. Furthermore, the invention concerns polyalkylsiloxane comprising alkyl side chains consisting of linear or branched alkyl groups with 40 to 60 carbon atoms, with 16 to 30 carbon atoms, and 6 to 15 carbon atoms. In addition, the present invention relates to water-based compositions suitable for use in metal casting processes as a mold release agent comprising a mixture of polyalkylsiloxanes, a non-ionic surfactant having a HLB value of at least 8, and less than 20 wt.-% of waxes. In addition, the present invention relates to the use of the polyalkylsiloxanes and mixtures of polyalkylsiloxanes. 2. The mixture of polyalkylsiloxanes according to claim 1 , wherein the amount of polyalkylhydrosiloxanes is at least 60% claim 1 , but not more than a stoichiometric amount.3. The mixture of polyalkylsiloxanes according to claim 1 , wherein the one or more polyalkylhydrosiloxanes is at least partially selected from polymethylhydrosiloxanes.4. The mixture of polyalkylsiloxanes according to claim 1 , wherein at least 80 mol % of the mixture of monounsaturated olefins are selected from α-olefins.5. The mixture of polyalkylsiloxanes according to claim 1 , wherein temperature at which the mixture of monounsaturated olefins is reacted with the one or more polyalkylhydrosiloxanes is in a range of from 80° C. to 180° C. for a time sufficient to yield not more than 10 mol % Si—H bonds in the mixture of polyalkylsiloxanes.6. The mixture of polyalkylsiloxanes according to claim 1 , wherein the hydrosilylation catalyst is a platinum catalyst.7. The mixture of polyalkylsiloxanes according to claim 1 , wherein an inert liquid vehicle that acts as a solvent for the one or more polyalkylhydrosiloxanes and/or the mixture of ...

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25-01-2018 дата публикации

METHOD FOR RECOVERING SILICON PARTICLES AND ABRASIVE GRAINS FROM WASTED ABRASIVE SLURRY

Номер: US20180021981A1
Принадлежит:

Disclosed herein is a method for recovering silicon particles and abrasive grains from a wasted abrasive slurry. The method includes providing a wasted abrasive slurry that contains silicon particles, abrasive grains and a water-soluble glycol, and mixing the wasted abrasive slurry with a metal chloride solution, so as to obtain a micelle layer and a slurry layer, the micelle layer including the water-soluble glycol, and the slurry layer including the silicon particles and the abrasive grains. 1. A method for recovering silicon particles and abrasive grains from a wasted abrasive slurry , comprising:providing a wasted abrasive slurry that contains silicon particles, abrasive grains and a water-soluble glycol; andmixing the wasted abrasive slurry that contains silicon particles, abrasive grains and a water-soluble glycol with a metal chloride solution, so as to obtain a micelle layer and a slurry layer, the micelle layer including the water-soluble glycol, and the slurry layer including the silicon particles and the abrasive grains.2. The method of claim 1 , further comprising subjecting the slurry layer to a separation treatment claim 1 , so as to obtain an aqueous supernatant and a precipitate that includes the silicon particles and the abrasive grains.3. The method of claim 2 , further comprising adding an acid solution into the precipitate so as to separate the silicon particles and the abrasive grains.4. The method of claim 3 , wherein the acid solution is an organic acid solution.5. The method of claim 1 , wherein the abrasive grains are selected from the group consisting of silicon carbide grains claim 1 , aluminium oxide grains claim 1 , zirconium oxide grains claim 1 , yttrium oxide grains claim 1 , brown corundum grains claim 1 , white corundum grains claim 1 , and combinations thereof.6. The method of claim 1 , wherein the water-soluble glycol is selected from the group consisting of diol claim 1 , polyol and the combination thereof.7. The method of claim ...

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26-01-2017 дата публикации

AQUEOUS LOW FRICTION COATING FOR TELECOMMUNICATION CABLES

Номер: US20170022440A1
Принадлежит:

A fluoropolymer coating composition comprises: fluorinated homopolymer particles dispersed in water, fluorinated copolymer particles dispersed in water, non-fluorinated polymer particles dispersed in water; and at least one aziridine compound comprising at least two aziridine groups. The composition is especially useful in low friction coating for telecommunication cables. 1. A fluoropolymer coating composition comprising:fluorinated homopolymer particles dispersed in water,fluorinated copolymer particles dispersed in water,non-fluorinated polymer particles dispersed in water; andat least one aziridine compound comprising at least two aziridine groups.2. The fluoropolymer coating composition of wherein the non-fluorinated polymer particles comprise a polyurethane latex material.3. The fluoropolymer coating composition of wherein the non-fluorinated polymer particles comprise an acrylic latex material.4. The fluoropolymer coating composition of wherein the fluorinated homopolymer particles comprise polytetrafluoroethylene.5. The fluoropolymer coating composition of wherein the fluorinated copolymer particles comprise a copolymer of tetrafluoroethylene claim 1 , hexafluoropropylene and vinylidene fluoride.6. The fluoropolymer coating composition of further comprising inorganic oxide nanoparticles.7. (canceled)8. The fluoropolymer coating composition of wherein the inorganic oxide nanoparticles comprise nanoparticle silica having an average particle size of less than 100 nm.9. An article having a low friction surface claim 6 , comprising:a substrate having an exposed polymer surface and a thin layer of a low friction coating disposed on the exposed polymer surface of the substrate, wherein the low friction coating comprises a fluorinated homopolymer, a fluorinated copolymer, and non-fluorinated polymer; that have been crosslinked by a polyazidine crosslinking agent.10. The article of claim 9 , wherein the exposed polymer surface comprises a low surface energy plastic. ...

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26-01-2017 дата публикации

LUBRICATING OIL COMPOSITION

Номер: US20170022441A1
Принадлежит:

A lubricating oil composition which can reduce the occurrence frequency of LSPI and which can ensure detergency. The lubricating oil composition which includes a lubricant base oil, a compound having calcium and/or magnesium, a compound having molybdenum and/or phosphorus, and an ashless dispersant having nitrogen and which satisfies X≦−0.85 and Y≧0.18 (wherein X is calculated according to formula (1): X=([Ca]+0.5[Mg])×8−[Mo]×8−[P]×30 and Y is calculated according to formula (2): Y=[Ca]+1.65[Mg]+[N]). The lubricating oil composition for use in an internal combustion engine, more particularly, a lubricating oil composition for use in a supercharged gasoline engine. 1. A lubricating oil composition , comprising: a lubricating oil base oil , a compound having at least one element selected from calcium and magnesium , a compound having at least one element selected from molybdenum and phosphorous , and an ashless dispersant having nitrogen; wherein , {'br': None, 'X=([Ca]+0.5[Mg])×8−[Mo]×8−[P]×30\u2003\u2003(1)'}, 'X as determined from following equation (1)wherein [Ca], [Mg], [Mo] and [P] in equation (1) respectively represent the concentrations (wt %) of calcium, magnesium, molybdenum and phosphorous in the lubricating oil composition,satisfies the expression X≦−0.85; and, {'br': None, 'Y=[Ca]+1.65[Mg]+[N]\u2003\u2003(2)'}, 'Y as determined from following equation (2)wherein [Ca], [Mg] and [N] in equation (2) respectively represent the concentrations (wt %) of calcium, magnesium and nitrogen derived from ashless dispersant in the lubricating oil composition,satisfies the expression Y≧0.18.2. The lubricating oil composition according to claim 1 , wherein Z as determined from following equation (3):{'br': None, 'Z=[N]/([Ca]+[Mg])\u2003\u2003(3)'}wherein [Ca], [Mg] and [N] respectively represent the concentrations (wt %) of calcium, magnesium and nitrogen derived from an ashless dispersant in the lubricating oil composition,further satisfies the expression 0.3≦Z≦1.5.3. ...

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26-01-2017 дата публикации

MARINE DIESEL CYLINDER LUBRICANT OIL COMPOSITIONS

Номер: US20170022442A1
Принадлежит:

Disclosed herein are marine diesel cylinder lubricating oil compositions which comprises (a) a major amount of an oil of lubricating viscosity, and (b) one or more non-borated polyalkenyl bis-succinimide dispersants, wherein the polyalkenyl substituent is derived from a polyalkene group having a number average molecular weight of from about 1500 to about 3000; and further wherein the marine diesel cylinder lubricating oil composition has a total base number (TBN) of about 5 to about 150. Also disclosed herein are marine diesel cylinder lubricating oil compositions which comprises (a) a major amount of an oil of lubricating viscosity, and (b) one or cyclic carbonate post-treated polyalkenyl bis-succinimide dispersants, wherein the marine diesel cylinder lubricating oil composition has a total base number (TBN) of about 5 to about 150. 1. A marine diesel cylinder lubricating oil composition which comprises (a) a major amount of a Group I base stock oil of lubricating viscosity , and (b) a non-borated polyalkenyl bis-succinimide dispersant present in an amount of from about 1.5 to about 8.0 wt. % , on an actives basis , based on the total weight of the marine diesel cylinder lubricating oil composition , wherein the polyalkenyl substituent is derived from a polyalkene group having a number average molecular weight of from about 1500 to about 3000; and further wherein the marine diesel cylinder lubricating oil composition has a total base number (TBN) of about 5 to about 30.2. The marine diesel cylinder lubricating oil composition of claim 1 , wherein the number average molecular weight is from about 1500 to about 2500.3. The marine diesel cylinder lubricating oil composition of claim 1 , wherein the polyalkene group is a polybutene group.4. The marine diesel cylinder lubricating oil composition of claim 1 , further comprising one or more marine diesel cylinder lubricating oil composition additives selected from the group consisting of an antioxidant claim 1 , a ...

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26-01-2017 дата публикации

Emulsifier components and methods of using the same

Номер: US20170022443A1
Принадлежит: Lubrizol Corp

This invention relates to an additive comprising a functional group derived from a first hydrocarbyl-substituted acylating agent and a functional group derived from a second hydrocarbyl-substituted acylating agent, where the functional groups are coupled by a functional group derived from an alkylene glycol. The invention also relates to an emulsifier component prepared by a process that utilizes the described additive and converts it to an emulsifier component by reacting it with a neutralizing component. The invention also relates to a process of making the described emulsifier component, and a method of customizing an emulsifier component in a composition by using the described additive and the described process for converting it to the described emulsifier component.

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26-01-2017 дата публикации

ASHLESS OR REDUCED ASH QUATERNARY DETERGENTS

Номер: US20170022444A1
Принадлежит:

A composition of an oil-soluble ionic detergent that does not contribute metal ions to the composition, and which comprises a quaternary non-metallic pnictogen cation and an organic anion having at least one hydrocarbyl group of sufficient length to impart oil solubility to the detergent, the detergent having a total base number (TBN) to total acid number (TAN) ratio of at least 2:1 imparts ash-free basicity to a lubricant composition. 1. A composition comprising an oil-soluble ionic detergent , which detergent comprises(a) a quaternary ammonium cation and(b) an organic anion having at least one aliphatic hydrocarbyl group of sufficient length to impart oil solubility to the detergent;said oil-soluble ionic detergent having a total base number (TBN) to total acid number (TAN) ratio of at least 2:1;wherein said oil-soluble ionic detergent exhibits a TBN of at least about 10 arising from a non-metallic base;wherein said oil-soluble ionic detergent comprises a stoichiometric excess of quaternary ammonium cations of (a) over organic anions of (b) such that said cations and anions are present in an equivalent ratio (a):(b) of at least about 2:1; andwherein the overbased detergent further comprises an additional oxo-anion which comprises a carbonate, bicarbonate, or hydroxide ion.2. (canceled)3. The composition of wherein the cation comprises a tetrahydrocarbyl ammonium ion.4. The composition of wherein the cation comprises four groups selected from the group consisting of methyl groups claim 1 , ethyl groups claim 1 , propyl groups claim 1 , butyl groups claim 1 , benzyl groups claim 1 , phenyl groups claim 1 , hydroxyalkyl groups claim 1 , aminoalkyl groups claim 1 , and mixtures thereof.5. (canceled)6. The composition of wherein the oil-soluble ionic detergent comprises a sulfonate claim 1 , carboxylate claim 1 , or phenate anion.710-. (canceled)11. The composition of wherein the oil-soluble ionic detergent has a TBN of about 50 to about 300 and a TAN of less than 10. ...

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26-01-2017 дата публикации

AN AQUEOUS LUBRICANT COMPOSITION, A METHOD FOR MAKING THE SAME AND USES THEREOF

Номер: US20170022445A1
Принадлежит:

The disclosure concerns an aqueous lubricant composition, characterized in that it comprises of: 50 wt % of water, 0.01-20 wt % of a thickening agent, 0.5-10 wt % of an antioxidant; 0.5-5 wt % of a pH regulating agent; and glycerol. There is also provided a method for manufacturing the aqueous lubricant composition, and uses of said aqueous lubricant composition. 1. An aqueous lubricant composition , characterized in that it comprises:5-50 wt % of water,0.01-20 wt % of a thickening agent,0.5-10 wt % of an antioxidant,0.5-5 wt % of a pH regulating agent, andglycerol.2. The aqueous lubricant composition according to claim 1 ,characterized in that it is biodegradable and the amount of glycerol is from 15 to 93.99 wt %.3. The aqueous lubricant composition according to claim 2 , characterized in that it consists essentially of:5-50 wt % of water,0.01-20 wt % of a thickening agent,0.5-10 wt % of an antioxidant,0.5-5 wt % of a pH regulating agent, andglycerol as balance.4. The aqueous lubricant composition according to claim 2 , characterized in that it consists of:5-50 wt % of water,0.01-20 wt % of a thickening agent,0.5-10 wt % of an antioxidant,0.5-5 wt % of a pH regulating agent, andglycerol as balance.5. (canceled)6. The aqueous lubricant composition according to claim 2 , characterized in that the amount of water is from 5 to 40 wt %.7. The aqueous lubricant composition according to claim 2 , characterized in that the amount of the thickening agent is from 0.01 to 10 wt %.8. The aqueous lubricant composition according to claim 2 , characterized in that the amount of the antioxidant is from 3 to 10 wt %.9. The aqueous lubricant composition according to claim 2 , characterized in that the amount of the pH regulating agent is from 0.5 to 3 wt %.10. The aqueous lubricant composition according to claim 2 , characterized in that the thickening agent is selected from the group consisting of: chitin claim 2 , chitosan claim 2 , dextrin claim 2 , cellulose claim 2 , starch ...

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25-01-2018 дата публикации

Use of a Boron-Containing Additive as an Inhibitor of Lead Corrosion

Номер: US20180023019A1
Принадлежит:

This invention relates to the use of a boron-containing additive in a non-aqueous lubricant composition as an inhibit or of lead corrosion associated with ashless, organic ester, anti-wear additives and/or friction modifiers. 114-. (canceled)15. A method of improving anti-corrosion properties of a non-aqueous lubricant composition comprising admixing the non-aqueous lubricant composition with a boron-containing additive.16. The method of claim 15 , wherein the non-aqueous lubricant composition is used to lubricate an internal combustion engine.17. The method of claim 15 , wherein the non-aqueous lubricant composition comprises an ashless claim 15 , organic ester claim 15 , anti-wear additive and/or friction modifier.18. The method of claim 16 , wherein an ashless claim 16 , organic ester claim 16 , anti-wear additive and/or friction modifier is provided in a liquid fuel composition used to operate the internal combustion engine claim 16 , and a portion of said ashless claim 16 , organic ester claim 16 , anti-wear and/or friction modifier ingresses into the non-aqueous lubricant composition during operation of said engine.19. The method of claim 15 , wherein the boron-containing additive is a borated dispersant.20. The method of claim 19 , wherein the borated dispersant is a borated ester.21. The method of claim 20 , wherein the borated ester is a borated succinate ester or a borated succinate ester amide.22. The method of wherein the ashless claim 15 , organic ester claim 15 , anti-wear additive and/or friction modifier isi) at least one fatty acid ester of a polyol,ii) at least one oil-soluble mono, di-, or tri-glyceride of at least one hydroxy polycarboxylic acid, or a derivative thereof;iii) at least one long chain fatty acid ester of a hydroxy carboxylic acid in which the long chain fatty acid has at least 4 carbon atoms and the ester is an oil-soluble ester of a mono- or poly-hydroxy carboxylic acid containing 1 to 4 groups which are independently carboxylic ...

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25-01-2018 дата публикации

HEAT TREATMENT OIL COMPOSITION

Номер: US20180023021A1
Принадлежит: IDEMITSU KOSAN CO., LTD

A heat treatment oil composition is provided that is capable of reducing the fluctuation in cooling capability among components subjected to mass quenching while retaining a cooling capability equivalent to the No. 1 oil of Class 2 of JIS K2242:2012 in a heat treatment of a metal material, such as quenching, and is capable of suppressing deterioration in cooling capability thereof with the lapse of time under repetition of the heat treatment. The heat treatment oil composition contains (A) a base oil and (B) at least one selected from a petroleum resin and/or a derivative of a petroleum resin, and has a characteristic time obtained from a cooling curve obtained according to the cooling capability test method of JIS K2242:2012 of 1.00 second or less and a 300° C. number of second, which is a cooling time from 800° C. to 300° C. in the cooling curve, of 6.00 seconds or more and 14.50 seconds or less. 1. A heat treatment oil composition , comprising:(A) a base oil; and(B) at least one selected from the group consisting of a petroleum resin, a derivative of a petroleum resin, and a mixture thereof,wherein the heat treatment oil composition has a characteristic time obtained from a cooling curve obtained according to the cooling capability test method of JIS K2242:2012 of 1.00 second or less, and a 300° C. number of second, which is a cooling time from 800° C. to 300° C. in the cooling curve, of 6.00 seconds or more and 14.50 seconds or less.2. The heat treatment oil composition according to claim 1 , wherein the petroleum resin claim 1 , the derivative of a petroleum resin claim 1 , or both claim 1 , has a softening point measured by the ring and ball method of JIS K2207:2006 of 40° C. or more.3. The heat treatment oil composition according to claim 2 , wherein the petroleum resin claim 2 , the derivative of a petroleum resin claim 2 , or both claim 2 , has a softening point measured by the ring and ball method of JIS K2207:2006 of 60° C. or more and 150° C. or less.4. ...

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25-01-2018 дата публикации

HEAT TREATMENT OIL COMPOSITION

Номер: US20180023022A1
Принадлежит: IDEMITSU KOSAN CO., LTD.

A heat treatment oil composition is provided that suppresses the decrease of luster in a heat treatment of a metal material, and is capable of suppressing the increase of the number of second (characteristic number of second) until reaching the temperature where the vapor blanket stage ends with the lapse of time and the decrease of the kinetic viscosity with the lapse of time. The heat treatment oil composition contains (A) a base oil and (B) a vapor blanket breaking agent selected from one or more of a petroleum resin, a terpene resin, rosin, and derivatives thereof. 1. A heat treatment oil composition , comprising(A) a base oil, and(B) at least one vapor blanket breaking agent selected from the group consisting of a petroleum resin, a terpene resin, a rosin, and derivatives thereof.2. The heat treatment oil composition according to claim 1 , wherein the vapor blanket breaking agent as the component (B) has a softening point measured by the ring and ball method of JIS K2207:2006 of 40° C. or more.3. The heat treatment oil composition according to claim 2 , wherein the vapor blanket breaking agent as the component (B) has a softening point measured by the ring and ball method of JIS K2207:2006 of 60° C. or more and 150° C. or less.4. The heat treatment oil composition according to claim 1 , wherein the base oil as the component (A) has a 40° C. kinetic viscosity of from 5 to 500 mm/s.5. The heat treatment oil composition according to claim 1 , comprising:80% by mass or more and less than 100% by mass of the base oil, andmore than 0% by mass and 20% by mass or less of the vapor blanket breaking agent,based on a total mass the total amount of the heat treatment oil composition.6. The heat treatment oil composition according to claim 1 , wherein the heat treatment oil composition has a characteristic number of second obtained from a cooling curve obtained according to the cooling capability test method of JIS K2242:2012 of 3.00 seconds or less. The present invention ...

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25-01-2018 дата публикации

Lubricating Grease Composition

Номер: US20180023023A1
Автор: Fish Gareth
Принадлежит:

The invention provides a lubricating grease composition comprising an oil of lubricating viscosity, a metallic soap thickener and a boron-containing compound, wherein the boron containing compound comprises a borate ester comprising at least one alkyl group having a branch at the β position or higher. The invention further relates to a method of lubricating a mechanical device with the lubricant composition. 1. A lubricating grease composition comprising:(a) an oil of lubricating viscosity, and(b) a metallic soap thickener(c) a borate ester comprising at least one alkyl group having 10 to about 32 carbon atoms, said alkyl group having a branch at the β or higher position.2. The lubricating grease composition of wherein the borate ester comprises multiple alkyl groups each independently having 10 to about 32 carbon atoms claim 1 , said alkyl groups having a branch at the β or higher position.3. The lubricating grease composition of wherein the alkyl group is branched at the β position.4. The lubricating grease composition of wherein the alkyl group has a structure represented by —CH—C(R)(R)H claim 1 , where Ris an alkyl group of 7 to about 18 carbon atoms and Ris an alkyl group having fewer carbon atoms than R.5. The lubricating grease composition of wherein the alkyl group has a structure represented by —CH—C(R)(R)H claim 1 , where Ris an alkyl group of 7 to about 18 carbon atoms and Ris an alkyl group having 4 fewer carbon atoms than R.6. The lubricating grease composition of wherein the alkyl group is a 2-propylheptyl group claim 1 , a 2-butyloctyl group claim 1 , a 2-hexyldecyl group claim 1 , or a 2-octyldodecyl group.7. The lubricating grease composition of wherein the alkyl group is derived from a Guerbet alcohol.9. The lubricating grease composition of wherein the borate ester comprises a trialkylborate.11. The lubricating grease of wherein the metallic soap is reaction of an alkali or alkaline earth metal with a fatty acid.12. The lubricating grease ...

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25-01-2018 дата публикации

REFRIGERATOR OIL AND WORKING FLUID COMPOSITION FOR REFRIGERATORS

Номер: US20180023025A1
Принадлежит: JXTG NIPPON OIL & ENERGY CORPORATION

The present invention provides a refrigerating machine oil comprising: a base oil containing an ester of dipentaerythritol with 2-methylbutanoic acid and n-pentanoic acid; and at least one epoxy compound selected from the group consisting of a glycidyl ester compound and a glycidyl ether compound, the refrigerating machine oil being used with a difluoromethane refrigerant. 1. A refrigerating machine oil comprising:a base oil comprising an ester of dipentaerythritol with 2-methylbutanoic acid and n-pentanoic acid; andat least one epoxy compound selected from the group consisting of a glycidyl ester compound and a glycidyl ether compound.2. The refrigerating machine oil according to claim 1 , wherein a ratio of the ester in the base oil is 30% by mass or more and 100% by mass or less.3. The refrigerating machine oil according to claim 1 , wherein a content of the epoxy compound is 0.01% by mass or more and 5.0% by mass or less based on a total amount of the refrigerating machine oil.4. A working fluid composition for a refrigerating machine claim 1 , comprising: a base oil comprising an ester of dipentaerythritol with 2-methylbutanoic acid and n-pentanoic acid; and', 'at least one epoxy compound selected from the group consisting of a glycidyl ester compound and a glycidyl ether compound; and, 'a refrigerating machine oil comprisinga refrigerant comprising a difluoromethane refrigerant.5. The working fluid composition for a refrigerating machine according to claim 4 , wherein a ratio of the ester in the base oil is 30% by mass or more and 100% by mass or less.6. The working fluid composition for a refrigerating machine according to claim 4 , wherein a content of the epoxy compound is 0.01% by mass or more and 5.0% by mass or less based on a total amount of the refrigerating machine oil. The present invention relates to a refrigerating machine oil and a working fluid composition for a refrigerating machine.Refrigerating machines such as refrigerators, car air- ...

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25-01-2018 дата публикации

Lubricating oil composition for internal combustion engine

Номер: US20180023026A1
Автор: Shintaro KUSUHARA
Принадлежит: JXTG Nippon Oil and Energy Corp

Provided is a lubricating oil composition for internal combustion engine, which further reduces the friction to exhibit excellent fuel efficiency performance. A lubricating oil composition for internal combustion engine, which contains (A) a lubricant base oil having a dynamic viscosity of 2.0 to mm 2 /s at 100° C., (B) a molybdenum-based friction modifier in an amount of 0.005 to 0.2% by mass, in terms of a molybdenum content, based on the mass of the composition, (C) a salicylate-based metal detergent in an amount of 0.01 to 1% by mass, in terms of a metal content, based on the mass of the composition, and (D) at least one compound selected from amino acids having an alkyl group, alkenyl group, or acyl group having 15 to 24 carbon atoms and/or derivatives thereof in an amount of 0.01 to 10% by mass.

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25-01-2018 дата публикации

Estolide Compositions Exhibiting Superior High-Performance Properties

Номер: US20180023027A1
Автор: Jakob Bredsguard
Принадлежит: Biosynthetic Technologies LLC

Compounds and compositions, including engine oils and lubricant formulations comprising at least one estolide compound. Exemplary compositions comprise an estolide base oil and an additive package.

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25-01-2018 дата публикации

Water-Based Lubricants for Conveyor Belts

Номер: US20180023029A1
Принадлежит:

The invention relates to water-based lubricants for conveyor belts. More particularly, the invention relates to water-based lubricants for conveyor belts for the drinks industry. 1. Water-based lubricant composition for conveyor belts , comprising:4% to 30% by weight of at least one viscosifying component,0.05% to 10% by weight of preservative substances that provide protection from soiling,water to 100% by weight,characterized in that the viscosifying component is a water-soluble carboxylic ester, or a mixture of a water-soluble carboxylic ester and a low molecular weight polyalkylene glycol.2. Lubricant composition according to claim 1 , further comprising one or more components selected from the group consisting of:0.05% to 5% by weight of antiwear agent,0.05% to 15% by weight of antifreeze,0.05% to 15% by weight of anticorrosive,0.05% to 5% by weight of antiwear agent,0.05% to 5% by weight of defoamer,0.05% to 5% by weight of wetting agent,0.05% to 5% by weight of biocides,0.005% to 2% by weight of fragrances.3. Lubricant composition according to claim 1 , characterized in that the preservative substances that provide protection from soiling are a compound or mixture selected from the group consisting of foaming or non-foaming emulsifiers from the class of ionic and nonionic surfactants.4. Lubricant composition according to claim 2 , characterized in that the antiwear agent is a water-soluble compound containing sulfur claim 2 , phosphorus and/or nitrogen.5. Lubricant composition according to claim 2 , characterized in that the antifreeze is a compound selected from the group consisting of mono- and polyhydric alcohols and derivatives thereof.6. Lubricant composition according to claim 2 , characterized in that the anticorrosive is a compound selected from the group consisting of neutralized and non-neutralized carboxylic acids claim 2 , neutralized phosphoric acids and/or phosphoric acid derivatives claim 2 , benzoic acid and/or benzoic acid derivatives claim 2 ...

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24-01-2019 дата публикации

COMPOSITION BASED ON 1,3,3,3-TETRAFLUOROPROPENE

Номер: US20190023956A1
Принадлежит: Arkema France

A composition including a lubricant based on polyol esters (POEs) or PVE and a refrigerant F including from 1 to 99% by weight of trans-1,3,3,3-tetrafluoropropene (trans-HFO-1234ze) and from 1 to 99% by weight of 1,1,1,2-tetrafluoroethane. Also, the use of the composition including a lubricant and refrigerant in refrigeration, air conditioning and heat pumps. 17-. (canceled)8. A composition comprising at least one lubricant comprising at least one polyol ester or at least one polyvinyl ether and a refrigerant comprising from 5 to 10% by weight of trans-1 ,3 ,3 ,3-tetrafluoropropene (trans-HFO-1234ze) and from 10 to 30% by weight of 1 ,1 ,1 ,2-tetrafluoroethane.9. The composition according to claim 8 , wherein the refrigerant comprises from 5 to 10% by weight of trans-1 claim 8 ,3 claim 8 ,3 claim 8 ,3-tetrafluoropropene (trans-HFO-1234ze) and from 20 to 30% by weight of 1 claim 8 ,1 claim 8 ,1 claim 8 ,2-tetrafluoroethane.10. The composition according to claim 8 , wherein the at least one lubricant comprises at least one polyol ester claim 8 , wherein the at least one polyol ester is obtained from a polyol having a neopentyl backbone.11. The composition according to claim 10 , wherein the polyol having a neopentyl backbone is selected from the group consisting of neopentyl glycol claim 10 , trimethylolpropane claim 10 , and dipentaerythritol.12. The composition according to claim 8 , wherein the at least one lubricant comprises at least one polyol ester claim 8 , wherein the at least one polyol ester is obtained from a linear or branched carboxylic acid containing from 2 to 15 carbon atoms.13. The composition according to claim 8 , wherein the at least one lubricant comprises at least one polyol ester claim 8 , wherein the at least one polyol ester is between 10 and 50% by weight of the composition.14. The composition according to claim 8 , wherein the polyvinyl ether represents between 10 and 50% by weight of the composition.16. The composition according to claim ...

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24-01-2019 дата публикации

MINERAL BASE OIL AND LUBRICATING OIL COMPOSITION

Номер: US20190024004A1
Принадлежит: IDEMITSU KOSAN CO., LTD.

Provided is a mineral base oil having a kinematic viscosity at 40° C. of 4.0 mm/s or more and less than 6.0 mm/s, a kinematic viscosity at 100° C. of 1.0 mm/s or more and less than 2.0 mm/s, and a flash point of 140° C. or higher. A lubricating oil composition containing the mineral base oil has a high flash point while having a low viscosity and thus having excellent fuel-saving performance when used as a driving system oil and the like. 1: A mineral base oil having:{'sup': 2', '2, 'a kinematic viscosity at 40° C. of 4.0 mm/s or more and less than 6.0 mm/s,'}{'sup': 2', '2, 'a kinematic viscosity at 100° C. of 1.0 mm/s or more and less than 2.0 mm/s, and'}a flash point of 140° C. or higher.2: The mineral base oil according to claim 1 , wherein a temperature gradient Δ|η*| of complex viscosity between two temperature points −10° C. and −25° C. is 0.1 Pa·s/° C. or less as measured with a rotary rheometer under conditions at an angular velocity of 6.3 rad/s and a strain amount of 0.1 to 100%.3: The mineral base oil according to claim 1 , wherein the kinematic viscosity at 100° C. is 1.5 mm/s or more and less than 2.0 mm/s.4: The mineral base oil according to claim 1 , wherein a feedstock oil for the mineral base oil has a proportion of an n-paraffin component of 50% by volume or less based on 100% by volume of the total amount of an aroma component claim 1 , a naphthene component claim 1 , the n-paraffin component claim 1 , and an isoparaffin component.5: The mineral base oil according to claim 1 , wherein a feedstock oil for the mineral base oil has a 10 volume percent distillation temperature of 250° C. or higher and a 90 volume percent distillation temperature of 320° C. or higher in a distillation test in accordance with JIS K2254.6: The mineral base oil according to claim 1 , wherein a feedstock oil for the mineral base oil has a kinematic viscosity at 40° C. of 4.0 to 6.0 mm/s and a kinematic viscosity at 100° C. of 1.0 to 2.0 mm/s.7: The mineral base oil ...

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24-01-2019 дата публикации

Motorcycle Lubricant

Номер: US20190024007A1
Принадлежит: Infineum International Limited

It has been found that the balance between friction reduction in the engine crankcase and the maintenance of sufficient friction in the clutch assembly of a 4T motorcycle, where the engine crankcase and the clutch assembly are lubricating by the same lubricating oil composition from a common sump, can be achieved by use of a lubricating oil composition comprising a combination of molybdenum containing additive and ashless organic friction modifier. 1. A motorcycle having a four cycle engine and a transmission including a clutch assembly , the engine crankcase and the clutch assembly being lubricated by a lubricating oil composition provided from a common sump , wherein said lubricating oil composition comprises a major amount of oil of lubricating viscosity and minor amounts of (A) an oil soluble molybdenum compound and (B) an ashless organic friction modifier , wherein the lubricating oil composition comprises at least 30 ppm and no more than 500 ppm of molybdenum from the oil-soluble molybdenum compound (A).2. (canceled)3. (canceled)4. (canceled)5. A motorcycle as claimed in claim 1 , wherein the oil-soluble molybdenum compound consists of either a molybdenum dithiocarbamate or a molybdenum dithiophosphate or a mixture thereof claim 1 , as the sole source of molybdenum atoms in the lubricating oil composition.6. A motorcycle as claimed in claim 5 , wherein the oil-soluble molybdenum compound consists of a molybdenum dithiocarbamate claim 5 , as the sole source of molybdenum atoms in the lubricating oil composition.7. A motorcycle as claimed in claim 1 , wherein the lubricating oil composition wherein the ashless organic friction modifier (B) comprises at least one of (a) a nitrogen-free organic friction modifier comprising an ester formed by reacting carboxylic acids and anhydrides with alkanols claim 1 , (b) an aminic or amine-based friction modifiers comprising alkoxylated mono- and di-amines claim 1 , (c) an ester formed as the reaction product of (i) a ...

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24-01-2019 дата публикации

LUBRICATING OIL COMPOSITION AND METHOD FOR PRODUCING LUBRICATING OIL COMPOSITION

Номер: US20190024009A1
Принадлежит: IDEMITSU KOSAN CO., LTD.

Provided is a lubricating oil composition containing a base oil (A); a molybdenum dithiophosphate (B1) in an amount of 400 ppm by mass or more as expressed in terms of a molybdenum atom; an organic metal-based detergent (C1) containing a metal atom selected from an alkali metal atom and an alkaline earth metal atom in an amount of 1,400 ppm by mass or less as expressed in terms of the metal atom; and a hindered amine-based antioxidant (D1) in an amount of 900 ppm by mass or more as expressed in terms of a nitrogen atom, with a sulfated ash content being 0.70% by mass or less. The lubricating oil composition may be one in which the detergency, the wear resistance, and the friction-reducing effect are improved with a well balance while reducing the ash content. 1. A lubricating oil composition , comprising:(A) a base oil (A);(B1) a molybdenum dithiophosphate (B1) in an amount of 400 ppm by mass or more as expressed in terms of a molybdenum atom;(C1) an organic metal-based detergent (C1) comprising a metal atom selected from the group consisting of an alkali metal atom and an alkaline earth metal atom in an amount of 1,400 ppm by mass or less as expressed in terms of the metal atom; and(D1) a hindered amine-based antioxidant (D1) in an amount of 900 ppm by mass or more as expressed in terms of a nitrogen atom,wherein a sulfated ash content of the lubricating oil composition is 0.70% by mass or less.2. The lubricating oil composition according to claim 1 ,wherein a content of a molybdenum dithiocarbamate (B2), as expressed in terms of a molybdenum atom, is 600 ppm by mass or less on the basis of the whole amount of the lubricating oil composition.3. The lubricating oil composition according to claim 1 , further comprising:(E1) a zinc dithiophosphate (E1).4. The lubricating oil composition according to claim 3 , wherein a content of the component (E1) as expressed in terms of a zinc atom is from 100 to 700 ppm by mass on the basis of the whole amount of the lubricating ...

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24-01-2019 дата публикации

STABLE LUBRICANT EMULSION

Номер: US20190024012A1
Автор: Daly Daniel
Принадлежит:

A stable lubricant emulsion composition for use in engine and gear applications is provided. The emulsion includes a base petroleum oil, an aqueous salt solution that functions as a friction/wear modifier, and a polymeric non-ionic surfactant composition having a hydrophilic-lipophilic balance value in the range of 2.5 to 7 and an average molecular weight in the range of 1,000 to 3,000. The surfactant composition may include a polyester surfactant, a PIB succinimide surfactant, a PIB amine surfactant, or a mixture thereof. 1. A lubricant composition , said composition comprising a water-in-oil emulsion comprising:a base oil;a friction modifier in the form of an aqueous salt solution; and 'wherein the dispersant has an average molecular weight in the range of 1,000 to 3,000 and a hydrophilic-lipophilic balance value in the range of 2.5 to 7.', 'a polymeric dispersant in an amount effective to form a stable emulsion,'}2. The lubricant composition of claim 1 , wherein the dispersant has a hydrophilic-lipophilic balance value in the range of 4 to 6.3. The lubricant composition of claim 1 , wherein the dispersant has an average molecular weight in the range of 1 claim 1 ,000 to 2 claim 1 ,000.4. The lubricant composition of claim 1 , wherein the dispersant comprises a polyester surfactant claim 1 , a PIB succinimide surfactant claim 1 , a PIB amine surfactant claim 1 , or a mixture thereof.5. The lubricant composition of claim 1 , wherein the dispersant comprises a polyester surfactant mixed with a PIB succinimide surfactant.6. The lubricant composition of claim 1 , wherein the dispersant comprises a polyester surfactant mixed with a PIB amine surfactant.7. The lubricant composition of claim 1 , wherein the emulsion is stable for at least six weeks.8. A method for formulating a water-in-oil emulsion comprising: a base oil; a friction modifier in the form of an aqueous salt solution; and a polymeric dispersant having an average molecular weight in the range of 1 claim 1 , ...

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24-01-2019 дата публикации

LUBRICATING COMPOSITION WITH ENHANCED FILTERABILITY

Номер: US20190024014A1

A lubricating oil composition that includes a highly paraffinic base oil, a controlled release friction modifier (CRFM) and an effective amount of detergent. The CRFM includes an ionic tetrahedral borate compound comprising a cation and a tetrahedral borate anion which includes a boron atom, the boron atom having two bidentate di-oxo ligands of Ctartrimide. The CRFM is a high stabilizer CRFM. The detergent includes a mixed magnesium and calcium detergent system having a calcium to magnesium ratio of less than 2:1. 1. A lubricating oil composition , comprising:a base oil comprising a highly paraffinic base oil; a tetrahedral borate anion having a boron atom with two bidentate di-oxo ligands both being a linear C18-tartrimide,', 'a first dispersant comprising a conventional ammonium substituted polyisobutenyl succinimide compound having a polyisobutenyl number average molecular weight of 750 to 2,500, and', 'a second dispersant comprising an ammonium substituted polyisobutenyl succinimde compound having an N:CO ratio of 1.8 and a polyisobutylenyl number average molecular weight of 750 to 2,500; and, 'a controlled release friction modifier (CRFM), includingan effective amount of a detergent.2. The lubricating oil composition of claim 1 , wherein the detergent comprises a mixed magnesium and calcium detergent system.3. The lubricating oil composition of claim 2 , wherein the mixed magnesium and calcium detergent system has a ratio of calcium to magnesium of less than 2:1.4. The lubricating oil composition of claim 2 , wherein the mixed magnesium and calcium detergent system has a calcium:magnesium ratio of 1.44:1.5. The lubricating oil composition of claim 1 , wherein the CRFM is a high stabilizer CRFM.6. The lubricating oil composition of claim 2 , wherein the CRFM is a high stabilizer CRFM.7. The lubricating oil composition of claim 1 , wherein the CRFM is present in a range of about 2 to 8 wt % claim 1 , based on the total weight of the composition.8. The lubricating ...

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24-01-2019 дата публикации

Lubricant composition promoting sustained fuel economy

Номер: US20190024015A1
Принадлежит: ExxonMobil Research and Engineering Co

A lubricant composition includes a controlled release friction modifier (CRFM), a highly paraffinic base stock, a dispersant and a detergent. The CRFM includes an ionic tetrahedral borate compound including a cation and a tetrahedral borate anion, wherein the tetrahedral borate anion comprises a boron atom having two bidentate di-oxo ligands of C18 tartrimide. The lubricant composition can also include at least one of a Group V co-base stock, an inorganic friction modifier, a viscosity modifier, and a cleanliness booster.

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24-01-2019 дата публикации

LUBRICATING OIL COMPOSITION, LUBRICATION METHOD, AND TRANSMISSION

Номер: US20190024016A1
Автор: Narita Keiichi
Принадлежит: IDEMITSU KOSAN CO., LTD.

Provided are: a lubricating oil composition containing a mineral oil (A) having a kinematic viscosity at 40° C. of 5 to 15 mm/s and a flash point of 180° C. or higher, a synthetic oil (B) having a kinematic viscosity at 40° C. of 5 to 15 mm/s and a flash point of 190° C. or higher, an amide compound (C) and a polyol ester compound (D), which has a low viscosity and fuel saving performance, which can be used in high-temperature environments, and which has excellent gear anti-seizing property and anti-shudder performance; and a lubrication method and a transmission using the lubricating oil composition. 1. A lubricating oil composition , comprising:{'sup': '2', '(A) a mineral oil (A) having a kinematic viscosity at 40° C. of 5 to 15 mm/s and a flash point of 180° C. or higher;'}{'sup': '2', '(B) a synthetic oil (B) having a kinematic viscosity at 40° C. of 5 to 15 mm/s and a flash point of 190° C. or higher;'}(C) an amide compound (C); and(D) a polyol ester compound (D).2. The lubricating oil composition according to claim 1 , wherein the amide compound (C) is a reaction product of an amine compound and a carboxylic acid compound.3. The lubricating oil composition according to claim 2 , wherein the amine compound is an aliphatic polyamine having 6 to 30 carbon atoms claim 2 , and the carboxylic acid compound is a carboxylic acid having 6 to 30 carbon atoms.4. The lubricating oil composition according to claim 1 , wherein the polyol ester compound (D) is a reaction product of a polyol and a carboxylic acid compound.5. The lubricating oil composition according to claim 4 , wherein the polyol is an aliphatic polyol having 2 to 15 carbon atoms claim 4 , and the carboxylic acid compound is a carboxylic acid having 12 to 24 carbon atoms.6. The lubricating oil composition according to claim 1 , wherein the content of the synthetic oil (B) is from 3 to 50% by mass based on the total amount of the composition.7. The lubricating oil composition according to claim 1 , wherein ...

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23-01-2020 дата публикации

LUBRICATING OIL COMPOSITIONS WITH OXIDATIVE STABILITY IN DIESEL ENGINES USING BIODIESEL FUEL

Номер: US20200024538A1
Принадлежит:

A method for improving oxidative stability of a lubricating oil in a diesel engine, in which biodiesel fuel is used with diesel fuel in the diesel engine, by using as the lubricating oil a formulated oil. The formulated oil has a composition including at least one Group V lubricating oil base stock. The at least one Group V lubricating oil base stock is present in an amount from 1 to 75 weight percent, based on the total weight of the lubricating oil. Oxidative stability is improved in a diesel engine lubricated with the lubricating oil, as compared to oxidative stability achieved in a diesel engine lubricated with a lubricating oil not having the at least one Group V lubricating oil base stock, as determined by a CEC L-109-16 Bio-Diesel Oxidation Bench test. The lubricating oils are useful as passenger vehicle engine oil (PVEO) products or commercial vehicle engine oil (CVEO) products. 1. A method for improving oxidative stability of a lubricating oil in a diesel engine , wherein biodiesel fuel is used with diesel fuel in the diesel engine , by using as the lubricating oil a formulated oil , said formulated oil having a composition comprising at least one Group V lubricating oil base stock; wherein the at least one Group V lubricating oil base stock is present in an amount from 1 to 75 weight percent , based on the total weight of the lubricating oil; and wherein oxidative stability is improved in a diesel engine lubricated with the lubricating oil , as compared to oxidative stability achieved in a diesel engine lubricated with a lubricating oil not having the at least one Group V lubricating oil base stock , as determined by a CEC L-109-16 Bio-Diesel Oxidation Bench test.2. The method of wherein claim 1 , in a CEC L-109-16 Bio-Diesel Oxidation Bench test claim 1 , the time for a relative kinematic viscosity at 100° C. (KV100) increase of 100% of said lubricating oil claim 1 , is greater than the time for a relative kinematic viscosity at 100° C. (KV100) increase ...

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23-01-2020 дата публикации

SYNTHETIC LUBRICANT COMPOSITIONS HAVING IMPROVED OXIDATION STABILITY

Номер: US20200024541A1
Принадлежит: Dow Global Technologies LLC

Embodiments of the present disclosure directed towards synthetic lubricant compositions. In various embodiments, the present disclosure provides a synthetic lubricant compositions including an aromatic amine antioxidant comprising 0.25 to 5 weight percent of a total weight of the synthetic lubricant composition, dithiocarbamate antioxidant comprising 0.25 to 5 weight percent of the total weight of the synthetic lubricant composition, and a polyalkylene glycol PAG comprising 99.25 to 85 weight percent of the total weight of the synthetic lubricant composition, where the synthetic lubricant composition has a total acidic number (TAN) increase of 2 milligrams of potassium hydroxide per gram of the synthetic lubricant composition over 27 days or greater as measured in accordance with modified ASTM D-664, and where the synthetic lubricant composition does not include any of a Group I, II, III, IV base oil. 1. A synthetic lubricant composition comprising:an aromatic amine antioxidant comprising 0.25 to 5 weight percent of a total weight of the synthetic lubricant composition;dithiocarbamate antioxidant comprising 0.25 to 5 weight percent of the total weight of the synthetic lubricant composition; anda polyalkylene glycol (PAG) comprising 99.25 to 85 weight percent of the total weight of the synthetic lubricant composition, wherein the synthetic lubricant composition has a total acidic number (TAN) increase of 2 milligrams of potassium hydroxide per gram of the synthetic lubricant composition over 27 days or greater as measured in accordance with ASTM D664, and wherein the synthetic lubricant composition does not include any of a Group I, II, III, IV base oil.2. The synthetic lubricant composition of claim 1 , wherein the aromatic amine antioxidant is an alkylated diphenylamine.3. The synthetic lubricant composition of claim 1 , wherein the dithiocarbamate antioxidant comprises an ashless dialkyl dithiocarbamate claim 1 , a metal dialkyl dithiocarbamate claim 1 , or ...

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23-01-2020 дата публикации

POLYMERIC VISCOSITY MODIFIERS FOR USE IN LUBRICANTS

Номер: US20200024542A1
Принадлежит: AFTON CHEMICAL CORPORATION

A lubricating oil composition having greater than 50 wt % of a base oil and 0.1 wt % to 20 wt %, both based on the total weight of the lubricating oil composition, of a dispersant viscosity modifier obtainable by: 2. The lubricating oil composition of claim 1 , wherein the dispersant viscosity modifier is present in an amount of from about 0.1 wt % to about 10 wt % claim 1 , based on the total weight of the lubricating oil composition.3. The lubricating oil composition of claim 1 , wherein the dispersant viscosity modifier is present in an amount of from about 0.5 wt % to about 8 wt % claim 1 , based on the total weight of the lubricating oil composition.4. The lubricating oil composition of claim 1 , wherein the dispersant viscosity modifier is present in an amount of 1 wt % to about 5 wt % claim 1 , based on the total weight of the lubricating oil composition.5. The lubricating oil composition of claim 1 , wherein the base oil is selected from a Group II base oil having at least 90 wt % saturates claim 1 , a Group III base oil having at least 90 wt % saturates claim 1 , a Group IV base oil claim 1 , a Group V base oil and mixtures of two or more thereof .6. The lubricating oil composition of claim 1 , wherein the copolymer is an ethylene-propylene copolymer.7. The lubricating oil composition of claim 1 , wherein the copolymer is acylated with an ethylenically unsaturated acylating agent having at least one carboxylic acid or carboxylic anhydride group.8. The lubricating oil composition of claim 7 , wherein the acylating agent is maleic anhydride.10. The lubricating oil composition of claim 9 , wherein component b) is selected from the group consisting of 1-(2-amino-ethyl)imidazolidin-2-one claim 9 , 4-(3-aminopropyl) morpholine claim 9 , 3-(dimethylamino)-1-propylamine claim 9 , N-phenyl-p-phenylenediamine claim 9 , N-(3-aminopropyl)-2-pyrrolidinone claim 9 , aminoethyl-acetamide claim 9 , β-alanine methyl ester claim 9 , -(3-aminopropyl)imidazole claim 9 , ...

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23-01-2020 дата публикации

ELECTRORHEOLOGICAL FLUID

Номер: US20200024543A1
Автор: QIU Zhaohui, XIONG Xiaomin
Принадлежит: SUN YAT-SEN UNIVERSITY

The present invention provides an electrorheological fluid, which includes a dielectric particle, a conductor particle and insulating oil, and the dielectric particle is evenly dispersed in the insulating oil; wherein the conductor particle is evenly dispersed in the insulating oil or inlaid in an interior and on a surface of the dielectric particle. The electrorheological fluid has the advantages of high shear stress, long service life, good temperature stability and small leakage current. 1. An electrorheological fluid , comprising a dielectric particle , a conductor particle and insulating oil , wherein the dielectric particle is evenly dispersed in the insulating oil , and the conductor particle is evenly dispersed in the insulating oil or inlaid in an interior and on a surface of the dielectric particle.2. The electrorheological fluid according to claim 1 , wherein the dielectric particle has a dielectric constant greater than 10 and a resistivity greater than 10 Ω·m.3. The electrorheological fluid according to claim 2 , wherein the dielectric particle is selected from one or more of TiO claim 2 , CaTiO claim 2 , BaTiO claim 2 , SrTiOand LaTiO.4. The electrorheological fluid according to claim 1 , wherein when a temperature is less than 20° C. claim 1 , the conductor particle is a solid with a resistivity less than 10Ω·m claim 1 , and the conductor particle is selected from one or more of metal claim 1 , carbon and a conductive organic matter.5. The electrorheological fluid according to claim 4 , wherein the metal is one or more of Ag claim 4 , Al claim 4 , Au claim 4 , Cu claim 4 , Fe claim 4 , Hf claim 4 , In claim 4 , Nd claim 4 , Ni claim 4 , Pd claim 4 , Pt claim 4 , Rh claim 4 , Ru claim 4 , Sm claim 4 , Sn claim 4 , Ti claim 4 , V claim 4 , Y and Zr;the carbon is one or more of amorphous carbon, graphite, graphene and reduced graphene oxide; andthe conductive organic matter is one or more of polyacetylene, polythiophene, polypyrrole, polyaniline, ...

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23-01-2020 дата публикации

LUBRICANT COMPOSITION, COMPOSITION FOR REFRIGERATING MACHINES, AND METHOD FOR DETECTING LEAKAGE POINT

Номер: US20200024544A1
Автор: KANEKO Masato
Принадлежит: IDEMITSU KOSAN CO., LTD.

Provided is a lubricant composition which is excellent in thermal stability and chemical stability while making it possible to detect a leakage point of the lubricant composition, etc. with a fluorescent agent. The lubricant composition is one containing a base oil (A) and a fused ring compound (B) being fluorescent, having a tri- or higher fused ring, and not having nitrogen, oxygen, and sulfur in a molecule thereof, wherein the fused ring compound (B) is contained in an amount of 0.001 to 1.0% by mass on a basis of the whole amount of the lubricant composition. 1: A lubricant composition , comprising(A) a base oil (A); and(B) a fluorescent fused ring compound (B) being fluorescent, having a tri- or higher fused ring, and not having nitrogen, oxygen, and sulfur in a molecule thereof,wherein the fused ring compound (B) is contained in an amount of 0.001 to 1.0% by mass on a basis of the whole amount of the lubricant composition.2: The lubricant composition according to claim 1 , wherein the base oil (A) is at least one selected from the group consisting of a mineral oil claim 1 , a polyalkylene glycol claim 1 , a polyvinyl ether claim 1 , a polyol ester claim 1 , an alkylbenzene claim 1 , and a poly-α-olefin.3: The lubricant composition according to claim 1 , wherein the fused ring compound (B) is at least one selected from the group consisting of a perylene-based compound claim 1 , a naphthacene-based compound claim 1 , and an anthracene-based compound.4: The lubricant composition according to claim 1 , further comprising(C) a coloring agent (C).5: The lubricant composition according to claim 1 , which is adapted to function as a lubricant composition for any of a refrigerator oil claim 1 , a hydraulic oil claim 1 , a bearing oil claim 1 , a gear oil claim 1 , a turbine oil claim 1 , a transmission oil claim 1 , a shock absorber oil claim 1 , and a motor cooling oil.6: A composition for refrigerating machines claim 1 , the composition comprising the lubricant ...

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25-01-2018 дата публикации

Lubricant for Magnetic Recording Medium, and Magnetic Recording Medium

Номер: US20180025748A1
Принадлежит:

A lubricant for a magnetic recording medium including an ionic liquid including a Bronsted acid and a Bronsted base that is primary amine as constituents of the ionic liquid, wherein the Bronsted acid includes a fluorine-containing chain, the Bronsted base includes a fluorine-containing chain that is a perfluoroalkyl chain or a perfluoropolyether chain, wherein the fluorine-containing chain in the Bronsted acid is a perfluoropolyether chain or the fluorine-containing chain in the Bronsted base is the perfluoropolyether chain, or the fluorine-containing chain in the Bronsted acid is the perfluoropolyether chain and the fluorine-containing chain in the Bronsted base is the perfluoropolyether chain, and a number average molecular weight of the fluorine-containing chain in the Bronsted acid is 1,500 or less. 1. A lubricant for a magnetic recording medium , comprising:an ionic liquid including a Bronsted acid and a Bronsted base that is primary amine as constituents of the ionic liquid,wherein the Bronsted acid includes a fluorine-containing chain,wherein the Bronsted base includes a fluorine-containing chain that is a perfluoroalkyl chain or a perfluoropolyether chain,wherein the fluorine-containing chain in the Bronsted acid is a perfluoropolyether chain or the fluorine-containing chain in the Bronsted base is the perfluoropolyether chain, or the fluorine-containing chain in the Bronsted acid is the perfluoropolyether chain and the fluorine-containing chain in the Bronsted base is the perfluoropolyether chain, andwherein a number average molecular weight of the fluorine-containing chain in the Bronsted acid is 1,500 or less.2. The lubricant for a magnetic recording medium according to claim 1 ,wherein the number average molecular weight of the fluorine-containing chain in the Bronsted acid is 500 or less.3. The lubricant for a magnetic recording medium according to claim 1 ,wherein the Bronsted acid is sulfonic acid including the fluorine-containing chain or sulfonyl ...

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02-02-2017 дата публикации

METHOD OF SELECTING REFRIGERANT-LUBRICANT COMBINATIONS

Номер: US20170029680A1
Принадлежит:

The present invention provides methods for selecting refrigerant and lubricant combinations for use in heat transfer cycle systems and provides methods for operating said heat transfer system. More particularly, the invention provides methods to select lubricant and refrigerant combinations for a heat transfer cycle system wherein at the lower temperatures of the heat transfer cycle the refrigerant and lubricant are miscible and at the upper temperatures of the heat transfer cycle the refrigerant and lubricant are phase separated and such that the density phase inversion temperature of the combination is below the upper operating temperature of the heat transfer cycle. 1. A method of operating a vapor-compression heat transfer system containing a refrigerant and a lubricant combination comprising:a. determining a lower, evaporator discharge operating temperature range of a vapor-compression heat transfer system;b. determining an upper, compressor discharge operating temperature range of the vapor-compression heat transfer system; andc. wherein said refrigerant is selected from hydrofluorocarbons (HFCs), hydrofluoroolefis (HFOs), hydrochlorofluorocarbos (HCFCs), hydrochlorofluoroolefins (HCFOs), hydrocarbons (HCs), carbon dioxide, ammonia, dimethyl ether, or mixtures thereof at a first concentration and said lubricant is selected from polyalkylene glycols (PAGs), polyol esters (POEs), polyvinyl ethers (PVEs), polyglycols, polyalkylene glycol esters, alkyl benzenes, mineral oils, polyalphaolefins, or mixtures thereof at a second concentration and wherein said refrigerant and said lubricant are miscible at a first temperature within said lower, evaporator discharge operating temperature range and produce a fluid system having a refrigerant-rich phase and a lubricant-rich phase at a second temperature within said upper, compressor discharge operating temperature range provided that said second temperature is higher than said first temperature, wherein the lubricant-rich ...

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02-02-2017 дата публикации

Lubricant for preventing and removing carbon deposits in internal combustion engines

Номер: US20170029734A1

A lubricant formulation which is effective to remove or prevent carbon deposits in internal combustion engines has a solvency as defined by aniline point from about 20 to about 115, a volatility (as measured by NOACK) of less than 15%, an oxidative stability (as measured by PDSC) of above 40 minutes and a base oil viscosity of above 2 and below 10 cSt. The lubricant formulation can be formed from a blend of Group III, IV and V lubricants, in particularly polyalphaolefins, alkylated naphthalenes and polar Group V base stocks such as polyol esters. The carbon deposits can be removed from the engine piston by simply running the engine with the lubricant for one required cycle, or can be used continuously in the engine to prevent buildup.

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02-02-2017 дата публикации

LUBRICANT COMPOSITIONS COMPRISING EPOXIDE COMPOUNDS

Номер: US20170029737A1
Принадлежит: BASF SE

A lubricant composition including an epoxide compound is disclosed. An additive package including the epoxide compound is also disclosed. The epoxide compound of the lubricant composition acts to improve compatibility of the lubricant composition with a fluoropolymer seal and improve the total base number of the lubricant composition. 2. The lubricant composition of wherein said epoxide compound is a polyepoxide compound including at least two oxirane rings per molecule of the polyepoxide compound.4. The lubricant composition of wherein said epoxide compound is included in an amount of from 0.05 to 5 wt. % based on a total weight of said lubricant composition.5. The lubricant composition of wherein said epoxide compound has a weight average molecular weight of from 30 to 1500.6. The lubricant composition of wherein said epoxide compound has a boiling point of from 50 to 450° C. at 1 atmosphere of pressure.7. The lubricant composition of wherein said epoxide compound has a flash point of from 25 to 250° C. at 1 atmosphere of pressure.8. The lubricant composition of wherein at least 50 wt. % of said epoxide compound remains unreacted in said lubricant composition based on a total weight of said epoxide compound utilized to form said lubricant composition prior to any reaction in said lubricant composition.9. The lubricant composition of wherein said lubricant composition is a crankcase lubricant composition.10. (canceled)11. The lubricant composition of wherein said sterically hindered amine compound is included in an amount of from 0.1 to 10 wt. % based on a total weight of said lubricant composition.12. The lubricant composition of wherein said sterically hindered amine compound is (2 claim 11 ,2 claim 11 ,6 claim 11 ,6-tetramethyl-4-piperidyl) dodecanoate.13. The lubricant composition of further comprising an antiwear additive comprising phosphorous.14. The lubricant composition of wherein said antiwear additive comprising phosphorous is included in said lubricant ...

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