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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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Форма поиска

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 17340. Отображено 200.
30-01-1982 дата публикации

Смазочная композиция

Номер: SU902672A3

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23-08-1989 дата публикации

Смазочно-охлаждающая композиция для холодной обработки металлов

Номер: SU1503684A3
Автор: МИКЛОШ ПЕРЛ

Изобретение касается смазочно-охлаждающих жидкостей, используемых при глубокой вытяжке металлов и в процессах резания как со снятием, так и без снятия стружки. Цель изобретения - повышение стойкости инструмента и качества обработанной поверхности. Смазочно-охлаждающая композиция содержит, мас.%: воду 40-60, минеральное масло, или его смесь с растительным маслом, или полидиметилсилоксановую жидкость 10-50 и бентонит 5-30. Целесообразно ввести в состав 1-10 мас.% стеарата кальция и/или стеарата цинка. Композиция увеличивает срок службы инструмента до 165-185 мин. 1 з.п.ф-лы, 1 табл.

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07-08-1968 дата публикации

Liquid lubricant.

Номер: OA0000001026A
Автор:
Принадлежит:

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05-05-1970 дата публикации

Lubricating containing hydrocarbons to which are built-in alkaline-earth compounds.

Номер: OA0000002571A
Автор:
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15-12-1970 дата публикации

Lubricating grease improved by cadnium chloride to support very high loads.

Номер: OA0000003342A
Автор:
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15-10-2008 дата публикации

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

Номер: AT0000409737T
Принадлежит:

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10-04-1979 дата публикации

LUBRICANT, IN PARTICULAR GREASE

Номер: AT0000349594B
Автор: CIUTI BRUNELLO
Принадлежит:

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15-03-2008 дата публикации

LUBRICATING OIL COMPOSITION

Номер: AT0000388219T
Принадлежит:

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15-08-2007 дата публикации

ALKYL HYDRAZID AS ADDITIVES FOR LUBRICANTS

Номер: AT0000368097T
Принадлежит:

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15-04-2006 дата публикации

COMPOSITION AND PROCEDURE FOR THE COATING OF METALS WITH LUBRICATION PLASTICS

Номер: AT0000321831T
Принадлежит:

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12-05-1975 дата публикации

LUBRICANT PREPARATIONS FOR TWO-STROKE ENGINES

Номер: AT0000322081B
Автор:
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15-06-2010 дата публикации

CAMP WITH ANODIC NANO-PARTICLE LUBRICANT

Номер: AT0000468508T
Принадлежит:

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15-12-2010 дата публикации

LUBRICANT COMPOSITION WITH IMPROVED PROTECTION AGAINST CORROSION OF CAMPS

Номер: AT0000490301T
Принадлежит:

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15-10-2009 дата публикации

AS LUBRICANT AND FUEL ADDITIVES APTITUDE DITHIOCARBAMATDERIVATE

Номер: AT0000444287T
Принадлежит:

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15-03-2010 дата публикации

MULTI-FUNCTIONAL GRAFTING POLYMER

Номер: AT0000459668T
Принадлежит:

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15-03-2012 дата публикации

SYNERGISTIC ORGANOBORATZUSAMMENSETZUNGEN AND LUBRICATION COMPOSITIONS THEREBY

Номер: AT0000548437T
Принадлежит:

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15-03-2012 дата публикации

KETON DIARYLAMIN CONDENSATES

Номер: AT0000549387T
Принадлежит:

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15-03-2012 дата публикации

USE OF A LUBRICATING OIL COMPOSITION

Номер: AT0000549389T
Принадлежит:

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15-04-2012 дата публикации

LUBRICATING OIL COMPOSITIONS

Номер: AT0000552327T
Принадлежит:

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15-02-1981 дата публикации

METALWORKING LIQUID

Номер: AT0000613077A
Автор:
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15-11-1976 дата публикации

METALLSALZHALTIGES WASSERIGES KUHLSCHMIERMITTEL

Номер: AT0000868673A
Принадлежит:

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15-04-1975 дата публикации

PROCEDURE FOR the PRODUCTION of NEW of METAL COMPLEXES OF 3-ISOTHIAZOLONEN

Номер: AT0000869473A
Автор:
Принадлежит:

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15-09-1976 дата публикации

LUBRICANT FUR HOT EXTRUDING PROCEDURE

Номер: AT0000719974A
Автор:
Принадлежит:

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15-03-1997 дата публикации

OIL ADDITIVES AND COMPOSITIONS

Номер: AT0000149199T
Принадлежит:

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15-03-1997 дата публикации

LUBRICATING OIL COMPOSITIONS

Номер: AT0000149559T
Принадлежит:

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25-05-1970 дата публикации

Stabilization of organic materials

Номер: AT0000281428B
Автор:
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15-10-1975 дата публикации

MECHANICAL TIME SCALE

Номер: AT0000244874A
Автор:
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15-01-1997 дата публикации

OIL AND FUEL OIL COMPOSITIONS

Номер: AT0000146517T
Принадлежит:

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15-05-1995 дата публикации

METAL COMPLEX ABSTENTION LUBRICATING OIL ADDITIVE.

Номер: AT0000121766T
Принадлежит:

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15-12-1992 дата публикации

SULFURIZIERTE COMPOSITIONS AND THESE CONTAINING AUXILIARY CONCENTRATES AND LUBRICATING OILS.

Номер: AT0000083005T
Принадлежит:

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15-03-1993 дата публикации

NON-METALLIC DITHIOPHOSPHATE ABSTENTION OF LUBRICANT MIXTURES.

Номер: AT0000085808T
Принадлежит:

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15-09-1993 дата публикации

MIXED METAL HYDROXIDES FOR THICKENING WATER OR HYDROPHILIC LIQUIDS.

Номер: AT0000093815T
Принадлежит:

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15-01-1995 дата публикации

LUBRICATING OIL COMPOSITIONS AND CONCENTRATES.

Номер: AT0000117014T
Принадлежит:

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15-07-1994 дата публикации

USE OF OIL-SOLUBLE DISPERSANT ADDITIVES IN OILY MIXTURES.

Номер: AT0000108471T
Принадлежит:

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15-09-1994 дата публикации

LUBRICANT AND/OR LUBRICANT CONCENTRATE.

Номер: AT0000111151T
Принадлежит:

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15-10-1994 дата публикации

VATERIT AND PROCEDURE FOR ITS PRODUCTION.

Номер: AT0000112239T
Принадлежит:

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15-05-1998 дата публикации

LUBRICANT COMPOSITION CONTAINING A COMBINATION OF VERSCHLEISSSCHUTZ AND ANTI-OXIDE TO ADDITIVES

Номер: AT0000165390T
Принадлежит:

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15-02-1998 дата публикации

GREASE COMPOSITIONS

Номер: AT0000162545T
Принадлежит:

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26-03-1907 дата публикации

Opinion board for stories instruction.

Номер: AT0000027938B
Автор: WASEK JOHANN, JOHANN WASEK
Принадлежит:

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15-07-1999 дата публикации

TERALKYLPHENOLEN AND YOUR USE AS ANTIOXIDANTS

Номер: AT0000182132T
Принадлежит:

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10-09-1975 дата публикации

LUBRICANT PREPARATION FOR COMBUSTION ENGINES WITH TURNING PISTONS

Номер: AT0000324516B
Автор:
Принадлежит:

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15-10-2005 дата публикации

LUBRICANT COMPOSITIONS FOR MARINE DIESEL ENGINES

Номер: AT0000306527T
Принадлежит:

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10-03-1972 дата публикации

Procedure for the production of a lubricating oil composition

Номер: AT0000297196B
Автор:
Принадлежит:

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15-08-2006 дата публикации

PROCEDURE FOR THE OIL DISPERSION CLEANING OF OVER-BASIC DETERGENTIEN THE KALZIT CONTAINING

Номер: AT0000335065T
Принадлежит:

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10-08-1976 дата публикации

MECHANICAL TIME SCALE

Номер: AT0000331149B
Автор:
Принадлежит:

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12-12-1977 дата публикации

VEHICLE WHEEL WITH A RIM AND A PNEUMATIC TIRE

Номер: AT0000340251B
Автор:
Принадлежит:

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10-03-1972 дата публикации

Greases for high loads

Номер: AT0000297195B
Принадлежит:

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10-10-1978 дата публикации

LUBRICANT ADDITIVE AND PROCEDURE FOR THE PRODUCTION

Номер: AT0000345953B
Автор:
Принадлежит:

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10-12-1963 дата публикации

Lubricant

Номер: AT0000230516B
Автор:
Принадлежит:

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27-12-1966 дата публикации

Procedure for the production of oil-soluble copolymers

Номер: AT0000251277B
Автор:
Принадлежит:

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10-10-1959 дата публикации

Lubricant and hydraulic liquid

Номер: AT0000205635B
Автор:
Принадлежит:

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10-03-1966 дата публикации

Procedure for the production of oil-soluble Pfropfcopolymerer with Dispergierwirkung

Номер: AT0000245798B
Автор:
Принадлежит:

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12-04-1965 дата публикации

As lubricants and hydraulic liquid suitable water in oil emulsion

Номер: AT0000239417B
Автор:
Принадлежит:

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25-09-1963 дата публикации

Procedure for the production of a grease

Номер: AT0000229466B
Автор:
Принадлежит:

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25-04-1959 дата публикации

Lubricant and procedure for the production

Номер: AT0000203129B
Автор:
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27-12-1957 дата публикации

Drawing lubricant for metals

Номер: AT0000194040B
Принадлежит:

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15-02-1999 дата публикации

LUBRICANT COMPOSITION WITH SMALL ASH CONTENT

Номер: AT0000175992T
Принадлежит:

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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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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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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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18-01-2018 дата публикации

Lubricating Grease Composition

Номер: US20180016517A1
Принадлежит:

A lubricating grease composition for a polyamide resin member is used to be supplied as a lubricant on a surface of at least a sliding portion of the polyamide resin member including the sliding portion with an other member. The lubricating grease composition for a polyamide resin member contains a base oil which is a synthetic hydrocarbon oil, and a thickener which is at least one metal complex soap of a barium complex soap and a lithium complex soap, wherein a kinetic viscosity at 40° C. of the base oil ranges from 30 to 200 mm/s and a drop point of the thickener is 270° C. or more. 2. The lubricating grease composition for a polyamide resin member according to claim 1 , wherein the base oil is a single oil of a poly-α-olefin or a mixed oil of the poly-α-olefin and an ethylene-α-olefin copolymer.3. The lubricating grease composition for a polyamide resin member according to claim 1 , wherein the other member is a metal member. The present application is a continuation application of International Patent Application No. PCT/JP2016/054892 filed on Feb. 19, 2016, which claims priority to Japanese Patent Application No. 2015-066850, filed on Mar. 27, 2015. The contents of these applications are incorporated herein by reference in their entirety.The present disclosure relates to a lubricating grease composition for a polyamide resin member used to be supplied as a lubricant on the surface of at least a sliding portion of a polyamide resin member including the sliding portion where, for example, the other member comprising a resin member or a metal material slides or which slides on the other member.Heretofore, greases have been used as lubricant compositions in various industrial fields such as steels, automobiles, general machineries, and precision instruments. In recent years, polyamide resins have been commonly used as the member for sliding portions, and the like, of automobile parts, and the like, for the purpose of improving heat resistance in light of being used ...

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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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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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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

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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07-02-2019 дата публикации

LUBRICATING OIL COMPOSITION

Номер: US20190040336A1
Автор: IWAI Toshiaki
Принадлежит: IDEMITSU KOSAN CO., LTD,

Disclosed is a lubricating oil composition capable of inhibiting vibrations or noises generated between a pulley and a chain or between a pulley and a belt in a CVT or the like, while increasing an intermetallic friction coefficient, the composition containing a base oil, an alkaline earth metal-based detergent (A), a phosphite ester (B), a phosphate ester amine salt (B), an acidic phosphate ester (B), an aliphatic monoamine (C), and an aromatic monoamine (C). 1. A lubricating oil composition , comprising:a base oil;(A) an alkaline earth metal-based detergent (A);(B1) a phosphite ester (B1);(B2) a phosphate ester amine salt (B2);(B3) an acidic phosphate ester (B3);(C1) an aliphatic monoamine (C1); and(C2) an aromatic monoamine (C2).3. The lubricating oil composition according to claim 2 , wherein in the formula (I);a is 2, and{'sup': '1', 'Ris an aliphatic hydrocarbon group having 8 to 20 carbon atoms.'}5. The lubricating oil composition according to claim 4 , wherein in the formula (II) claim 4 , Ris an aliphatic hydrocarbon group having 8 to 20 carbon atoms.7. The lubricating oil composition according to claim 6 , wherein in the formula (III) claim 6 , Ris an aliphatic hydrocarbon group having 8 to 20 carbon atoms.9. The lubricating oil composition according to claim 8 , wherein in the formula (IV);{'sup': '4', 'Ris an aliphatic hydrocarbon group having 12 to 18 carbon atoms, and'}{'sup': 5', '6, 'Rand Rare each a hydrogen atom or an alkyl group having 1 to 2 carbon atoms.'}11. The lubricating oil composition according to claim 1 , wherein a base number of the alkaline earth metal-based detergent (A) is from 10 to 500 mg KOH/g.12. The lubricating oil composition according to claim 1 , wherein the amount of the alkaline earth metal atom derived from the alkaline earth metal-based detergent (A) is from 10 to 1 claim 1 ,500 ppm by mass on the basis of the whole amount of the lubricating oil composition.13. The lubricating oil composition according to claim 1 , ...

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15-02-2018 дата публикации

GREASE COMPOSITION

Номер: US20180044605A1
Автор: DAEGLING Stefan
Принадлежит:

A grease composition comprising a polyalphaolefin and a thickener which is a fatty acid salt of calcium is disclosed. The composition is suitable for use at a seal-metal interface in a sealed bearing. 1. A grease composition comprising from 40 to 90 wt % of a first base oil component which is a polyalphaolefin and having a kinematic viscosity at 100° C. of between 1 and 5 mm/s , wherein the weight percentage is based upon the weight of the grease composition , and comprising a thickener which is a C13-C21 fatty acid salt of calcium.2. A grease composition according to claim 1 , wherein the amount of thickener is from 2 to 18 wt % claim 1 , based upon the weight of the grease composition.3. A method comprising:{'sup': '2', 'applying a grease composition at a seal-metal interface in a sealed bearing, wherein the grease composition comprises from 40 to 90 wt % of a first base oil component which is a polyalphaolefin and has a kinematic viscosity at 100° C. of between 1 and 5 mm/s, wherein the weight percentage is based upon the weight of the grease composition, and comprises a thickener which is a C13-C21 fatty acid salt of calcium.'}4. A method according to claim 3 , wherein the amount of thickener is from 2 to 18 wt % claim 3 , based upon the weight of the grease composition.5. A grease composition according to claim 1 , wherein the amount of thickener is from 2 to 14 wt % claim 1 , based upon the weight of the grease composition.6. A method according to wherein the amount of thickener is from 2 to 14 wt % claim 3 , based upon the weight of the grease composition. This invention relates to a grease composition and to use of the grease composition in a sealed bearing.Sealed bearings are used in many different types of machinery. The seals prevent the ingress of dirt and water that could damage the bearing and impair the functioning of the machinery. Typical seal materials include acrylonitrile-butadiene rubber (NBR) and fluoroelastomers (FKM). A grease is provided at ...

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13-02-2020 дата публикации

Lubricating oil composition for two wheeled vehicle, method for improving fuel economy of two wheeled vehicle using the lubricating oil composition, and method for producing the lubricating oil composition

Номер: US20200048576A1
Принадлежит: Idemitsu Kosan Co Ltd

The present invention provides a lubricating oil composition for two-wheeled vehicles, which is able to not only suppress a lowering of fatigue life of engine parts while making fuel saving properties (in particular, fuel saving properties at the time of low speed) favorable but also make clutch friction characteristics of two-wheeled vehicles favorable. The present invention is concerned with a lubricating oil composition for two-wheeled vehicles, including a base oil (A) having a viscosity index of 120 or more, an ethylene-propylene copolymer (B), and a metal-based detergent (C), wherein the content of the ethylene-propylene copolymer (B) is 0.30% by mass or more on the basis of the whole amount of the lubricating oil composition; the metal-based detergent (C) contains a calcium phenate (C1) and a calcium sulfonate (C2), and a mass ratio of the content (Ca 1 ) of the calcium phenate (C1) as expressed in terms of a calcium atom to the content (Ca 2 ) of the calcium sulfonate (C2) as expressed in terms of a calcium atom is satisfied with a relation of (1.0≤Ca 1 /Ca 2 ); and the lubricating oil composition has a kinematic viscosity at 100° C. is less than 9.3 mm 2 /s and an HTHS viscosity at 150° C. is 2.9 mPa·s or more.

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22-02-2018 дата публикации

GREASE COMPOSITION FOR CONSTANT VELOCITY JOINTS

Номер: US20180051227A1
Принадлежит:

The disclosure relates to an improved grease composition for use in constant velocity joints, especially ball joints and/or tripod joints used in the drivelines of motor vehicles, with the grease composition comprising at least one base oil, at least one simple or complex soap thickener, at least one zinc sulphonate, at least one molybdenum dithiocarbamate in the solid state, and at least one molybdenum dithiophosphate. 115.-. (canceled)16. A grease composition for use in constant velocity joints comprisinga) at least one base oil;b) at least one simple or complex soap thickener;c) at least one zinc sulphonate;d) at least one molybdenum dithiocarbamate in the solid state; ande) at least one molybdenum dithiophosphate;wherein the ratio between the percent-by-weight (wt-%) amount of the at least one zinc sulphonate and both the amount of the at least one molybdenum dithiocarbamate and the amount of the at least one molybdenum dithiophosphate is in a range between approximately 0.2:1 to approximately 2.5:1; wherein the total amount of the at least one zinc sulphonate, of the at least one molybdenum dithiocarbamate, as well as of the at least one molybdenum dithiophosphate, is at most 10 wt-% of the total amount of the grease composition; and wherein the at least one molybdenum dithiophosphate acts as a metal surface activator of the at least one zinc sulphonate.17. A grease composition in accordance with claim 16 , wherein the at least one zinc sulphonate is comprised in an amount between approximately 0.7 wt-% and approximately 2.6 wt-% of the total amount of the grease composition.18. A grease composition in accordance with claim 16 , wherein the at least one molybdenum dithiocarbamate is comprised in an amount between approximately 1 wt-% and approximately 3 wt-% of the total amount of the grease composition.19. A grease composition in accordance with claim 16 , wherein the at least one molybdenum dithiophosphate is comprised in an amount between approximately 0.3 ...

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22-02-2018 дата публикации

LUBRICATING OIL COMPOSITION FOR FOUR STROKE ENGINE

Номер: US20180051228A1
Автор: YAMASAKI Hirotaka
Принадлежит: IDEMITSU KOSAN CO., LTD.

The lubricating oil composition for four-stroke cycle engine of the present invention includes a base oil (A) and from 0.5 to 10% by mass of a polyolefin (B) having at least an isobutene-derived constituting unit and having a number average molecular weight of 500 to 10,000, with a sulfated ash content being from 0.3 to 1.2% by mass. 1. A lubricating oil composition for four-stroke cycle engine , comprising a base oil (A) and from 0.5 to 10% by mass of a polyolefin (B) having at least an isobutene-derived constituting unit and having a number average molecular weight of 500 to 10 ,000 , with a sulfated ash content being from 0.3 to 1.2% by mass.2. The lubricating oil composition for four-stroke cycle engine according to claim 1 , wherein the sulfated ash content is from 0.3 to 0.7% by mass.3. The lubricating oil composition for four-stroke cycle engine according to claim 2 , further comprising an overbased calcium salicylate (C1) having a base number of 170 to 400 mgKOH/g and a neutral metal-based detergent (C2) selected from a neutral calcium sulfonate having a base number of 50 mgKOH/g or less and a neutral calcium salicylate having a base number of 50 mgKOH/g or less; and having a calcium content of 500 to 1 claim 2 ,800 ppm by mass.4. The lubricating oil composition for four-stroke cycle engine according to claim 2 , further comprising a hindered phenol compound (F1) and an alkyldiphenylamine compound (F2) claim 2 , with a sum total of the contents thereof being more than 1.5% by mass and 5.0% by mass or less on the basis of a total amount of the composition.5. The lubricating oil composition for four-stroke cycle engine according to claim 2 , which is adapted to function as a lubricating oil composition for a four-stroke cycle engine in which a maximum power is 200 kW or more claim 2 , an operation at 60% or more of the maximum power is continued for 10 hours or more claim 2 , and an oil replacement cycle is 500 hours or more.6. The lubricating oil composition ...

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15-03-2018 дата публикации

LUBRICANT OIL COMPOSITION FOR SPARK IGNITION TYPE INTERNAL COMBUSTION ENGINE, METHOD FOR PRODUCING LUBRICANT OIL COMPOSITION, SPARK IGNITION TYPE INTERNAL COMBUSTION ENGINE USING LUBRICANT OIL COMPOSITION, AND METHOD FOR LUBRICATING INTERNAL COMBUSTION ENGINE

Номер: US20180072961A1
Принадлежит: IDEMITSU KOSAN CO., LTD.

Provided are a lubricating oil composition for internal combustion engine capable of preventing a deterioration of the combustion state of a spark-ignition internal combustion engine, specifically, a lubricating oil composition to be used for a spark-ignition internal combustion engine in which a total tension per piston of tensions applied to the piston ring is 100 N or less, the lubricating oil composition being a lubricating oil composition including a base oil, (A) a calcium-based detergent, at least one selected from (B1) a sodium-based additive and (B2) a magnesium-based additive, and (C) an ash-free sulfur-based additive in predetermined contents; a method for producing the lubricating oil composition; a spark-ignition internal combustion engine using the lubricating oil composition; and a method for lubricating the internal combustion engine. 1: A lubricating oil composition , comprising:a base oil;(A) a calcium-based detergent;(B) at least one of (B1) a sodium-based additive and (B2) a magnesium-based additive; and(C) an ash-free sulfur-based additive,wherein:a content of the calcium-based detergent (A) as expressed in terms of a calcium atom content is 0.15% by mass or less on a basis of a total amount of the lubricating oil composition;a sum total of a content of the sodium-based additive (B1), as expressed in terms of a sodium atom content, and a content of the magnesium-based additive (B2), as expressed in terms of a magnesium atom content, is 0.2% by mass or less on a basis of the total amount of the lubricating oil composition; anda content of the ash-free sulfur-based additive (C) as expressed in terms of a sulfur atom content is 0.01% by mass or more on a basis of the total amount of the lubricating oil composition.2: The lubricating oil composition according to claim 1 , wherein a NOACK volatile loss of the lubricating oil composition is 10% by mass or more.3: The lubricating oil composition according to claim 1 , wherein the calcium-based ...

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05-03-2020 дата публикации

Low Ash Lubricant and Fuel Additive Comprising Alkoxylated Amine

Номер: US20200071630A1
Принадлежит: Lanxess Solutions US Inc

A lubricating oil detergent composition comprises an overbased calcium sulfonate and a low ash detergent, which low ash detergent is metal free and comprises the reaction product of an acidic organic compound such as an alkylated salicylic acid, a boron compound and an amine component.

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14-03-2019 дата публикации

METHOD FOR PREVENTING OR REDUCING LOW SPEED PRE-IGNITION IN DIRECT INJECTED SPARK-IGNITED ENGINES WITH COBALT-CONTAINING LUBRICANT

Номер: US20190078033A1
Принадлежит:

Disclosed is 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 cobalt-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 25 to about 3000 ppm of metal from at least one cobalt-containing compound , based on the total weight of the lubricating oil composition;wherein, when the cobalt compound is a cobalt carboxylate, the carboxylate is branched and saturated.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 cobalt-containing compound is a cobalt alkoxide compound claim 1 , colloidal dispersion of a cobalt salt claim 1 , cobalt amido compound claim 1 , cobalt acetylacetonate compound claim 1 , cobalt branched and saturated carboxylate compound claim 1 , cobalt salicylate compound claim 1 , cobalt arylsulfonate compound claim 1 , cobalt sulfurized or unsulfurized phenate compound claim 1 , bis(cyclopentadienyl)cobalt compound claim 1 , dithiocarbamato cobalt complex claim 1 , dithiophosphato cobalt complex claim 1 , salen cobalt complex claim 1 , phosphate ester claim 1 , phospinate claim 1 , or phosphinite cobalt complex claim 1 , pyridyl claim 1 , polypyridyl claim 1 , quinolinolato claim 1 , or isoquinolato cobalt complex claim 1 , glyoximato cobalt complex claim 1 , alkyldiamino cobalt complex claim 1 , azamacrocyclic cobalt complex claim 1 , cobalt alkylsufonate compound claim 1 , cobalt basic nitrogen succinimide complex claim 1 , cobalt sulfanyl ...

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14-03-2019 дата публикации

Lubricant Composition Containing an Antiwear Agent

Номер: US20190078034A1
Принадлежит: Lubrizol Corp

The invention provides a lubricant composition comprising an oil of lubricating viscosity and a protic acid salt of an N-hydrocarbyl-substituted gamma-(γ-) or delta-amino(thio)ester. The invention further relates to a method of lubricating a mechanical device with the lubricant composition.

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14-03-2019 дата публикации

LUBRICANT WITH HIGH PYROPHOSPHATE LEVEL

Номер: US20190078035A1
Принадлежит:

A lubricant composition comprising an oil of lubricating viscosity and 0.01 to 5 percent by weight of a substantially sulfur-free alkyl phosphate amine salt, where at least 30 mole percent of the phosphorus atoms are in an alkyl pyrophosphate salt structure, exhibits good antiwear performance. In the phosphate amine salt, at least 80 mole percent of the alkyl groups are typically secondary alkyl groups of 3 to 12 carbon atoms. 1. A lubricant composition comprising an oil of lubricating viscosity and about 0.01 to about 5 percent by weight of a substantially sulfur-free alkyl phosphate amine salt wherein at least about 30 mole percent of the phosphorus atoms are in an-alkyl pyrophosphate salt structure; wherein at least about 80 mole percent of the alkyl groups are secondary alkyl groups of about 3 to about 12 carbon atoms.4. The lubricant composition of wherein the alkyl phosphate amine salt is prepared or preparable by the reaction of phosphorus pentoxide with a secondary alcohol having about 4 to about 12 carbon atoms and reacting the product thereof with an amine.5. The lubricant composition of wherein the amine is a hydrocarbyl amine.6. The lubricant composition of wherein the amine comprises 2-ethylhexylamine.7. The lubricant composition of wherein the amine comprises an N-hydrocarbyl-substituted γ- or δ-amino(thio)ester.9. The lubricant composition of wherein claim 4 , in the reaction to prepare the alkyl phosphate amine salt claim 4 , the phosphorus pentoxide is reacted with about 2 to about 3.1 moles per mole of PO claim 4 , of the secondary alcohol at a temperature of about 30° C. to about 60° C.10. The lubricant composition of wherein claim 4 , in the reaction to prepare the alkyl phosphate amine salt claim 4 , the phosphorus pentoxide is reacted with about 2.2 to about 2.4 moles claim 4 , per mole of PO claim 4 , of the secondary alcohol at a temperature of about 50° C. to about 60° C.11. The lubricant composition of wherein the alkyl phosphate amine salt ...

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14-03-2019 дата публикации

POLYALKYLENE GLYCOL-BASED LUBRICANT COMPOSITION

Номер: US20190078036A1
Принадлежит:

Disclosed is a lubricant composition including: an oil chosen from polyalkyl glycols (PAG or polyalkylene glycols); and an anti-wear additive chosen from compounds of formula (I) 114-. (canceled)20. Composition according to comprising 1 to 99.5% by weight of PAG.21. Composition according to comprising from 1 to 30% by weight of PAG.22. Composition according to comprising from 40 to 99.5% by weight of PAG.23. Composition according to comprising from 5 to 80% by weight of PAG.25. Composition according to comprising from 0.1 to 3% by weight of compound of formula (I).26. Composition according to comprising a lubricating base oil.27. Composition according to claim 15 , further comprising an organic friction modifier selected from esters.28. Method of lubricating a motor vehicle claim 15 , preferably a motor vehicle claim 15 , comprising at least one step of bringing the motor into contact with the lubricating composition according to . The present application relates to the field of lubricating compositions, especially lubricating compositions for a vehicle engine, in particular for a motor vehicle engine. In particular, the present application relates to lubricating compositions based on polyalkylated glycols (PAG or polyalkylene glycols) for the lubrication of a vehicle engine, especially a motor vehicle.Energy efficiency and reduced fuel consumption of automotive engines is a growing concern. It is known that engine lubricants used in automotive vehicles play an important role in this respect.To formulate economic fuel lubricants or fuel economizers, it is known to play on the viscosity of the lubricating bases used. It is also known to use polymers to improve the viscosity index (VI), or to use friction modifiers (MF). However, the polymers improving the viscosity index have the disadvantage of degrading the engine cleanliness of the lubricating compositions in which they are used. However, current engines have high thermal stresses that cause significant deposition ...

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21-03-2019 дата публикации

GREASE COMPOSITION, MACHINE COMPONENT, AND STARTER OVERRUNNING CLUTCH

Номер: US20190085257A1
Принадлежит:

A silicone grease composition is disclosed. The silicone grease composition contains a silicone oil (A) and zinc dialkyldithiocarbamate (BX) as an extreme-pressure additive. The silicone grease composition contains substantially no zinc dialkyldithiophosphate (BX). The silicone grease composition achieves high friction characteristics and wear characteristics. 1. A grease composition comprising:a silicone oil (A); andzinc dialkyldithiocarbamate (B);wherein the grease composition comprises substantially no zinc dialkyldithiophosphate (BX).2. The grease composition according to claim 1 , wherein a content of the zinc dialkyldithiophosphate (BX) is 0.01 mass % or less relative to the total amount of the grease composition.3. The grease composition according to claim 1 , wherein a content of the zinc salt (B) is from 5 mass % to 30 mass % relative to the total amount of the grease composition.4. The grease composition according to claim 1 , further comprising at least one type of thickener (C) selected from the group consisting of lithium soap and lithium complex soap.5. The grease composition according to claim 1 , wherein a content of the silicone oil (A) is in a range of 50 mass % to 95 mass % relative to the total amount of the grease composition claim 1 , and the silicone oil (A) has an aromatic hydrocarbon group per molecule.6. The grease composition according to claim 1 , wherein the grease composition is a grease composition for a power transmission device.7. A machine component comprising the grease composition according to .8. The machine component according claim 7 , wherein the machine component is a clutch or a torque limiter mechanism.9. An overrunning clutch comprising the grease composition according to in a clutch cam chamber formed by an outer clutch and an inner clutch.10. The grease composition according to claim 2 , wherein a content of the zinc salt (B) is from 5 mass % to 30 mass % relative to the total amount of the grease composition.1110. The ...

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21-03-2019 дата публикации

GREASE COMPOSITION, MACHINE COMPONENT, AND STARTER OVERRUNNING CLUTCH

Номер: US20190085260A1
Принадлежит:

A silicone grease composition having high friction characteristics and wear characteristics is disclosed. The silicone grease composition is provided by adding a zinc salt (B) containing, at a mass ratio from 1:99 to 99:1, a zinc dialkyldithiophosphate (B1) and a zinc dialkyldithiocarbamate (B2) as an extreme-pressure additive to a silicone oil (A). 1. A grease composition comprising:a silicone oil (A); anda zinc salt (B) containing, at a mass ratio from 1:99 to 99:1, a zinc dialkyldithiophosphate (B1) and a zinc dialkyldithiocarbamate (B2).2. The grease composition according to claim 1 , wherein a content of the zinc salt (B) is not less than 5 mass % and not greater than 30 mass % relative to the entire grease composition.3. The grease composition according to claim 1 , wherein the zinc salt (B) contains the zinc dialkyldithiophosphate (B1) and the zinc dialkyldithiocarbamate (B2) at a mass ratio from 2:98 to 50:50.4. The grease composition according to claim 1 , further comprising one or more types of thickeners (C) selected from the group consisting of lithium soaps and lithium complex soaps.5. The grease composition according to claim 1 , wherein a content of the silicone oil (A) is in a range of not less than 50 mass % and not greater than 95 mass % relative to the total amount of the grease composition claim 1 , and the silicone oil (A) has an aromatic hydrocarbon group in a molecule.6. The grease composition according to claim 1 , further comprising a partial ester (D) of a polyhydric alcohol.7. The grease composition according to claim 1 , wherein the grease composition is a grease composition for a power transmission device.8. A machine component in which the grease composition according to is enclosed.9. The machine component according to claim 8 , wherein the machine component is a clutch or a torque limiter mechanism.10. An overrunning clutch claim 1 , wherein the grease composition according to is enclosed in a clutch cam chamber formed from an outer ...

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19-03-2020 дата публикации

Composition and Method of Manufacturing Calcium Magnesium Sulfonate Greases

Номер: US20200087593A1
Принадлежит:

A sulfonate-based grease composition and method of manufacture comprising (1) addition of both overbased calcium sulfonate and overbased magnesium sulfonate in a ratio range of 60:40 to 100:1, with the magnesium sulfonate added all at once, a portion prior to conversion and another portion after conversion, and/or one more delay periods between the addition of water or other reactive ingredient and the addition of magnesium sulfonate; (2) one or more delay periods between the addition of at least a portion of a facilitating acid and at least a portion of the next subsequently added ingredient; (3) no conventional non-aqueous converting agents added prior to conversion; or (4) a combination thereof. The grease has a high dropping point and reduced thickener yield. 1. A highly rheopectic sulfonate-based grease composition comprising the following ingredients:an overbased calcium sulfonate;an overbased magnesium sulfonate;a facilitating acid comprising an alkyl benzene sulfonic acid;water as a converting agent;one or more complexing acids comprising acetic acid and 12-hydroxystearic acid;added calcium carbonate;optionally a base oil; andwherein the grease is fluid and pumpable prior to milling or shearing.2. The highly rheopectic sulfonate-based grease composition of wherein the grease is an NLGI grade 2 grease after milling or shearing.3. The highly rheopectic sulfonate-based grease composition of wherein composition comprises less than 36% of the overbased calcium sulfonate by weight of the final grease.4. The highly rheopectic sulfonate-based grease composition of wherein composition comprises less than 33% of the overbased calcium sulfonate by weight of the final grease5. The highly rheopectic sulfonate-based grease composition of further comprising one or more conventional non-aqueous converting agents.6. The highly rheopectic sulfonate-based grease composition of wherein no conventional non-aqueous converting agents are included.7. A method for making a highly ...

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12-04-2018 дата публикации

LOW CONDUCTIVITY LUBRICATING OILS FOR ELECTRIC AND HYBRID VEHICLES

Номер: US20180100114A1
Принадлежит:

Provided is a lubricating oil for electric and hybrid vehicles. The lubricating oil includes at least 80 wt % of a lubricating base oil, 0.5 to 5 wt % of one or more dispersants, 0 to 4 wt % of one or more neutral metal detergents, 0 to 1.5 wt % of zinc dialkyldithiophosphate, 0 to 0.2 wt % of molybdenum dialkyldithiocarbamate, 0 to 2 wt % of an active viscosity modifier, and 0.01 to 5 wt % of one or more other lubricating oil additives. The lubricating oil is essentially free of overbased metal detergents. The lubricating oil has an electrical conductivity from 50 to 3,000 pS/m and a kinematic viscosity from 2 to 20 cSt at 100° C. This disclosure also relates to methods for producing the lubricating oil, methods for lubricating electric and hybrid vehicles, and methods for controlling electrical conductivity of a lubricating oil by using conductivity promoters and conductivity inhibitors. 1. A lubricating oil for use in electric or hybrid vehicles comprising:at least about 80 weight percent of a lubricating base oil, from about 0.5 to about 5 weight percent of one or more dispersants, from about 0 to about 4 weight percent of one or more neutral metal detergents, from about 0 to about 1.5 weight percent of zinc dialkyldithiophosphate (ZDDP), from about 0 to about 0.2 weight percent of molybdenum dialkyldithiocarbamate (MoDTC), from about 0 to about 2 weight percent of an active viscosity modifier, and from about 0.01 to about 5 weight percent of one or more other lubricating oil additives,wherein the lubricating oil is essentially free of overbased metal detergents, andwherein the lubricating oil has an electrical conductivity of from about 50 pS/m to about 3,000 pS/m, and a kinematic viscosity of from about 2 cSt to about 20 cSt at 100° C.2. The lubricating oil of wherein the lubricating base oil comprises a Group I base stock claim 1 , a Group II base stock claim 1 , a Group III base stock claim 1 , a Group IV base stock claim 1 , a Group V base stock claim 1 , ...

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04-04-2019 дата публикации

LUBRICATING OIL COMPOSITION FOR ENGINE EQUIPPED WITH SUPERCHARGING MECHANISM, METHOD FOR SUPPRESSING LOW-SPEED PRE-IGNITION IN ENGINE EQUIPPED WITH SUPERCHARGING MECHANISM USING LUBRICATING OIL COMPOSITION, AND METHOD FOR MANUFACTURING LUBRICATING OIL COMPOSITION

Номер: US20190100713A1
Принадлежит: IDEMITSU KOSAN CO., LTD.

Provided is a lubricating oil composition for engine equipped with a forced-induction mechanism capable of lowering the frequency of occurrence of LSPI, while using a calcium-based detergent. The lubricating oil composition for engine equipped with a forced-induction mechanism contains a base oil (A), a metal-containing surfactant (B) containing at least a calcium-containing surfactant (b1), and at least one basic compound (C) selected from a metal carbonate, a metal hydroxide, and an amine-based compound, wherein the content of sulfur contained in the metal-containing surfactant (B) is 0.2 mass % or more on the basis of the whole amount of the metal-containing surfactant (B); the content of a calcium atom is 0.08 to 0.20 mass % on the basis of the whole amount of the composition; and a mass ratio of the content of the basic compound (C) and the content of a calcium atom derived from the calcium-containing surfactant (b1) [(content of (C))/(calcium content derived from (b1))] is 2.0 or more. 1. A lubricating oil composition for engine equipped with a forced-induction mechanism , the composition comprising:a base oil (A),a metal-containing surfactant (B) containing at least a calcium-containing surfactant (b1), andat least one basic compound (C) selected from the group consisting of a metal carbonate, a metal hydrogencarbonate, a metal hydroxide, and an amine-based compound,wherein the content of sulfur contained in the metal-containing surfactant (B) is 0.2 mass % or more on the basis of the whole amount of the metal-containing surfactant (B);the content of a calcium atom is from 0.08 to 0.20 mass % on the basis of the whole amount of the composition; anda mass ratio of the content of the basic compound (C) and the content of a calcium atom derived from the calcium-containing surfactant (b1) [(content of (C))/(calcium content derived from (b1))] is 2.0 or more.2. The lubricating oil composition for engine equipped with a forced-induction mechanism according to claim ...

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11-04-2019 дата публикации

SURFACE PROTECTION COMPOSITION AND TERMINAL FITTED ELECTRIC WIRE

Номер: US20190106652A1
Принадлежит:

A surface protection composition stably protecting a metal surface even at a high temperature, and a terminal-fitted electric wire improved in anticorrosion property by using the composition. The surface protection composition contains a high-consistency material (A) containing a lubricant base oil and an amide compound, and a composition (B) containing a phosphorus compound containing one or more compounds represented by the general formulae (1) and (2) and a metal. The mass ratio (A):(B) of the high-consistency material (A) to the composition (B) is within a range of 50:50 to 98:2. The lubricant base oil has a kinematic viscosity of 10 mm/s or higher at 100° C. and a number-average molecular weight of 400 or higher: 2. The surface protection composition according to claim 1 , wherein the average-molecular weight of the lubricant base oil is within a range of 7000 to 10000.3. The surface protection composition according to claim 1 , wherein the composition has a shear viscosity of 1000 mPa·s or higher at 100° C.4. The surface protection composition according to claim 1 , wherein the amide compound comprises one or more selected from compounds represented by the below-presented general formulae (3) to (5):{'br': None, 'sup': 21', '22, 'R—CO—NH—R\u2003\u2003(3)'}{'br': None, 'sup': 23', '31', '24, 'R—CO—NH—Y—NH—CO—R\u2003\u2003(4)'}{'br': None, 'sup': 25', '32', '26, 'R—NH—CO—Y—CO—NH—R\u2003\u2003(5),'}{'sup': 21', '26', '22', '31', '32, 'where Rto Reach represent independently a saturated or unsaturated linear hydrocarbon group having 5 to 25 carbon atoms, except that Rmay be hydrogen, and Yand Yeach represent a divalent hydrocarbon group having 1 to 10 carbon atoms selected from an alkylene group and a phenylene group having 1 to 10 carbon atoms, or an alkylphenylene group having 7 to 10 carbon atoms.'}5. The surface protection composition according to claim 1 , wherein the amide compound is a fatty acid amide having a melting point within a range of 20° C. to 200° ...

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26-04-2018 дата публикации

Maleinated Derivatives

Номер: US20180111912A1
Принадлежит: ELEVANCE RENEWABLE SCIENCES, INC.

This invention relates to malienated derivatives made from maleic anhydride, functionalized monomers, and one or more additional reagents, e.g., an oxygen-containing reagent (e.g., alcohol, polyol), a nitrogen-containing reagent (e.g., amine, polyamine, aminoalcohol), a metal and/or a metal compound. The invention relates to lubricants, functional fluids, fuels, dispersants, detergents and functional compositions (e.g., cleaning solutions, food compositions, etc.) 176-. (canceled)77. A maleinated derivative composition comprising: a functionalized polymer , wherein the functionalized polymer is reacted with maleic anhydride on one or more carbon-carbon double bonds of the functionalized polymer to form a maleinated functionalized polymer;wherein the functionalized polymer is formed via olefin metathesis from one or more functionalized monomers; andwherein the one or more functionalized monomers are unsaturated fatty acid glycerides.78. The maleinated derivative of claim 77 , wherein the unsaturated fatty acid glycerides comprise unsaturated fatty acid monoglycerides claim 77 , unsaturated fatty acid diglycerides claim 77 , unsaturated fatty acid triglycerides claim 77 , or combinations of two or more of the foregoing.79. The maleinated derivative of claim 77 , wherein the unsaturated fatty acid glycerides are derived from a natural oil.80. The maleinated derivative of claim 79 , wherein the natural oil is a vegetable oil claim 79 , an algae oil claim 79 , a fungus oil claim 79 , an animal fat claim 79 , a tall oil claim 79 , or any combination of two or more of the foregoing.81. The maleinated derivative of claim 80 , wherein the natural oil is a vegetable oil.82. The maleinated derivative of claim 80 , wherein the natural oil is canola oil claim 80 , rapeseed oil claim 80 , coconut oil claim 80 , corn oil claim 80 , cottonseed oil claim 80 , olive oil claim 80 , palm oil claim 80 , peanut oil claim 80 , safflower oil claim 80 , sesame oil claim 80 , soybean oil ...

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18-04-2019 дата публикации

WATER BASED NANOPARTICLE DISPERION

Номер: US20190112540A1
Принадлежит:

A water based dispersion that includes lubricating nanoparticles. The lubricating nanoparticles can be provided by at least one intercalation nanoparticle of a metal chalcogenide in dispersion with the water base. The at least one intercalation nanoparticle may have a geometry that is fullerene-like, tubular-like structure or be substantially spherical or the intercalation nanoparticles may include particles have each of the aforementioned geometries. The intercalation nanoparticle is surface treated with a dispersant that is water soluble and includes a polar functional group. 1. A water based dispersion of nanoparticles comprising:a water base; andat least one intercalation nanoparticle of a metal chalcogenide in dispersion in said water base, wherein the at least one intercalation nanoparticle has geometry that is fullerene-like, tubular-like, or substantially spherical, or the at least one intercalation nanoparticle includes a combination of fullerene-like particles, tubular-like particles and substantially spherical particles, wherein the intercalation nanoparticle is surface treated with a dispersant that is at least partially or fully water soluble and includes a polar functional group.2. The water based dispersion of claim 1 , wherein the at least one intercalation nanoparticle are comprised of a metal chalcogenide having molecular formula MX claim 1 , where M is a metallic element selected from the group consisting of titanium (Ti) claim 1 , vanadium (V) claim 1 , chromium (Cr) claim 1 , manganese (Mn) claim 1 , iron (Fe) claim 1 , cobalt (Co) claim 1 , nickel (Ni) claim 1 , copper (Cu) claim 1 , zinc (Zn) claim 1 , zirconium (Zr) claim 1 , niobium (Nb) claim 1 , molybdenum (Mo) claim 1 , technetium (Tc) claim 1 , ruthenium (Ru) claim 1 , rhodium (Rh) claim 1 , palladium (Pd) claim 1 , silver (Ag) claim 1 , cadmium (Cd) claim 1 , hafnium (Hf) claim 1 , tantalum (Ta) claim 1 , tungsten (W) claim 1 , rhenium (Re) claim 1 , osmium (Os) claim 1 , iridium (Ir) ...

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18-04-2019 дата публикации

DISPERSANT VISCOSITY MODIFIERS WITH AMINE FUNCTIONALITY

Номер: US20190112542A1
Принадлежит: THE LUBRIZOL CORPORATION

A lubricating composition includes an oil of lubricating viscosity and an oil-soluble dispersant viscosity modifier. The dispersant viscosity modifier includes an olefin-based polymer backbone and at least one pendent group derived from a functionalized aliphatic amine. Each pendent group is independently attached to the olefin-based polymer backbone. The pendent group is non-ionic, non-basic, and non-acidic and includes a functional group which includes at least one heteroatom other than nitrogen. 27-. (canceled)8. The lubricating composition of claim 1 , wherein the functionalized aliphatic amine is selected from the group consisting of ethanolamine claim 1 , 3-aminopropan-1-ol claim 1 , 4-aminobutan-1-ol claim 1 , 5-aminopentan-1-ol claim 1 , 6-aminohexan-1-ol claim 1 , 7-aminoheptan-1-ol claim 1 , 8-aminooctan-1-ol claim 1 , 2-(2-aminoethylamino)ethanol claim 1 , 3-amino-2 claim 1 ,2-dimethylpropan-1-ol claim 1 , 2-(2-aminoethoxy)ethanol claim 1 , N-(2-hydroxyethyl)-1 claim 1 ,3-propanediamine claim 1 , and mixtures thereof.915-. (canceled)16. The lubricating composition of claim 1 , wherein the functional group is spaced from a nitrogen derived from the functionalized aliphatic amine by a C-Chydrocarbyl group.17. The lubricating composition of claim 1 , wherein the olefin-based polymer backbone comprises units derived from (i) an α-olefin monomer and (ii) an ethylenically unsaturated carboxylic acid monomer or derivative thereof.18. The lubricating composition of claim 17 , wherein the ethylenically unsaturated carboxylic acid monomer is selected from the group consisting of maleic anhydride claim 17 , maleic anhydrides claim 17 , chlormaleic anhydride claim 17 , itaconic anhydride claim 17 , and corresponding dicarboxylic acids and esters thereof claim 17 , alkyl-substituted derivatives thereof claim 17 , and mixtures thereof.19. (canceled)20. (canceled)21. The lubricating composition of claim 1 , wherein a ratio by weight of the pendent groups to the polymer ...

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03-05-2018 дата публикации

METHOD FOR IMPROVING ENGINE FUEL EFFICIENCY

Номер: US20180119048A1
Принадлежит:

A method for improving fuel efficiency and reducing frictional properties while maintaining or improving deposit control, in an engine lubricated with a lubricating oil. The lubricating engine oil has a composition including from 75 to 95 wt % of lubricating oil base stock selected from the group consisting of a Group I base stock, a Group II base stock, a Group III base stock, a Group IV base stock, a Group V base stock and combinations thereof; a friction modifier mixture comprising a polymeric ethoxylated fatty acid ester having a molecular weight of greater than or equal to 2000 at from 0.1 to 1.0 wt. % and an organic molybdenum containing friction modifier contributing from 80 to 500 ppm of elemental molybdenum, and an overbased calcium salicylate detergent contributing from 200 to 2000 ppm of elemental calcium; and one or more other lubricating oil additives. The lubricating engine oils are useful in internal combustion engines including direct injection, gasoline and diesel engines. 1. A method for improving fuel efficiency and reducing frictional properties , while maintaining or improving deposit control , in an engine lubricated with a lubricating oil by using as the lubricating engine oil a formulated oil , said formulated oil having a composition comprising:from 75 to 95 wt % of lubricating oil base stock selected from the group consisting of a Group I base stock, a Group II base stock, a Group III base stock, a Group IV base stock, a Group V base stock and combinations thereof;a friction modifier mixture comprising a polymeric ethoxylated fatty acid ester having a molecular weight of greater than or equal to 2000 at from 0.1 to 1.0 wt. % of the weight of the lubricating engine oil and an organic molybdenum containing friction modifier contributing from 80 ppm to 500 ppm of elemental molybdenum based on the weight of the lubricating engine oil, andan overbased calcium salicylate detergent contributing from 200 ppm to 2000 ppm of elemental calcium based ...

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25-04-2019 дата публикации

Dispersant Viscosity Index Improvers To Enhance Wear Protection In Engine Oils

Номер: US20190119602A1
Принадлежит: AFTON CHEMICAL CORPORATION

An engine oil composition including greater than 50 wt. % of a base oil of lubricating viscosity selected from a Group III, a Group IV or a Group V base oil, and mixtures thereof, 0.1-10 wt. % of a dispersant viscosity index improver that a reaction product of an olefin copolymer, an acylating agent and a polyamine, one or more calcium-containing detergents that provide from about 900 ppmw to about 2500 ppmw of calcium to the engine oil composition, and one or more molybdenum-containing compounds. The engine oil composition has an SAE viscosity grade of 0W-X or 5W-X, wherein X=16, 20, 30, or 40; from about 500 ppmw to about 1000 ppmw of phosphorus; and a total sulfated ash content of no greater than 1.2 wt. %, as measured by ASTM D874. Methods of using the engine oil composition to lubricate or operate an engine are also described. 1. An engine oil composition comprising:a) greater than 50 wt. % of a base oil of lubricating viscosity, based on a total weight of the engine oil composition, wherein the base oil is selected from the group consisting of a Group III base oil, a Group IV base oil, a Group V base oil and mixtures thereof;{'sub': 3', '28, 'b) 0.1-10 wt. % of a dispersant viscosity index improver, based on a total weight of the engine oil composition, wherein the dispersant viscosity index improver is a reaction product of an olefin copolymer, an acylating agent and a polyamine, wherein the olefin copolymer is a copolymer of ethylene and one or more C-Calpha olefins having a number average molecular weight of 30,000 g/mol to 150,000 g/mol;'}c) one or more calcium-containing detergents, wherein the one or more calcium-containing detergents provides from about 900 ppmw to about 2500 ppmw of calcium to the engine oil composition, based on a total weight of the engine oil composition; andd) one or more molybdenum-containing compounds in an amount sufficient to provide from 20 ppm to 2000 ppm of molybdenum to the engine oil composition; andwherein the engine oil ...

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25-04-2019 дата публикации

LUBRICATING OIL COMPOSITION

Номер: US20190119603A1
Принадлежит:

A composition whereby a hydrocarbon-based base oil is used and in this base oil are incorporated, in terms of the total amount of the composition, 30 to 300 ppm of overbased calcium salicylate and, in net weight in terms of the total amount of the composition, 0.07 to 2.0 mass % of a non-dispersant polymethacrylate having a weight average molecular weight of 5000 to 200,000. The electrical conductivity at 25° C. of this composition is not less than 200 pS/m, the flash point is not less than 240° C., the pour point is −40° C. or lower and the micro clutch friction coefficient at 140° C. is not less than 0.08. This lubricating oil composition may be used in machines fitted with electronic control apparatus and can impart conductivity so as to inhibit the occurrence of “noise” which is detrimental to electronic control. 1. A lubricating oil composition comprising a hydrocarbon-based base oil and , in terms of the total amount of the composition , 30 to 300 ppm of overbased calcium salicylate as well as , in net weight in terms of the total amount of the composition , 0.07 to 2.0 mass % of a non-dispersant polymethacrylate the weight average molecular weight whereof is 5000 to 200 ,000 , the electrical conductivity at 25° C. of said composition is not less than 200 pS/m , the flash point is not less than 240° C. , the pour point is −40° C. or lower and the friction coefficient at 140° C. (in a micro clutch test) is not less than 0.08.2. The lubricating oil composition according to claim 1 , wherein the hydrocarbon-based base oil contains a gas-to-liquid (GTL) base oil.3. The lubricating oil composition according to claim 2 , wherein the hydrocarbon-based base oil contains not less than 40 mass % of a gas-to-liquid (GTL) base oil.4. The lubricating oil composition according to claim 1 , wherein the viscosity grade of the composition is VG 46 to 68.5. The lubricating oil composition according to claim 1 , wherein the composition contains 100 to 1000 ppm of phosphorus of a ...

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02-05-2019 дата публикации

LUBRICATING OIL COMPOSITIONS WITH ENGINE WEAR PROTECTION

Номер: US20190127654A1
Принадлежит:

A method for improving wear control of a steel surface lubricated with a lubricating oil through the generation of thick tribofilms. The method includes: (i) using as the lubricating oil a formulated oil, the formulated oil having a composition comprising at least one lubricating oil base stock as a major component; and at least one lubricating oil additive, as a minor component; and (ii) forming a tribofilm on the steel surface. In time-step tribofilm formation measurements of the lubricating oil by a mini-traction machine (MTM) at constant slide-to-roll ratio (SRR), the saturation traction coefficient (f), which correlates to tribofilm thickness on the steel surface, is greater than about 0.11. In the method of this disclosure, elongation of timing chain due to wear of chain link pins is less than about 0.07%, as determined by Ford Chain Wear (FCW) test conducted in accordance with ILSAC GF-6 specification. The lubricating oils are useful in internal combustion engines. 1. A method for improving wear control of a steel surface lubricated with a lubricating oil , said method comprising: (i) using as the lubricating oil a formulated oil , said formulated oil having a composition comprising at least one lubricating oil base stock as a major component; and at least one lubricating oil additive , as a minor component; and (ii) forming a tribofilm on the steel surface; wherein , in time-step tribofilm formation measurements of the lubricating oil by a mini-traction machine (MTM) at constant slide-to-roll ratio (SRR) , the saturation traction coefficient (f) , which correlates to tribofilm thickness on the steel surface , is greater than about 0.11.2. The method of wherein elongation of timing chain due to wear of chain link pins is less than about 0.07% claim 1 , as determined by Ford Chain Wear (FCW) test in accordance with ILSAC GF-6 specification.3. The method of wherein the lubrication regime at the steel surface comprises boundary- and mixed-layer lubrication ...

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02-05-2019 дата публикации

Lubricating oil compositions having improved cleanliness and wear performance

Номер: US20190127655A1
Принадлежит: ExxonMobil Research and Engineering Co

A method for improving wear control, while maintaining or improving deposit control and cleanliness, in an engine or other mechanical component lubricated with a lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition including a lubricating oil base stock as a major component, and specific combinations of low soap detergents, dispersants, and/or mixtures thereof, as a minor component. The low soap detergents include alkaline earth metal salicylates, alkaline earth metal sulfonates, or mixtures thereof, all having the same or different total base number (TBN). The total amount of soap delivered by the low soap detergent is less than 0.60 weight percent of the lubricating oil. The dispersants include borated and/or non-borated polyisobutylene succinimide (PIMA) having a basic nitrogen content of 1% or greater. The lubricating oils are useful in internal combustion engines.

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17-05-2018 дата публикации

Lubricating Oil Additives

Номер: US20180134980A1
Принадлежит: Infineum International Ltd

A metal-containing detergent, suitable for use as a lubricant additive, in the form of a concentrate in oil in which a basic metal-containing material is maintained in dispersion or solution in the oil by a gemini surfactant system comprising, or being derivable or derived from, a double bond-unsaturated carboxylic acid having 8 to 30 carbon atoms, the double bond or bonds of which being functionalized to carry polar groups across or on the double bond or bonds and the carboxylic acid group or groups thereof being functionalized to become an amide or ester group carrying at least one alkyl group having 4 to 20 carbon atoms.

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17-05-2018 дата публикации

ASHLESS OR REDUCED ASH QUATERNARY DETERGENTS

Номер: US20180134982A1
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 non-metallic pnictogen 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.2. The composition of wherein the oil-soluble ionic detergent comprises a quaternary ammonium cation or a quaternary phosphonium cation.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 3 , ethyl groups claim 3 , propyl groups claim 3 , butyl groups claim 3 , benzyl groups claim 3 , phenyl groups claim 3 , hydroxyalkyl groups claim 3 , aminoalkyl groups claim 3 , and mixtures thereof.5. The composition of wherein the cation comprises a pyridinium ion or an imidazolium ion.6. The composition of wherein the oil-soluble ionic detergent comprises a sulfonate claim 5 , carboxylate claim 5 , or phenate anion.7. The composition of wherein the oil-soluble ionic detergent comprises a sulfonate anion or a salicylate anion.8. The composition of wherein the oil-soluble ionic detergent comprises a stoichiometric excess of quaternary non-metallic pnictogen cations of (a) over organic anions of (b) such that said ...

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17-05-2018 дата публикации

ULTRA-FLUID LUBRICATING COMPOSITION

Номер: US20180134983A1
Принадлежит:

In the field of lubricating compositions for motor vehicles, there is disclosed a lubricating composition of a grade according to the SAEJ300 classification defined by the formula (X) W (Y) wherein X represents 0 or 5 and Y represents an integer ranging from 4 to 20. This lubricating composition includes at least one polyalphaolefinic oil (PAO), from 10 to 80% by weight of the composition of at least one oil of group V and at least one comb polymer. Also isclosed is the use of this lubricating composition for improving the Fuel Eco (FE) of a lubricant or for reducing the fuel consumption of an engine, in particular a motor vehicle engine, notably a motor of a hybrid vehicle. 118-. (canceled)20. The lubricant composition according to of a grade according to the SAEJ300 classification selected from among 0W4 claim 19 , 0W8 claim 19 , 0W12 claim 19 , 0W16 claim 19 , 0W20 claim 19 , 5W4 claim 19 , 5W8 claim 19 , 5W12 claim 19 , 5W16 claim 19 , 5W20.21. The lubricant composition according to claim 19 , for which the cinematic viscosity measured at 40° C. according to the ASTM D445 standard ranges from 12 to 30 mm.s.22. The lubricant composition according to for which the cinematic viscosity of the PAO claim 19 , measured at 100° C. according to the ASTM D445 standard claim 19 , ranges from 1.5 to 6 mm.sor from 2 to 8 mm.sor further from 2 to 6 mm.s.23. The lubricant composition according to for which the average molecular mass by weight of the PAO is less than 500 Da or ranges from 50 to 500 Da or ranges from 50 to 350 Da or from 50 to 300 Da.24. The lubricant composition according to comprising from 20 to 80% claim 19 , from 30 to 60% or from 35 to 45% by weight of the oil composition of group V.25. The lubricant composition according to claim 19 , for which the oil of group V is selected from among a monoester claim 19 , a polyalkylene-glycol (PAG).27. The lubricant composition according to claim 19 , for which the comb polymer for which the pendant chains are obtained ...

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16-05-2019 дата публикации

LUBRICANT COMPOSITIONS FOR DIRECT INJECTITON ENGINES

Номер: US20190144775A1
Принадлежит:

The invention is directed to a method for reducing low speed pre-ignition events in a spark-ignited direct injection internal combustion engine by supplying to the sump a lubricant composition which contains an oil of lubricating viscosity and an overbased sodium detergent. The metal overbased detergent may be selected from sulfonate detergents, phenate detergents, and salicylate detergents, including sulfonate detergents with a metal ratio of at least 5. 1. A method for reducing low speed pre-ignition events in a spark-ignited direct injection internal combustion engine wherein the engine is equipped with a turbocharger and is operated under a load with a brake mean effective pressure (BMEP) of greater than or equal to 10 bars at speeds less than or equal to 3 ,000 rpm , comprising supplying to the engine a lubricant composition comprising:(a) a base oil of lubricating viscosity, (i) an overbased sodium detergent in an amount to provide at least 215 parts per million (ppm) sodium to the lubricant composition,', '(ii) an overbased calcium detergent; and, '(b) an overbased metal detergent, wherein the overbased metal detergent comprises'}(c) less than 10 ppm of magnesium from an overbased detergent,wherein the weight ratio of sodium to calcium in the overbased metal detergent is 1:9 to 4:6.2. The method of claim 1 , wherein the engine is fueled with a liquid hydrocarbon fuel claim 1 , a liquid nonhydrocarbon fuel claim 1 , or mixtures thereof.3. The method of claim 2 , wherein the engine is fueled by natural gas claim 2 , liquefied petroleum gas (LPG) claim 2 , compressed natural gas (CNG) claim 2 , or mixtures thereof.4. The method of claim 1 , wherein the overbased sodium detergent comprises one or more of a sulfonate detergent claim 1 , a phenate detergent claim 1 , a salicylate detergent claim 1 , and combinations thereof.5. The method of claim 1 , wherein the lubricant composition further comprises at least one other additive selected from an ashless dispersant ...

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07-05-2020 дата публикации

Method Of Lubricating An Internal Combustion Engine

Номер: US20200140777A1
Принадлежит: THE LUBRIZOL CORPORATION

The invention provides a method of lubricating a compression-ignition internal combustion engine with a maximum laden mass over 2,700 kg comprising supplying to the engine a lubricating composition comprising: an oil of lubricating viscosity, a 300 TBN or higher alkaline earth metal sulphonate detergent having a metal ratio of 10 to 40, 0.1 wt % to 4 wt % of a borated polyisobutylene succinimide dispersant, wherein the polyisobutylene from which the borated polyisobutylene succinimide is derived has a number average molecular weight of 550 to 1150, and 0.1 wt % to 6 wt % of a polyisobutylene succinimide, wherein the polyisobutylene from which polyisobutylene succinimide is derived has a number average molecular weight of 1550 to 2500, 0 wt % to 0.2 wt % of a phenolic based detergent, wherein the total amount of soap delivered by the alkaline earth metal sulphonates (typically calcium sulphonate) is 0.4 to 1 wt % of the lubricating composition, and wherein the lubricating composition has a sulphated ash content of not more than 1.5 wt %. 2. The method of claim 1 , wherein the lubricating composition has (i) a sulphur content of 0.5 wt % or less claim 1 , and (ii) a phosphorus content of 0.1 wt % or less.3. The method of claim 1 , wherein the lubricating composition has at least one of (i) a sulphur content of 0.2 wt % to 0.4 wt % claim 1 , and (ii) a phosphorus content of 0.08 wt % to 0.15 wt %.4. The method of claim 1 , wherein the lubricating composition has a total base number (TBN) content of at least 5 mg KOH/g.5. The method of claim 1 , wherein the lubricating composition has a total base number (TBN) content of 7 to 10 mg KOH/g.6. The method of claim 1 , wherein the 300 TBN or higher calcium sulphonate detergent has a TBN of 350 to 500.7. The method of claim 1 , wherein the 80 TBN or lower calcium sulphonate has a TBN of 1 to 80.8. The method of claim 1 , wherein the dispersant viscosity modifier is an olefin copolymer further functionalised with a dispersant ...

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14-05-2020 дата публикации

Lubricating Oil Additives

Номер: US20200148969A1
Принадлежит: Infineum International Limited

A metal-containing detergent, suitable for use as a lubricant additive, in the form of a concentrate in oil in which a basic metal-containing material is maintained in dispersion or solution in the oil by a gemini surfactant system comprising, or being derivable or derived from, a double bond-unsaturated carboxylic acid having 8 to 30 carbon atoms, the double bond or bonds of which being functionalized to carry polar groups across or on the double bond or bonds and the carboxylic acid group or groups thereof being functionalized to become an amide or ester group carrying at least one alkyl group having 4 to 20 carbon atoms. 1. A crankcase lubricating oil composition comprising:a major amount of an oil of lubricating viscosity; and{'sub': 8', '30', '4', '20, 'a minor amount of a metal-containing detergent, in the form of a concentrate in oil as a dispersion or a solution, comprising a gemini surfactant system derived from a C-Cdouble bond-unsaturated carboxylic acid, which double bond has been functionalized to form at least one polar group and which carboxylic acid has been functionalized to form an amide or ester group having at least one C-Calkyl group.'}2. The composition of claim 1 , further comprising minor amounts of one or more other additives claim 1 , different from said detergent claim 1 , which additives are ashless dispersants claim 1 , metal detergents claim 1 , corrosion inhibitors claim 1 , antioxidants claim 1 , pour point depressants claim 1 , antiwear agents claim 1 , friction modifiers claim 1 , demulsifiers claim 1 , antifoamants claim 1 , viscosity modifiers claim 1 , and combinations thereof.3. A method of improved friction reduction performance of a crankcase lubricating oil composition claim 1 , which method comprises formulating the composition to contain a minor amount of a metal-containing detergent claim 1 , in the form of a concentrate in oil as a dispersion or a solution claim 1 , comprising a gemini surfactant system derived from a C- ...

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21-06-2018 дата публикации

ESTOLIDE COMPOSITIONS EXHIBITING HIGH OXIDATIVE STABILITY

Номер: US20180171254A1
Принадлежит:

Provided herein are estolide compositions having high oxidative stability, said compositions comprising at least one compound of formula: 1131-. (canceled)133. The base oil according to claim 132 , whereinx is, independently for each occurrence, an integer selected from 0 to 14;y is, independently for each occurrence, an integer selected from 0 to 14;n is an integer selected from 0 to 8;{'sub': 1', '1', '22, 'Ris an optionally substituted Cto Calkyl that is saturated or unsaturated, and branched or unbranched; and'}{'sub': 2', '1', '22, 'Ris an optionally substituted Cto Calkyl that is saturated or unsaturated, and branched or unbranched,'}wherein each fatty acid chain residue is unsubstituted.134. The base oil according to claim 133 , whereinx+y is, independently for each chain, an integer selected from 13 to 15; andn is an integer selected from 0 to 6.135. The base oil according to claim 134 , wherein Ris branched.136. The base oil according to claim 135 , wherein Ris selected from Cto Calkyl.137. The base oil according to claim 136 , wherein Ris 2-ethylhexyl.138. The base oil according to claim 135 , wherein Ris unbranched.139. The base oil according to claim 132 , wherein the base oil claim 132 , when combined with an antioxidant claim 132 , exhibits a time of at least 700 minutes when tested in a rotating pressurized vessel oxidation test using ASTM Method 2272-11.140. The base oil according to claim 132 , wherein the base oil claim 132 , when combined with an antioxidant claim 132 , exhibits a time of at least 1000 minutes when tested in a rotating pressurized vessel oxidation test using ASTM Method 2272-11.141. The base oil according to claim 132 , wherein the antioxidant comprises at least one of an amine antioxidant or a phenolic antioxidant.142. The base oil according to claim 141 , the estolide base oil has an acid value equal to or less than 0.1 mg KOH/g143. The base oil according to claim 142 , wherein the antioxidant comprises a diarylamine antioxidant ...

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21-06-2018 дата публикации

LUBRICATING OIL COMPOSITION FOR GAS ENGINES

Номер: US20180171259A1
Автор: YAMASAKI Hirotaka
Принадлежит: IDEMITSU KOSAN CO., LTD

The lubricating oil composition for gas engine of the present invention contains (A) a base oil, (B1) an overbased calcium salicylate, (B2) an overbased sodium sulfonate, (C1) an amine-based antioxidant, and (C2) a phenol-based antioxidant, a total content of the amine-based antioxidant (C1) and the phenol-based antioxidant (C2) being 4 mass % or more on a basis of the whole amount of the composition. 1: A lubricating oil composition for gas engine , comprising (A) a base oil , (B1) an overbased calcium salicylate , (B2) an overbased sodium sulfonate , (C1) an amine-based antioxidant , and (C2) a phenol-based antioxidant , a total content of the amine-based antioxidant (C1) and the phenol-based antioxidant (C2) being 4 mass % or more on a basis of the whole amount of the composition.3: The lubricating oil composition for gas engine according to claim 1 , further comprising (C3) a molybdenum-based antioxidant.4: The lubricating oil composition for gas engine according to claim 1 , wherein the total content of the amine-based antioxidant (C1) and the phenol-based antioxidant (C2) is 5 mass % or more on a basis of the whole amount of the composition.5: The lubricating oil composition for gas engine according to claim 1 , further comprising (B3) a basic calcium sulfonate.6: The lubricating oil composition for gas engine according to claim 1 , further comprising (E1) a polymethacrylate as (E) a viscosity index improver.7: The lubricating oil composition for gas engine according to claim 1 , wherein a calcium content is 0.05 to 0.4 mass % claim 1 , and a sodium content is 0.005 to 0.1 mass % on a basis of the whole amount of the composition.8: The lubricating oil composition for gas engine according to that is suitable for use in a gas heat pump.9: A method for producing a lubricating oil composition for gas engine claim 1 , comprising blending (B1) an overbased calcium salicylate claim 1 , (B2) an overbased sodium sulfonate claim 1 , (C1) an amine-based antioxidant claim ...

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06-06-2019 дата публикации

GASOLINE ENGINE LUBRICANT OIL COMPOSITION AND MANUFACTURING METHOD THEREFOR

Номер: US20190169525A1
Автор: KUSUMOTO Tatsuya
Принадлежит: IDEMITSU KOSAN CO., LTD.

Provided is a lubricating oil composition capable of revealing fuel consumption reducing properties due to a friction reducing effect within a short period of time while having excellent fuel consumption reducing properties, specifically a lubricating oil composition of the present invention includes a base oil, a molybdenum dithiocarbamate, a calcium detergent, a magnesium detergent, and a boron-free succinimide, wherein the content of the molybdenum dithiocarbamate as converted into a molybdenum atom is 1,200 ppm by mass or less on a basis of the whole amount of the composition; the content of the boron-free succinimide as converted into a nitrogen atom is less than 1,200 ppm by mass on a basis of the whole amount of the composition; and a mass ratio of the molybdenum atom (Mo) to a magnesium atom (Mg) of the magnesium detergent [Mo/Mg] is 0.1 or more. 1: A lubricating oil composition , comprising:a base oil;a molybdenum dithiocarbamate;a calcium detergent;a magnesium detergent; anda boron-free succinimide,wherein:a content of the molybdenum dithiocarbamate as converted into a molybdenum atom is 1,200 ppm by mass or less on a basis of a whole amount of the lubricating oil composition;a content of the boron-free succinimide as converted into a nitrogen atom is less than 1,200 ppm by mass on a basis of the whole amount of the lubricating oil composition; anda mass ratio of the molybdenum atom (Mo) to a magnesium atom (Mg) of the magnesium detergent [Mo/Mg] is 0.1 or more.2: The lubricating oil composition according to claim 1 , wherein a content of the calcium detergent as converted into a calcium atom is 2 claim 1 ,000 ppm by mass or less on a basis of the whole amount of the composition.3: The lubricating oil composition according to claim 1 , further comprising:a boron-containing succinimide,wherein a content of the boron-containing succinimide as converted into a boron atom being 50 ppm by mass or more on a basis of the whole amount of the lubricating oil ...

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06-06-2019 дата публикации

LUBRICANT COMPOSITION FOR GASOLINE ENGINE AND METHOD FOR PRODUCING SAME

Номер: US20190169526A1
Автор: TAMURA Kazushi
Принадлежит: IDEMITSU KOSAN CO., LTD.

Provided is a lubricating oil composition having excellent detergency and LSPI preventing performance, and specifically a lubricating oil composition including a base oil, a calcium detergent, and a magnesium detergent and/or a sodium detergent, wherein the content of the calcium detergent as converted into a calcium atom and a mass ratio of a magnesium atom (Mg) contained in the magnesium detergent and/or a sodium atom (Na) contained in the sodium detergent to a calcium atom (Ca) [(Mg and/or Na)/Ca] fall within the specific ranges. 1: A lubricating oil composition , comprising a base oil , a calcium detergent , and a magnesium detergent and/or a sodium detergent , whereina content of the calcium detergent as converted into a calcium atom is less than 2,000 ppm by mass on a basis of the whole amount of the composition, anda mass ratio of a magnesium atom (Mg) contained in the magnesium detergent and/or a sodium atom (Na) contained in the sodium detergent to a calcium atom (Ca) [(Mg and/or Na)/Ca] is 0.05 to 1.50.2: The lubricating oil composition according to claim 1 , further comprising a poly(meth)acrylate.3: The lubricating oil composition according to claim 1 , wherein the content of the calcium detergent as converted into a calcium atom is 800 to 1 claim 1 ,800 ppm by mass on a basis of the whole amount of the composition.4: The lubricating oil composition according to claim 1 , wherein a content of the magnesium detergent and/or the sodium detergent as converted to a magnesium atom and/or a sodium atom is 100 ppm by mass or more on a basis of the whole amount of the composition.5: The lubricating oil composition according to claim 1 , wherein a content of the magnesium detergent and/or the sodium detergent as converted to a magnesium atom and/or a sodium atom is 100 to 1 claim 1 ,500 ppm by mass on a basis of the whole amount of the composition.6: The lubricating oil composition according to claim 1 , further comprising a succinimide and/or a boron-containing ...

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28-05-2020 дата публикации

Lubricating Oil Compositions

Номер: US20200165536A1
Принадлежит: Infineum International Limited

A lubricating oil composition, a method of reducing low-speed pre-ignition (LSPI) in a direct-injected spark-ignited internal combustion engine, and a use of a lubricant composition to reduce LSPI events in such an engine. Preferably, the composition comprises a detergent package comprising a borated calcium detergent, wherein the detergent package provides a calcium content in the composition of at least 0.12 mass %, based on the total mass of the composition, and wherein the borated calcium detergent provides a boron content in the composition of at least 100 ppmm, based on the total mass of the composition. Optionally, the composition comprises a first detergent comprising a calcium detergent, and a second detergent comprising a borated calcium detergent. 1. A lubricating oil composition comprising a first detergent comprising a calcium detergent and a second detergent comprising a borated calcium detergent;wherein, the first and second detergents together provide a calcium content, as measured by ASTM 4951, in the lubricating oil composition of at least 0.12 mass %, based on the total mass of the lubricating oil composition, and wherein the second detergent provides a boron content, as measured by ASTM D5185, in the lubricating oil composition of at least 100 ppmm, based on the total mass of the lubricating oil composition.2. A lubricating oil composition according to claim 1 , wherein the first detergent has a calcium content of from 2 mass % to 16 mass % claim 1 , based on the mass of the first detergent claim 1 , andtor the second detergent has a calcium content of from 4 mass % to 16 mass % claim 1 , based on the mass of the second detergent.3. A lubricating oil composition according to claim 1 , wherein the second detergent has a boron content of from 1 mass % to 10 mass % claim 1 , based on the mass of the second detergent.4. A lubricating oil composition according to claim 1 , wherein the first and second detergents together provide a calcium content in ...

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13-06-2019 дата публикации

ALKYLPHENOL DETERGENTS

Номер: US20190177636A1
Принадлежит:

The disclosed technology provides alkylphenol-containing detergent having at least one unit (a) of an alkyl-substituted phenol wherein the alkyl group is derived from oligomers of an olefin compound containing 3 to 8 carbon atoms, wherein the polyolefin-derived alkyl group comprises at least 30 mol percent of an olefin with 4 or more carbon atoms. The invention further relates to a method of lubricating a mechanical device with the lubricant composition. 1. An alkylphenol-containing detergent comprising at least one unit (a) of an alkyl-substituted phenol wherein the alkyl group is derived from oligomers of an olefin compound containing 3 to 8 carbon atoms , wherein the polyolefin-derived alkyl group comprises at least 30 mol percent of an olefin with 4 or more carbon atoms.2. An alkylphenol-containing detergent of claim 1 , where the phenol-containing detergent is a sulfur-bridged phenate detergent claim 1 , a sulfur-free alkylene-bridged phenate detergent claim 1 , a salicylate detergent claim 1 , or mixtures thereof.3. An alkylphenol-containing detergent of claim 2 , where the detergent comprises one or more alkali metals claim 2 , one or more alkaline earth metals claim 2 , or mixtures thereof.4. An alkylphenol-containing detergent of claim 3 , where the detergent is overbased.5. An alkylphenol-containing detergent of claim 4 , where the overbased detergent has a metal ratio of at least 1.5 claim 4 , at least 5 claim 4 , or at least 7.6. An alkylphenol-containing detergent of claim 1 , where the alkyl group comprises oligomers of n-butene claim 1 , where the alkyl group is a hydrocarbyl group of 12 to 48 carbon atoms.7. An alkylphenol-containing detergent of claim 1 , wherein the detergent is an overbased sulfur-coupled phenate detergent with a metal ratio of at least 1.5.9. An alkylphenol-containing detergent of claim 1 , wherein the detergent is a neutral or overbased salt of alkylsalicylic acid.11. A lubricating composition comprising (a) an oil of ...

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20-06-2019 дата публикации

Composition and Method of Manufacturing Calcium Magnesium Sulfonate Greases

Номер: US20190185777A1
Принадлежит:

A sulfonate-based grease composition and method of manufacture comprising (1) addition of both overbased calcium sulfonate and overbased magnesium sulfonate in a ratio range of 60:40 to 100:1, with the magnesium sulfonate added all at once, a portion prior to conversion and another portion after conversion, and/or one more delay periods between the addition of water or other reactive ingredient and the addition of magnesium sulfonate; (2) one or more delay periods between the addition of at least a portion of a facilitating acid and at least a portion of the next subsequently added ingredient; (3) no conventional non-aqueous converting agents added prior to conversion; or (4) a combination thereof. The grease has a high dropping point and reduced thickener yield. 1. A sulfonate-based grease composition comprising the following ingredients: (1) overbased calcium sulfonate; (2) overbased magnesium sulfonate; (3) water as a converting agent; (4) optionally one or more complexing acids; and (5) optionally a base oil.2. The sulfonate-based grease composition of wherein the composition comprises 10-22% overbased calcium sulfonate and 0.1-10% overbased magnesium sulfonate as ingredients by weight of the final grease.3. The sulfonate-based grease composition of wherein water is the sole conventional converting agent that is not also a complexing acid.4. The sulfonate-based grease composition of further comprising an alkali metal hydroxide.5. The sulfonate-based grease composition of wherein no conventional non-aqueous converting agents are included. This application is a continuation-in-part of U.S. application Ser. No. 15/593,792 filed on May 12, 2017, which claims the benefit of U.S. provisional patent application No. 62/338,193 filed May 18, 2016. This application is also a continuation-in-part of U.S. application Ser. No. 15/593,839 filed on May 12, 2017, which claims the benefit of U.S. provisional patent application No. 62/338,193 filed May 18, 2016. This application ...

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20-06-2019 дата публикации

LUBRICANT COMPOSITIONS FOR DIRECT INJECTION ENGINES

Номер: US20190185778A1
Принадлежит:

The disclosed technology provides a lubricating composition and a method of lubricating an internal combustion engine where the lubricating composition contains an oil of lubricating viscosity, one or more metal-containing, sulfur-free, alkyl-phenol based detergents, an alkaline earth metal sulfonate detergent, a polyisobutenyl succinimide dispersant, and a dispersant viscosity modifier having a number average molecular weight of at least 20,000. The lubricating composition of the present invention can be formulated to have lower HTHS viscosity, and reduced phosphorous content, while providing protection against adhesive wear. 2. The composition of wherein the lubricating composition contains less than 0.15 wt % of a sulfur-coupled phenate detergent.3. The composition of wherein the composition is substantially free of sulfur-coupled phenate detergents.5. The composition of wherein the dispersant viscosity modifier comprises a mixture of at least one low molecular weight dispersant viscosity modifier claim 1 , derived from a polyolefin having a number average molecular weight of less than 20 claim 1 ,000 claim 1 , and at least one high molecular weight dispersant viscosity modifier claim 1 , derived from a polyolefin having a number average molecular weight of at least 40 claim 1 ,000.6. The composition of wherein the at least one low molecular weight dispersant viscosity modifier is derived from a polyolefin having a number average molecular weight of 10 claim 5 ,000 or lower.7. The composition of wherein the at least one high molecular weight dispersant viscosity modifier is derived from a polyolefin having a number average molecular weight of at least 45 claim 5 ,000.8. The composition of wherein the sulfur-free alkylphenol-based detergent is selected from alkylene coupled alkylphenol detergents claim 1 , alkyl salicylate detergents claim 1 , and combinations thereof.9. The composition of wherein the sulfur-free alkylphenol-based detergent comprises Mg saligenin. ...

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11-06-2020 дата публикации

GREASE COMPOSITION, MACHINE COMPONENT, AND STARTER OVERRUNNING CLUTCH

Номер: US20200181521A1
Принадлежит:

A silicone grease composition is disclosed. The grease composition contains a silicone oil and zinc dialkyldithiocarbamate as an extreme-pressure additive. The grease composition contains substantially no zinc dialkyldithiophosphate. The grease composition achieves high friction characteristics and wear characteristics. A method for transmitting torque of a clutch or a torque limiter mechanism is also disclosed. Moreover, a method for producing a clutch or a torque limiter mechanism is disclosed. The methods utilize the aforementioned grease composition. 19-. (canceled)10. A method for transmitting torque of a clutch or a torque limiter mechanism , the method comprising enclosing a grease composition in a lubricating part of the clutch or the torque limiter mechanism , wherein the grease composition comprises:(A) a silicone oil;(B) zinc dialkyldithiocarbamate; and 'wherein the grease composition comprises substantially no zinc dialkyldithiophosphate (BX).', '(C) a thickener;'}11. The method according to claim 10 , wherein a content of the zinc dialkyldithiophosphate (BX) is 0.01 mass % or less relative to the total amount of the grease composition.12. The method according to claim 10 , wherein a content of the zinc salt (B) is from 5 mass % to 30 mass % relative to the total amount of the grease composition.13. The method according to claim 10 , wherein the thickener (C) is selected from the group consisting of lithium soap and lithium complex soap.14. The method according to claim 10 , wherein a content of the silicone oil (A) is in a range of 50 mass % to 95 mass % relative to the total amount of the grease composition claim 10 , and the silicone oil (A) has an aromatic hydrocarbon group per molecule.15. The method according to claim 10 , wherein the clutch is an overrunning clutch and wherein the grease composition is enclosed in a clutch cam chamber formed by an outer clutch and an inner clutch.16. The method according to claim 11 , wherein a content of the zinc ...

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11-06-2020 дата публикации

LUBRICATING OIL COMPOSITION

Номер: US20200181529A1
Принадлежит:

A lubricant composition contains a lubricant base oil, (A) a detergent containing magnesium, (B) a compound containing boron, and (C) a zinc dialkyl dithiophosphate. The amount of component (A) is in the range of 200 to 1200 mass ppm [Mg] based on the mass of the lubricant composition, and the amount of component (C) is in the range of 300 to 1000 mass ppm [P] based on the mass of the lubricant composition. Component (C) includes a zinc dialkyl dithiophosphate having a primary alkyl group or a secondary alkyl group; the lubricant composition includes zinc dialkyl dithiophosphate having a secondary alkyl group; the mass ratio of the zinc dialkyl dithiophosphate having a primary alkyl group and the zinc dialkyl dithiophosphate having a secondary alkyl group is from 70:30 to 0:100; and the concentration of [B] is from 100 to 300 mass ppm based on the mass of the lubricant composition. 1. A lubricating oil composition comprising a lubricant base oil , (A) a detergent containing magnesium , (B) a boron-containing compound , and (C) a zinc dialkyldithiophosphate , wherein an amount of component (A) is from 200 to 1200 ppm by weight in terms of a magnesium concentration [Mg] which is ppm by weight of magnesium based on the lubricating oil composition;an amount of component (C) is from 300 to 1000 ppm by weight in terms of a phosphorus concentration [P] which is ppm by weight of phosphorus based on the lubricating oil composition;component (C) is one or more selected from zinc dialkyldithiophosphates having a primary alkyl group and/or a secondary alkyl group, wherein the lubricating oil composition comprises at least one zinc dialkyldithiophosphate having a secondary alkyl group, and a weight ratio of a zinc dialkyldithiophosphate having a primary alkyl group to a zinc dialkyldithiophosphate having a secondary alkyl group is from 0/100 to 70/30; anda boron concentration [B] is from 100 to 300 ppm by weight based on the lubricating oil composition.2. The lubricating oil ...

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26-07-2018 дата публикации

IONIC LIQUIDS CONTAINING SYMMETRIC QUATERNARY PHOSPHONIUM CATIONS AND PHOSPHORUS-CONTAINING ANIONS, AND THEIR USE AS LUBRICANT ADDITIVES

Номер: US20180208869A1
Автор: Luo Huimin, Qu Jun
Принадлежит: UT-BATTELLE, LLC

An ionic liquid composition having the following generic structural formula: 135-. (canceled)37. The lubricant composition of claim 36 , wherein said ionic liquid is dissolved in an amount of 0.1 to 5 wt % in said base oil.38. The lubricant composition of claim 36 , wherein said ionic liquid is dissolved in an amount of 0.1 to 2 wt % in said base oil.39. The lubricant composition of claim 36 , wherein said zinc dialkyldithiophosphate is included in the lubricating composition in an amount of up to 1 wt % by weight of the lubricating composition.40. The lubricant composition of claim 36 , wherein R claim 36 , R claim 36 , R claim 36 , and Rare equivalent and selected from alkyl groups containing at least eight carbon atoms.41. The lubricant composition of claim 36 , wherein said base oil is a mechanical lubricating oil.42. The lubricant composition of claim 36 , wherein Rand Rare alkyl groups containing at least six carbon atoms.43. The lubricant composition of claim 36 , wherein Rand Rare branched alkyl groups.45. The lubricant composition of claim 44 , wherein Rand Rare alkyl groups containing at least six carbon atoms.46. The lubricant composition of claim 44 , wherein Rand Rare branched alkyl groups. This application is a continuation of U.S. Ser. No. 14/184,754 filed Feb. 20, 2014, the entire contents of which are incorporated herein by reference.This invention was made with government support under Prime Contract No. DE-AC05-00OR22725 awarded by the U.S. Department of Energy. The government has certain rights in the invention.The present invention relates generally to the fields of ionic liquids, and more particularly, to their application as additives in lubricating oils, such as engine and motor oils.Ionic liquids have been explored as lubricant additives for at least the last decade. However, several drawbacks have been encountered with the ionic liquids used in the art for this purpose. In particular, the ionic liquids used in the art generally possess ...

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25-06-2020 дата публикации

LUBRICATING OIL COMPOSITION

Номер: US20200199484A1
Автор: IWAI Toshiaki
Принадлежит: IDEMITSU KOSAN CO., LTD.

Disclosed is a lubricating oil composition capable of inhibiting vibrations or noises generated between a pulley and a chain or between a pulley and a belt in a CVT or the like, while increasing an intermetallic friction coefficient, the composition containing a base oil, an alkaline earth metal-based detergent (A), a phosphite ester (B1), a phosphate ester amine salt (B2), an acidic phosphate ester (B3), an aliphatic monoamine (C1), and an aromatic monoamine (C2).

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04-07-2019 дата публикации

INTERNAL COMBUSTION ENGINE LUBRICATING OIL COMPOSITION

Номер: US20190203146A1
Автор: Iino Shinji, SUMI Taro
Принадлежит: ADEKA CORPORATION

An internal combustion engine lubricating oil composition containing a base oil that is a hydrocarbon oil containing less than 1% by mass of aromatic components and having a sulphur content of less than 20 ppm by mass; a specific organic molybdenum compound as a component (A) at 300 to 1500 ppm by mass as molybdenum atoms; and a borate ester compound as a component (B) at 100 to 1000 ppm by mass as boron atoms. 2. The internal combustion engine lubricating oil composition according to claim 1 , wherein a mass ratio of boron atoms derived from the component (B) relative to molybdenum atoms derived from the component (A) is 0.2 to 2.2.3. The internal combustion engine lubricating oil composition according to claim 1 , further comprising claim 1 , as a component (C) claim 1 , at least one metal-based cleaner selected from the group consisting of calcium-based cleaners and magnesium-based cleaners claim 1 , wherein a total content of calcium atoms and magnesium atoms is 0.05% to 0.4% by mass.4. The internal combustion engine lubricating oil composition according to claim 1 , further comprising claim 1 , as a component (D) claim 1 , a succinimide dispersant at 0.5% to 10% by mass.6. The internal combustion engine lubricating oil composition according to claim 1 , further containing as a component (F) claim 1 , at least one antioxidant selected from the group consisting of phenolic antioxidants and amine antioxidants at 0.1% to 1% by mass. The present invention relates to an internal combustion engine lubricating oil composition containing an organic molybdenum compound.In order to promote reduction of automobile fuel consumption, improvements in engine oils are being investigated together with reduction of the body weight of automobiles, improvement of engines and improvement of automobiles per se. For engine oils, reduction of fuel consumption by reducing engine oil viscosity and friction is being investigated. However, reduction of viscosity causes a problem of ...

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02-07-2020 дата публикации

Low Zinc Lubricant Composition

Номер: US20200208074A1
Принадлежит: THE LUBRIZOL CORPORATION

The disclosed technology relates to lubricants for compression ignition internal combustion engines, particularly those demonstrating at least one of improved seals performance, reduced deposit formation, and excellent durability. The present invention provides a low zinc lubricating composition comprising (a) an oil of lubricating viscosity, (b) a borated dispersant, and (c) a metal-free organo-phosphorus anti-wear additive, wherein the lubricating composition is substantially free of a metal containing sulfur coupled alkyl phenol compound. Further, the low zinc lubricating composition contains zinc in an amount less than 600 ppm by weight of the composition. 1. A low zinc lubricating composition comprising:an oil of lubricating viscosity;a borated dispersant; anda metal-free organo-phosphorus anti-wear additive, wherein the lubricating composition is substantially free of a metal-containing sulfur-coupled alkylphenol,wherein the lubricating composition contains zinc in an amount less than 600 ppm by weight of the composition.2. The lubricating composition of claim 1 , wherein the borated dispersant comprises at least one of a borated succinimide dispersant claim 1 , a borated Mannich dispersant claim 1 , a borated polyolefin succinic acid ester claim 1 , amide or ester-amide and mixtures thereof.3. The lubricating composition of claim 1 , wherein the borated dispersant comprises a borated polyalkenyl succinimide derived from a polyolefin having number average molecular weight of 350 to 5000 Daltons and a vinylidene content of at least 50 mol %.4. The lubricating composition of claim 1 , wherein the borated dispersant is present in an amount of about 1 wt. % to about 4 wt. % of the composition.5. The lubricating composition of claim 1 , wherein the borated dispersant is present in an amount to deliver at least 25 ppm boron to the composition.6. The lubricating composition of claim 1 , further comprising a phosphorus-free anti-wear additive.7. The lubricating ...

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09-08-2018 дата публикации

Lubricating composition with seals compatibility

Номер: US20180223216A1
Принадлежит: Lubrizol Corp

The disclosed technology relates to a lubricating composition additives that prevent or reduce seals degradation, especially in the presence of basic amine compounds which impart basicity (measured as total base number or TBN) to the lubricating composition. The lubricating composition contains (a) an oil of lubricating viscosity, (b) a basic amine compound, and (c) a 1,3-dioxane-4,6-dione compound.

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18-07-2019 дата публикации

GREASE COMPOSITION AND HUB UNIT

Номер: US20190218474A1
Принадлежит:

A grease composition includes a base oil, a thickener, and an additive. The base oil contains a synthetic oil. The thickener contains a compound having a urea group. The additive contains a phosphoric compound, a calcium-based compound, and a hydrocarbon-based wax. A hub unit includes the grease composition enclosed therein. 1. A grease composition , comprising a base oil , a thickener , and an additive , wherein:the base oil contains a synthetic oil;the thickener contains a compound having a urea group; andthe additive contains a phosphoric compound, a calcium-based compound, and a hydrocarbon-based wax.3. The grease composition according to claim 1 , wherein the base oil has a kinematic viscosity at −30° C. of 5000 mm/s or less.4. The grease composition according to claim 1 , wherein the base oil has a kinematic viscosity at 40° C. of 20 to 50 mm/s.5. The grease composition according to claim 1 , wherein:the phosphoric compound is an amine phosphate; anda content of the amine phosphate in the grease composition is 0.05 to 5 mass %.6. The grease composition according to claim 1 , wherein:the calcium-based compound is an overbased calcium sulfonate;the overbased calcium sulfonate has a base number of 50 to 500 mgKOH/g; anda content of the overbased calcium sulfonate in the grease composition is 0.05 to 5 mass %.7. The grease composition according to wherein:the hydrocarbon-based wax is a polyethylene wax; anda content of the polyethylene wax in the grease composition is 0.05 to 5 mass %.8. The grease composition according to claim 1 , wherein:the synthetic oil is a mixed oil including a synthetic hydrocarbon oil and an ester oil; anda ratio of the ester oil to the mixed oil is 5 to 15 mass %.9. The grease composition according to wherein a content of the compound having a urea group in the grease composition is 5 to 15 mass %.10. A hub unit in which the grease composition according is enclosed.11. The grease composition according to claim 2 , wherein the base oil ...

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16-07-2020 дата публикации

LUBRICATING OIL COMPOSITION FOR INTERNAL COMBUSTION ENGINE

Номер: US20200224118A1
Автор: Hanyuda Kiyoshi, UEDA Mao
Принадлежит:

The invention provides a lubricating oil composition for internal combustion engines, containing a base oil composition containing a GTL base oil as a main component, and having % Cn of 14 to 25% and an aniline point of 120 to 126° C., and a comb-like polymethacrylate based viscosity index improver having a weight average molecular weight (Mw) of 400,000 or more, wherein a N sulfur content is 0.3 mass % or less based on a total weight of the lubricating oil composition. 2. The lubricating oil composition for internal combustion engines according to claim 1 , wherein a kinematic viscosity at 100° C. of the base oil composition is 3.5 to 8 mm2/s.3. The lubricating oil composition for internal combustion engines according to claim 1 , wherein an SAE viscosity grade is 0W-20 or 5W-20 and a viscosity index is 180 or more claim 1 , or the SAE viscosity grade is 5W-30 and the viscosity index is 220 or more.4. The lubricating oil composition for internal combustion engines according to claim 1 , wherein a viscosity index of the base oil composition is 120 or more.5. The lubricating oil composition for internal combustion engines according to claim 1 , wherein the base oil composition contains a GTL base oil and a base oil belonging to Group II of API classification. The present invention relates to a lubricating oil composition for internal combustion engines. Specifically, the present invention relates to a lubricating oil composition for automobile engines (especially diesel engines). More specifically, the present invention relates to a lubricating oil composition for the internal combustion engines that is excellent in fuel efficiency, oil consumption control and detergency.A problem with crankcase lubricating oil is that the lubricating oil is liable to escape from the crankcase due to so-called blow-by gas. The blow-by gas or such a gas/lubricating oil mixture is preferably recycled to the engine rather than being discharged to the atmosphere. In some engines, such ...

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23-08-2018 дата публикации

Composition Containing Heterocyclic Compounds and a Method of Lubricating an Internal Combustion Engine

Номер: US20180237715A1
Принадлежит:

The present invention relates to a lubricating composition containing (a) an oil of lubricating viscosity; and(b) a compound selected from the group consisting of: (i) an ester-containing heterocycle; (ii) an amide-containing heterocycle; and (iii) a pyrimidine, wherein the ester-containing heterocycle and the amide-containing heterocycle have a hydrocarbyl group containing 6 to 40 carbon atoms. The invention further provides for a method of supplying an internal combustion engine with the lubricating composition. 2. The method of claim 1 , wherein the lubricating composition has at least one of (i) a sulphur content of 0.8 wt % or less claim 1 , (ii) a phosphorus content of 0.2 wt % or less claim 1 , or (iii) a sulphated ash content of 2 wt % or less.3. The method of claim 1 , wherein the lubricating composition further comprises 0.1 wt % to 4 wt % of an overbased detergent selected from the group consisting of phenates claim 1 , sulphur containing phenates claim 1 , sulphonates claim 1 , salicylates claim 1 , and mixtures thereof.4. The method of claim 1 , wherein the lubricating composition further comprises a phosphorus-containing antiwear agent that is present in an amount to deliver 100 ppm to 1000 ppm phosphorus to the lubricating composition5. The method of claim 1 , wherein the lubricating composition further comprises:(c) 0.1 wt% to 4 wt % of an overbased detergent selected from the group consisting of phenates, sulphur containing phenates, sulphonates, salicylates, and mixtures thereof; and(d) a phosphorus-containing antiwear agent that is present in an amount to deliver 100 ppm to 1000 ppm phosphorus to the lubricating composition.6. The method of claim 1 , wherein the lubricating composition comprising an oil of lubricating viscosity which is an API Group I claim 1 , Group II claim 1 , Group III claim 1 , or Group IV oil claim 1 , or mixtures thereof.7. The method of claim 1 , wherein the engine has components having surfaces comprising iron and/or ...

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01-08-2019 дата публикации

Method for lubricating internal combustion engine

Номер: US20190233758A1
Автор: Shigeki Takeshima
Принадлежит: JXTG Nippon Oil and Energy Corp

A method for lubricating an internal combustion engine, the method including: supplying a lubricating oil composition to a cylinder of an internal combustion engine, wherein the internal combustion engine has a mean effective pressure of no less than 1.3 MPa, wherein an integrated intensity ratio of peaks of CaO in a X-ray diffraction spectrum of an ash is no more than 16.5%, the ash being obtained by incinerating the lubricating oil composition in an air at 950° C.

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23-07-2020 дата публикации

ALKYLPHENOL DETERGENTS

Номер: US20200231891A1
Принадлежит:

The disclosed technology provides alkylphenol-containing detergent having at least one unit (a) of an alkyl-substituted phenol wherein the alkyl group is derived from oligomers of an olefin compound containing 3 to 8 carbon atoms, wherein the polyolefin-derived alkyl group comprises at least 30 mol percent of an olefin with 4 or more carbon atoms. The invention further relates to a method of lubricating a mechanical device with the lubricant composition. 1. An alkylphenol-containing detergent comprising at least one unit (a) of an alkyl-substituted phenol wherein the alkyl group is derived from oligomers of an olefin compound containing 3 to 8 carbon atoms , wherein the polyolefin-derived alkyl group comprises at least 30 mol percent of an olefin with 4 or more carbon atoms.2. An alkylphenol-containing detergent of claim 1 , where the phenol-containing detergent is a sulfur-bridged phenate detergent claim 1 , a sulfur-free alkylene-bridged phenate detergent claim 1 , a salicylate detergent claim 1 , or mixtures thereof.3. An alkylphenol-containing detergent of claim 2 , where the detergent comprises one or more alkali metals claim 2 , one or more alkaline earth metals claim 2 , or mixtures thereof.4. An alkylphenol-containing detergent of claim 3 , where the detergent is overbased.5. An alkylphenol-containing detergent of claim 4 , where the overbased detergent has a metal ratio of at least 1.5 claim 4 , at least 5 claim 4 , or at least 7.6. An alkylphenol-containing detergent of claim 1 , where the alkyl group comprises oligomers of n-butene claim 1 , where the alkyl group is a hydrocarbyl group of 12 to 48 carbon atoms.7. An alkylphenol-containing detergent of claim 1 , wherein the detergent is an overbased sulfur-coupled phenate detergent with a metal ratio of at least 1.5.9. An alkylphenol-containing detergent of claim 1 , wherein the detergent is a neutral or overbased salt of alkylsalicylic acid.11. A lubricating composition comprising (a) an oil of ...

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23-07-2020 дата публикации

GREASE COMPOSITION

Номер: US20200231895A1
Принадлежит:

A grease composition containing a base oil and a calcium complex soap as a thickening agent, wherein a C18-22 straight chain, substituted or unsubstituted higher fatty acid; a substituted or unsubstituted aromatic monocarboxylic acid having a benzene ring; a C2-4 straight-chain saturated lower fatty acid; and a substituted or unsubstituted saturated dicarboxylic acid are used as carboxylic acids constituting the calcium complex soap. 1. A grease composition containing a base oil and a calcium complex soap as a thickening agent , wherein a C18-22 straight chain , substituted or unsubstituted higher mono fatty acid; a substituted or unsubstituted aromatic monocarboxylic acid having a benzene ring; a C2-4 straight-chain saturated lower mono fatty acid; and a substituted or unsubstituted saturated dicarboxylic acid are used as carboxylic acids constituting the calcium complex soap.2. The grease composition according to claim 1 , wherein a weight ratio of the calcium dicarboxylate compound to the total thickening agent of the grease composition is 5 to 70%.3. The grease composition according to claim 1 , wherein the substituted or unsubstituted saturated dicarboxylic acid has 4 to 20 carbon atoms. The present invention relates to a grease composition. More particularly, the present invention relates to a calcium complex grease composition.Recently, with the advancement of mechanical technology, the lubrication environment is becoming harsher and consequently, there is an increased demand for improved performance at high temperatures, and the grease satisfying this demand is required.Of these, for example, the lithium complex grease having a wider operating temperature range than the lithium grease has been proposed for the lithium soap-based grease. However, since the lithium is a raw material of lithium grease, there is a concern about instability of supply or steep rise in cost in the future due to a recent increase in demand.On the other hand, the urea grease is ...

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08-08-2019 дата публикации

LUBRICATING COMPOSITION COMPRISING SULFONATE DETERGENT AND ASHLESS HYDROCARBYL PHENOLIC COMPOUND

Номер: US20190241829A1
Принадлежит:

The disclosed technology provides lubricating compositions comprising an oil of lubricating viscosity, an alkaline earth metal sulfonate detergent having a metal ratio of at least 10, in an amount to contribute 3 to 14 g KOH/kg of TBN to the lubricating composition, an ashless, sulfur free, hydrocarbyl phenolic compound in an amount of 0.4 to about 6.0 weight percent (wt %) of the composition, and an ashless dispersant; wherein the lubricating composition has total ash of 0.3 to 1.8 wt %, total detergent soap of 0.1 to 1.2 wt % and wherein the lubricating composition contains less than 0.1 wt % of a sulfur-containing phenolic detergent. The disclosed technology further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition. The disclosed technology further relates to the use of the of the lubricating composition in a heavy duty diesel internal combustion engine to improve control of at least one of the following (i) fuel economy, (ii) corrosion, (iii) cleanliness, and (iv) bore wear. 1. A lubricating composition comprising:a) an oil of lubricating viscosity;b) an alkaline earth metal sulfonate detergent having a metal ratio of at least 10, in an amount to contribute 3 to 14 g KOH/kg of TBN to the lubricating composition;c) an ashless, sulfur free, hydrocarbyl phenolic compound in an amount 0.4 wt % to about 6.0 wt % of the composition; andd) an ashless dispersant;wherein the lubricating composition has total ash of 0.3 to 1.8 wt %;wherein the lubricating composition has total detergent soap in an amount 0.1 weight percent to 1.2 wt %; andwherein the lubricating composition contains less than 0.1 wt % of a sulfur-containing phenolic detergent.2. The lubricating composition of claim 1 , wherein the ashless claim 1 , sulfur free claim 1 , hydrocarbyl phenolic compound comprises an oxyalkylated hydrocarbyl phenolic compound.3. The lubricating composition of claim 2 , wherein the oxyalkylated ...

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06-09-2018 дата публикации

ESTOLIDE COMPOSITIONS EXHIBITING SUPERIOR HIGH-PERFORMANCE PROPERTIES

Номер: US20180251702A1
Автор: BREDSGUARD Jakob
Принадлежит:

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. 1117-. (canceled)119. The composition according to claim 118 , comprising30 to 40% by weight of the estolide base oil;5 to 15% by weight of the at least one metal salt detergent inhibitor;at least 0.1% by weight of the at least one antioxidant; andat least 1% by weight of at least one viscosity modifier; and40 to 55% by weight of the at least one non-estolide base oil.120. The composition according to claim 118 , wherein the bio-based content of at least 25% by weight of the composition is derived from the estolide base oil.121. The composition according to claim 118 , wherein the composition exhibits a weighted piston deposit rating of at least 7 when tested according to ASTM Method 7320.122. The composition of claim 118 , further comprising at least one viscosity modifier.123. The composition of claim 122 , wherein the at least one viscosity modifier comprises at least 1% by weight of the composition.124. The composition of claim 123 , wherein the at least one viscosity modifier comprises a styrene-type polymer.125. The composition of claim 124 , wherein the at least one viscosity modifier comprises a styrene-diene type polymer.126. The composition of claim 124 , wherein the at least one viscosity modifier comprises about 2% to about 5% by weight of the composition.127. The composition of claim 118 , wherein the at least one metal salt detergent inhibitor comprises a metal sulfonate.128. The composition of claim 127 , wherein the at least one metal salt detergent inhibitor comprises a calcium sulfonate.129. The composition of claim 118 , wherein the non-estolide base oil is a semi-synthetic oil.130. The composition of claim 129 , wherein the semi-synthetic oil is a Group III base oil.131. The composition of claim 118 , wherein the estolide base oil has an iodine value ...

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22-08-2019 дата публикации

MARINE DIESEL LUBRICANT OIL COMPOSITIONS

Номер: US20190256791A1
Принадлежит:

A lubricating oil composition includes a major amount of an oil of lubricating viscosity and about 0.1 wt. % to about 10 wt. % actives, based on the total weight of the lubricating oil composition, of at least one Mannich reaction product prepared by the condensation of a polyisobutyl-substituted hydroxyaromatic compound, wherein the polyisobutyl group is derived from polyisobutene containing at least about 70 wt. % methylvinylidene isomer and has a number average molecular weight of from about 400 to about 2500, an aldehyde, an amino acid or ester derivative thereof, and an alkali metal base. The lubricating oil composition can have a TBN of 5 to 200 mg KOH/g. The lubricating oil composition is a monograde lubricating oil composition meeting the specifications for SAE J300 revised January 2015 requirements for a SAE 20, SAE 30, SAE 40, SAE 50 or SAE 60 monograde lubricating oil. 1. A marine diesel lubricating oil composition comprising:(a) a major amount of an oil of lubricating viscosity; and(b) about 0.1 wt. % to about 10 wt. % actives, based on the total weight of the lubricating oil composition, of at least one Mannich reaction product prepared by the condensation of a polyisobutyl-substituted hydroxyaromatic compound, wherein the polyisobutyl group is derived from polyisobutene containing at least about 70 wt. % methylvinylidene isomer and has a number average molecular weight of from about 400 to about 2500, an aldehyde, an amino acid or ester derivative thereof, and an alkali metal base;wherein the lubricating oil composition has a BN of 5 to 200 mg KOH/g, and further wherein the marine diesel lubricating oil composition is a monograde lubricating oil composition meeting the specifications for SAE J300 revised January 2015 requirements for a SAE 20, SAE 30, SAE 40, SAE 50 or SAE 60 monograde lubricating oil.2. The marine diesel lubricating oil composition according to claim 1 , wherein the BN is between 5 to 150 mg KOH/g claim 1 , between 5 to 100 mg KOH/g ...

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21-09-2017 дата публикации

LUBRICATING COMPOSITION CONTAINING AN OXYALKYLATED HYDROCARBYL PHENOL

Номер: US20170267941A1
Автор: ZHANG Yanshi
Принадлежит:

The disclosed technology provides lubricating composition comprising: an oil of lubricating viscosity, a p-dodecyl-phenol-free detergent and an oxyalkylated hydrocarbyl phenol, wherein the oxyalkylated hydrocarbyl phenol is substituted with at least one aliphatic hydrocarbyl group of 1 to 250 carbon atoms (or 20 to 220, or 30 to 150 carbon atoms), and wherein the oxyalkylated hydrocarbyl phenol is substantially free of aromatic hydrocarbyl groups. The disclosed technology further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition. The disclosed technology further relates to the use of the of the lubricating composition in a passenger car internal combustion engine to improve control of at least one of the following (i) fuel economy, (ii) corrosion, (iii) cleanliness, and (iv) bore wear.

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29-08-2019 дата публикации

ALIPHATIC TETRAHEDRAL BORATE COMPOUNDS FOR LUBRICATING COMPOSITIONS

Номер: US20190264123A1
Принадлежит:

An additive for a lubricating composition includes an ionic tetrahedral borate compound which includes a cation and a tetrahedral borate anion having a boron atom, the boron atom has at least one aliphatic bidentate di-oxo ligand. The cation may be selected to provide detergent and/or dispersant and/or antioxidant properties to a lubricating composition. 1. An additive for a lubricating composition comprising:an ionic tetrahedral borate compound comprising a cation and a tetrahedral borate anion which comprises a boron atom, the borate anion having at least one bidentate di-oxo ligand formed from reaction of a trivalent boron compound and an aliphatic di-hydroxyl compound, andwherein the borate anion is substantially free of a bidentate aromatic di-oxo ligand.2. The additive of claim 1 , wherein the trivalent boron compound is selected from the group consisting of boric acid claim 1 , borate esters claim 1 , and combinations thereof.3. The additive of claim 1 , wherein the aliphatic di-hydroxyl compound is selected from the group consisting of 1 claim 1 ,2 vicinal diols claim 1 , aliphatic derivatives of hydroxy carboxylic acids claim 1 , aliphatic derivatives of di- and poly carboxylic acids and blends thereof.5. The additive of claim 4 , wherein the hydroxy-carboxylic acid is tartaric acid or citric acid.6. The additive of claim 1 , wherein the aliphatic di-hydroxyl compound is an imide derivative of tartartic acid.7. The additive of claim 1 , wherein the 1 claim 1 ,2 vicinal diols are selected from the group consisting of monoalkyl glycols claim 1 , monoalkyl glycerols claim 1 , monoacyl glycerols claim 1 , and blends thereof.8. The additive of claim 7 , wherein the 1 claim 7 ,2 vicinal diol is glycerol monooleate.10. The additive of claim 9 , wherein the substituted 5-membered or 6-membered ring is substituted with at least one substituent selected from aliphatic hydrocarbyl groups claim 9 , aliphatic hydrocarbyl groups comprising at least one heteroatom claim 9 ...

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29-08-2019 дата публикации

LUBRICANT ADDITIVE COMPOSITION, LUBRICATING COMPOSITION CONTAINING SAME AND ENGINE OIL COMPOSITION CONSISTING OF LUBRICATING COMPOSITION

Номер: US20190264125A1
Принадлежит: ADEKA CORPORATION

A lubricant additive composition including, as a component (A), an organic molybdenum compound represented by general formula (1) described in the specification, and as a component (B), an amine compound represented by general formula (2) described in the specification, wherein content of the component (B) is 1 to 20 parts by mass relative to 100 parts by mass of molybdenum atoms of the component (A), and a lubricating composition containing same. 2. A lubricating composition comprising a base oil claim 1 , and the lubricant additive composition according to .3. The lubricating composition according to claim 2 , further comprising claim 2 , as a component (C) claim 2 , an alkaline earth metal salicylate.4. The lubricating composition according to claim 2 , further comprising claim 2 , as a component (D) claim 2 , an alkenyl succinimide dispersant.5. The lubricating composition according to claim 2 , further comprising claim 2 , as a component (E) claim 2 , a phenolic antioxidant.7. The lubricating composition according to claim 2 , further comprising claim 2 , as a component (G) claim 2 , at least one ashless friction regulator selected from the group consisting of polyhydric alcohol fatty acid partial esters claim 2 , (poly)glycerol alkyl ethers claim 2 , alkyl alkanolamines claim 2 , alkenyl alkanolamines and fatty acid alkanolamides.8. An engine oil composition consisting of the lubricating composition according to . The present invention relates to a lubricant additive composition containing an organic molybdenum compound, a lubricating composition containing the lubricant additive composition and an engine oil consisting of the lubricating composition.Reductions in automobile fuel consumption initiated due to the oil crisis is a very important issue in view of resource protection and environmental protection. Automotive fuel consumption has been improved by reduction of the body weight of automobiles, improvements in engine combustion and reduction of friction ...

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29-08-2019 дата публикации

Functional fluids lubricating oil compositions

Номер: US20190264128A1
Принадлежит: Chevron Oronite Co LLC

Provided is a lubricating oil composition comprising a major amount of an oil of lubricating viscosity and a detergent system, and a method of improving brake and clutch capacity while maintaining low torque variation at low speed of a tractor hydraulic system.

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06-10-2016 дата публикации

LUBRICATING OIL COMPOSITION FOR INTERNAL COMBUSTION ENGINES OF PASSENGER AND COMMERCIAL FOUR-WHEELED VEHICLES

Номер: US20160289591A1
Принадлежит:

A lubricating oil composition for internal combustion engines of passenger and commercial four-wheeled vehicles is provided which can exhibit excellent fuel efficiency performance and wear resistance reliability. The lubricating oil composition includes a base oil and a complex polyester mixture. The base oil includes at least one of poly-α-olefin, an ester-based base oil, or a partially hydrogenated mineral oil. The complex polyester mixture includes a polyester obtained by condensing a polyhydric alcohol, a polycarboxylic acid, and a monohydric alcohol having an oxyalkylene group. The content of the complex polyester mixture is 0.01% by mass or more with respect to the total mass of the lubricating oil composition, the high-temperature shear viscosity (HTHS viscosity) at 150° C. is 1.0 mPa·s to 2.6 mPa·s, and the NOACK evaporation amount is 40% or less. 1. A lubricating oil composition for internal combustion engines of passenger and commercial four-wheeled vehicles comprising:a base oil; anda complex polyester mixture,wherein the base oil includes at least one of poly-α-olefin, an ester-based base oil, or a partially hydrogenated mineral oil,the complex polyester mixture includes a polyester obtained by condensing a polyhydric alcohol having at least two hydroxyl groups, a polycarboxylic acid including at least two carboxyl groups, and a monohydric alcohol having at least one oxyalkylene group,the content of the complex polyester mixture is 0.01% by mass or more with respect to the total mass of the lubricating oil composition for internal combustion engines,the HTHS viscosity of the lubricating oil composition for internal combustion engines, which is high-temperature shear viscosity at 150° C., is 1.0 mPa·s to 2.6 mPa·s, andthe NOACK evaporation amount is 40% or less.2. The lubricating oil composition for internal combustion engines according to claim 1 ,wherein the content of the complex polyester mixture is 0.01% by mass to 20% by mass with respect to the ...

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12-09-2019 дата публикации

Use of Lubricants on the Basis of Water-Soluble, High Viscosity Polyglycols

Номер: US20190276761A1

The present invention relates to the use of lubricants on the basis of water-soluble, high-viscosity polyethylene glycols for lubricating open gearing, which is for example used in rotary kilns and mills.

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12-09-2019 дата публикации

GREASE COMPOSITION AND ROLLING BEARING

Номер: US20190276763A1
Принадлежит: Minebea Mitsumi Inc.

The present invention is a grease composition, comprising a fluorine-based grease, a urea-based grease and a soap-based grease (a calcium complex soap thickener, a calcium soap thickener, a barium soap thickener, a magnesium soap thickener or a sodium soap thickener), and a rolling bearing in which the grease composition is filled. 1. A grease composition , comprising:a fluorine-based base oil and a non-fluorine-based base oil, as base oils; anda fluorine-based thickener, a urea-based thickener and at least one soap-based thickener selected from the group consisting of a calcium complex soap thickener, a calcium soap thickener, a barium soap thickener, a magnesium soap thickener and a sodium soap thickener, as thickeners,wherein the grease composition comprises:based on a total amount of the grease composition,70 mass % to 90 mass % of a total amount of the fluorine-based base oil and the non-fluorine-based base oil;9 mass % to 18 mass % of the fluorine-based thickener; and0.5 mass % to 7 mass % of the urea-based thickener.2. The grease composition according to claim 1 , wherein the urea-based thickener contains at least one of an aliphatic-aromatic urea claim 1 , an alicyclic-aliphatic urea and an aliphatic urea.3. The grease composition according to claim 2 , wherein the urea-based thickener contains a diurea compound represented by the following General Formula (1):{'br': None, 'sub': 1', '2', '3, 'R—NHCONH—R—NHCONH—R\u2003\u2003(1)'}{'sub': 1', '3', '1', '3, '(in the formula, Rand Reach independently represent a monovalent aliphatic hydrocarbon group, a monovalent alicyclic hydrocarbon group or a monovalent aromatic hydrocarbon group, and at least one of Rand Rrepresents a monovalent aliphatic hydrocarbon group or a monovalent alicyclic hydrocarbon group, and'}{'sub': '2', 'Rrepresents a divalent aromatic hydrocarbon group).'}4. The grease composition according to claim 1 , comprising 0.3 mass % to 3 mass % of the calcium complex soap thickener based on the ...

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26-09-2019 дата публикации

METHOD OF LUBRICATING AN INTERNAL COMBUSTION ENGINE

Номер: US20190292481A1
Принадлежит:

The invention provides a method of lubricating a compression-ignition internal combustion engine with a maximum laden mass over 2,700 kg comprising supplying to the engine a lubricating composition comprising: an oil of lubricating viscosity, a 300 TBN or higher alkaline earth metal sulphonate detergent having a metal ratio of 10 to 40, 0.1 wt % to 4 wt % of a borated polyisobutylene succinimide dispersant, wherein the polyisobutylene from which the borated polyisobutylene succinimide is derived has a number average molecular weight of 550 to 1150, and 0.1 wt % to 6 wt % of a polyisobutylene succinimide, wherein the polyisobutylene from which polyisobutylene succinimide is derived has a number average molecular weight of 1550 to 2500, 0 wt % to 0.2 wt % of a phenolic based detergent, wherein the total amount of soap delivered by the alkaline earth metal sulphonate (typically calcium sulphonate) is 0.4 to 1 wt % of the lubricating composition, and wherein the lubricating composition has a sulphated ash content of not more than 1.5 wt %. 2. The method of claim 1 , wherein the lubricating composition has (i) a sulphur content of 0.5 wt % or less claim 1 , (ii) a phosphorus content of 0.1 wt % or less claim 1 , and (iii) a sulphated ash content of 0.5 wt % to 1.5 wt %.3. The method of claim 1 , wherein the lubricating composition has at least one of (i) a sulphur content of 0.2 wt % to 0.4 wt % claim 1 , (ii) a phosphorus content of 0.08 wt % to 0.15 wt % claim 1 , and (iii) a sulphated ash content of 0.5 wt % to 1.5 wt %.4. The method of claim 2 , wherein the lubricating composition has a sulphated ash content of 0.5 wt % to 1.2 wt %.5. The method of claim 1 , wherein the lubricating composition has a total base number (TBN) content of at least 5 mg KOH/g.6. The method of claim 5 , wherein the lubricating composition has a total base number (TBN) content of 7 to 10 mg KOH/g.7. The method of claim 1 , wherein the 300 TBN or higher alkaline earth metal sulphonate ...

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26-09-2019 дата публикации

ENGINE LUBRICANTS FOR SILOXANE DEPOSIT CONTROL

Номер: US20190292484A1
Принадлежит:

A zinc free or substantially zinc free lubricant having a sulfated ash content of less than about 1.0 percent and including (a) an oil of lubricating viscosity; (b) 0.03 to about 3.0 weight percent of a phosphite compound; (c) an metal containing detergent; (d) a polyisobutylene succinimide dispersant derived from an ethylene polyamine and having a carbonyl to nitrogen ratio equal or greater than 1; (e) at least one other dispersant; (f) a boron containing compound in amount to provide at least 25 ppm boron to the lubricant composition is useful for inhibiting siloxane deposits in a stationary gas engine fueled by natural gas having a high silicon concentration. 1. A method for lubricating a natural gas fueled , sump-lubricated , stationary gas engine comprising supplying to the engine a lubricant composition comprising:(a) an oil of lubricating viscosity;(b) 0.03 to about 3.0 weight percent with respect to the lubricant of a phosphite compound;(c) a metal containing detergent;(d) at least a first dispersant, wherein the first dispersant is a polyisobutylene succinimide dispersant derived from an ethylene polyamine and having a carbonyl to nitrogen ratio equal or greater than 1;(e) at least one other dispersant selected from the group consisting of a succinimide dispersant having a carbonyl to nitrogen ratio less than 1, a Mannich dispersant, a succinamide dispersant, and a polyisobutylene succinic acid ester dispersant;a boron containing compound in amount to provide at least 25 ppm boron to the lubricant composition;wherein the lubricant composition is free or substantially free of zinc, andwherein the lubricant composition has a sulfated ash content of less than about 1.0 wt. %.2. The method of wherein the phosphite compound comprises a phosphite ester selected from the group consisting of phosphite diesters claim 1 , phosphite triesters and mixtures thereof.4. The method of wherein the phosphite compound comprises a phosphite diester having ester groups of 2 to ...

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25-10-2018 дата публикации

LUBRICATING COMPOSITION CONTAINING AN ANTIWEAR AGENT

Номер: US20180305632A1
Принадлежит:

The invention provides a lubricating composition containing an antiwear agent and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in an internal combustion engine, or a driveline device. 123-. (canceled)24. A lubricating composition comprising an oil of lubricating viscosity and 0.01 wt % to 2 wt % a non-metallic cationic pnictogen salt of a hydroxy-carboxylic acid , or mixtures thereof ,wherein the non-metallic cationic pnictogen salt of a hydroxy-carboxylic acid is a quaternary ammonium salt of a hydroxy-carboxylic acid,wherein the quaternary ammonium salt is derived from an amine comprising alkyl groups having 3 to 10 carbon atoms, andwherein the hydroxy-carboxylic acid is selected from the group consisting of glycolic acid, malic acid, tartaric acid and mixtures thereof.25. The lubricating composition of claim 24 , wherein lubricating composition contains 0.05 wt % to 0.1 wt % of the non-metallic cationic pnictogen salt of a hydroxy-carboxylic acid claim 24 , or mixtures thereof.26. The lubricating composition of claim 24 , wherein lubricating composition contains 0.03 wt % to 0.5 wt % of the non-metallic cationic pnictogen salt of a hydroxy-carboxylic acid claim 24 , or mixtures thereof.27. The lubricating composition of further comprising a zinc dialkyldithiophosphate.28. The lubricating composition of further comprising an overbased detergent claim 24 , wherein the overbased detergent is typically selected from the group consisting of phenates claim 24 , sulphur containing phenates claim 24 , sulphonates claim 24 , salixarates claim 24 , salicylates claim 24 , and mixtures thereof.29. The lubricating composition of claim 24 , wherein the lubricating composition is characterised as having (i) a sulphur content of 0.5 wt % or less claim 24 , (ii) a phosphorus content of 0.1 wt % or less claim 24 , and (iii) a sulphated ash content of 1.5 wt % or less.30. A method of lubricating an internal combustion ...

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03-10-2019 дата публикации

Lubricating Oil Composition

Номер: US20190300810A1
Принадлежит: Infineum International Limited

The invention relates to reducing friction coefficient in automotive lubricating oil, in particular although not exclusively at lower temperature by combining molybdenum dithiocarbamate additives with benzotriazole derivative corrosion inhibitors. 3. An automotive engine lubricating oil composition according to claim 1 , wherein the benzotriazole derivative (B) is present in an amount from 0.01 to 2 mass % claim 1 , on an active matter basis.4. An automotive engine lubricating oil composition according to claim 3 , wherein the benzotriazole derivative is present in the lubricating oil composition of the present invention in an amount of 0.01 to 0.04 mass % claim 3 , on an active matter basis.5. An automotive engine lubricating oil composition according to claim 1 , wherein the molybdenum dithiocarbamate compound (C) comprises only a dimeric molybdenum dithiocarbamate of Formula (II).6. An automotive engine lubricating oil composition according to claim 1 , wherein the molybdenum dithiocarbamate compound (C) comprises a mixture of dimeric molybdenum dithiocarbamate of Formula (II) and trimeric molybdenum dithiocarbamate of Formula (III).7. An automotive engine lubricating oil composition according to claim 1 , wherein the lubricating oil composition comprises a total amount of from 450 to 2000 ppm molybdenum from molybdenum dithiocarbamate component (C).8. An automotive engine lubricating oil composition according to claim 7 , wherein the molybdenum dithiocarbamate compound (C) provides the lubricating oil composition with from 600 to 900 ppm molybdenum.10. An automotive engine lubricating oil composition according to claim 9 , wherein the amount of aminic friction modifier of Formula (IV) in the lubricating oil composition does not exceed 5 mass % claim 9 , based on the total mass of the lubricating oil composition.11. An automotive engine lubricating oil composition according to claim 10 , wherein the amount of aminic friction modifier of Formula (IV) in the ...

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01-10-2020 дата публикации

LUBRICATING OIL COMPOSITION

Номер: US20200308503A1
Принадлежит:

The present invention relates to a lubricating oil composition containing a base oil (A), a molybdenum dithiocarbamate (B), an ester-based ashless friction modifier (C), and a metal salicylate (D), wherein the content of a molybdenum atom derived from the molybdenum dithiocarbamate (B) is 650 ppm by mass or more on the basis of the whole amount of the lubricating oil composition; a content ratio [C/B] of the ester-based ashless friction modifier (C) to a molybdenum atom derived from the molybdenum dithiocarbamate (B) is 5.0 to 10 in terms of a mass ratio; the content of a salicylate soap group derived from the metal salicylate (D) is 0.50% by mass or more on the basis of the whole amount of the lubricating oil composition; and a kinematic viscosity at 100° C. is 4.0 mm/s or more and less than 9.3 mm/s, and a high-temperature high-shear viscosity at 150° C. is 1.7 mPa·s or more and less than 2.9 mPa·s. In accordance with the present invention, a viscosity-reduced lubricating oil composition in which nonetheless a molybdenum dithiocarbamate and an ashless friction modifier are jointly used, not only friction can be reduced early after commencement of lubrication, but also such a state can be maintained, is provided. 1. A lubricating oil composition comprisinga base oil (A),a molybdenum dithiocarbamate (B),an ester-based ashless friction modifier (C), anda metal salicylate (D), whereinthe content of a molybdenum atom derived from the molybdenum dithiocarbamate (B) is 650 ppm by mass or more on the basis of the whole amount of the lubricating oil composition;{'sub': 'Mo', 'a content ratio [C/B] of the ester-based ashless friction modifier (C) to a molybdenum atom derived from the molybdenum dithiocarbamate (B) is 5.0 to 10 in terms of a mass ratio;'}the content of a salicylate soap group derived from the metal salicylate (D) is 0.50% by mass or more on the basis of the whole amount of the lubricating oil composition; and{'sup': 2', '2, 'a kinematic viscosity at 100° C. ...

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17-10-2019 дата публикации

LUBRICATING COMPOSITION WITH ALKYLATED NAPHTHYLAMINE

Номер: US20190316056A1
Принадлежит: THE LUBRIZOL CORPORATION

A lubricating composition includes an oil of lubricating viscosity, an N-alkyl naphthylamine, and at least one ashless antioxidant selected from a diarylamine antioxidant, a phenolic antioxidant, and mixtures thereof. The lubricating composition has a phosphorus content of less than 0.15 weight percent. The combination of the N-alkyl naphthylamine and ashless antioxidant provides a beneficial effect on the basicity of the composition without negatively impacting seals performance. 1. A lubricating composition comprising:an oil of lubricating viscosity;an N-alkyl naphthylamine; andat least one ashless antioxidant selected from a diarylamine antioxidant, a phenolic antioxidant, and mixtures thereof,wherein the lubricating composition has a phosphorus content of less than 0.15 weight percent.2. The lubricating composition of claim 1 , wherein the composition further comprises an alkaline earth metal overbased detergent in an amount to deliver a total base number (TBN) claim 1 , as measured by ASTM D2896 claim 1 , of at least 2 mg KOH/g to the composition.3. The lubricating composition of claim 1 , wherein the N-alkyl group is alicyclic claim 1 , cyclic claim 1 , or acyclic.4. The lubricating composition of claim 1 , where in the N-alkyl naphthylamine is present in an amount of at least 0.15 weight percent of the lubricating composition.5. The lubricating composition of claim 1 , where in the N-alkyl naphthylamine is present in an amount of no more than 2.5 weight percent of the lubricating composition.7. The lubricating composition of claim 6 , wherein at least one of Rand Ris alkyl group of 1 to 24 carbon atoms.8. The lubricating composition of claim 6 , wherein at least one of Rand Ris alkyl group of at least 3 carbon atoms.11. The lubricating composition of claim 1 , wherein the at least one ashless antioxidant is present is present in a total amount of at least 0.15 weight percent of the composition.12. The lubricating composition of claim 1 , wherein the at least ...

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17-10-2019 дата публикации

LUBRICATING OIL COMPOSITION FOR HYDRAULIC ACTUATOR EQUIPPED WITH ELECTRONIC CONTROL DEVICE

Номер: US20190316059A1
Принадлежит:

An object of the present invention is to provide a lubricating oil composition for hydraulic actuation which has excellent safety and which is imparted with electrical conductivity in order to prevent the generation of noise that adversely affects devices including hydraulic circuits equipped with an electronic control device for the valve system. The composition uses a hydrocarbon base oil, and the base oil contains from 30 to 250 ppm of ultrabasic magnesium salicylate in terms of magnesium content relative to the total amount of the composition, and from 0.07 to 5.0 mass % of non-dispersible polymethacrylate having a weight-average molecular weight of from 5,000 to 200,000 as a net amount relative to the total amount of the composition. The conductivity of the composition at 25° C. is 200 pS/m or more, the flash point is 240° C. or more, the pour point is negative 40° C. or less, and the coefficient of friction at 140° C. by a microclutch is 0.08 or more. This lubricating oil composition can be imparted with conductivity in order to prevent the generation of noise that adversely affects electronic controls when used in machinery equipped with electronic control devices. 1. A lubricating oil composition for hydraulic machinery equipped with an electronic control device , the lubricating oil composition comprising a hydrocarbon base oil , from 30 to 250 ppm of ultrabasic magnesium salicylate in terms of magnesium content relative to the total amount of the composition , and from 0.07 to 5.0 mass % of non-dispersible polymethacrylate having a weight-average molecular weight of from 5 ,000 to 200 ,000 as a net amount relative to the total amount of the composition , the electric conductivity of the composition at 25° C. being 200 pS/m or more , the flash point being 240° C. or more , the pour point being −40° C. or less , and the coefficient of friction at 140° C. (microclutch test) being 0.08 or more.2. The lubricating oil composition for hydraulic machinery equipped ...

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15-11-2018 дата публикации

Poly (Meth)Acrylate With Improved Viscosity Index For Lubricant Additive Application

Номер: US20180327687A1
Автор: KWAK Yungwan
Принадлежит:

The present disclosure relates to polymers suitable for viscosity index improvers in lubricating oil compositions and further relates to oil compositions comprising such polymers. The disclosure also relates to polymer compositions derived from alkyl (meth)acrylate monomers and selected molar ratios of the (meth)acrylate monomers in the polymer suitable to use as viscosity modifiers. 1. A polymer suitable for a viscosity modifier in lubricating oil compositions , the polymer comprising:about 88 to about 96 mole percent of alkyl (meth)acrylate monomer units including at least short chain alkyl (meth)acrylate monomer units with an alkyl chain length of 1 to 4 carbons and long chain alkyl (meth)acrylate monomer units with an alkyl chain length of 12 to 20 carbons, wherein an alkyl molar ratio of the long chain alkyl (meth)acrylate monomer units to the short chain alkyl (meth)acrylate monomer units is greater than 2.0 and less than 5.5; andabout 0.1 to about 6 mole percent of 2-hydroxyethyl (meth)acrylate monomer units.2. The polymer of claim 1 , wherein the polymer includes about 15 to about 30 mole percent of the short chain alkyl (meth)acrylate monomer units and about 58 to about 81 mole percent of the long chain alkyl (meth)acrylate monomer units.3. The polymer of claim 1 , wherein the alkyl (meth)acrylate monomer units include both methyl (meth)acrylate and lauryl (meth)acrylate and wherein the polymer includes up to about 95 mole percent of the methyl (meth)acrylate and the lauryl (meth)acrylate combined.4. The polymer of claim 3 , wherein the (meth)acrylate ratio of the sum of the mole percent of the methyl (meth)acrylate monomer units and the lauryl (meth)acrylate monomer units to the mole percent of the 2-hydroxyethyl (meth)acrylate monomer units is greater than about 14.5. The polymer of claim 4 , wherein the (meth)acrylate ratio is about 16 to about 20 and the polymer has a viscosity index of about 280 or greater.6. The polymer of claim 1 , wherein the ...

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31-10-2019 дата публикации

LUBRICANTS FOR USE IN BOOSTED ENGINES

Номер: US20190330555A1
Принадлежит: AFTON CHEMICAL CORPORATION

A lubricating oil composition including greater than 50 wt. % of a base oil, from 100 ppm to less than 1800 ppm by weight of total metal from metal-containing detergent(s) including an overbased calcium detergent and a magnesium containing detergent. The composition has a total nitrogen of 900 ppm to less than 1600 ppm by weight, and a ratio of total metal from the detergent(s) in ppm to the total nitrogen in ppm of less than 1.9. The composition also includes a borated compound to provide greater than 50 ppm by weight to 1000 ppm by weight of boron, and a ppm ratio of metal from the detergent(s) in ppm to the total boron is less than 7.5 and a molybdenum compound to provide greater than 80 ppm to 1200 ppm by weight molybdenum and a ppm ratio of total metal from the detergent(s) to the molybdenum is less than 23.8.

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06-12-2018 дата публикации

CYLINDER LUBRICATING OIL COMPOSITION FOR CROSSHEAD DIESEL ENGINE

Номер: US20180346842A1
Автор: Takeshima Shigeki
Принадлежит: JXTG NIPPON OIL & ENERGY CORPORATION

(1) A cylinder lubricating oil composition for a crosshead diesel engine, the composition having a sulfated ash content of 2.0 to 5.5 mass %; a base number of 15 to 45 mgKOH/g; and an autoignition temperature of no less than 262° C. (2) A cylinder lubricating oil composition for a crosshead diesel engine, comprising: a lubricant base oil; (B) a Ca sulfonate detergent having a base number of no less than 10 mgKOH/g and less than 60 mgKOH/g; (C) a Ca phenate detergent having a base number of 55 to 200 mgKOH/g; (D′) an amine antioxidant; and (E′) a zinc dithiophosphate, wherein the composition has a base number of no less than 15 mgKOH/g and less than 120 mgKOH/g. 1. A cylinder lubricating oil composition for a crosshead diesel engine , the composition having:a sulfated ash content of 2.0 to 5.5 mass %;a base number of 15 to 45 mgKOH/g; andan autoignition temperature of no less than 262° C.2. The cylinder lubricating oil composition according to claim 1 ,the composition being used for lubrication of a crosshead diesel engine, the crosshead diesel engine using a fuel, the fuel having a flash point of no more than 15° C.3. The cylinder lubricating oil composition according to claim 1 ,the composition being used for lubrication of a crosshead diesel engine, the crosshead diesel engine using a fuel, the fuel comprising a hydrocarbon having 1 to 4 carbons.4. The cylinder lubricating oil composition according to claim 1 ,the composition being used for lubrication of a crosshead diesel engine, the crosshead diesel engine using a fuel, the fuel comprising methane, ethane, ethylene, propane, butane, methanol, ethanol, dimethyl ether, or combination thereof.5. The cylinder lubricating oil composition according to claim 1 , the composition comprising:a lubricant base oil;(A) a Ca salicylate detergent having a metal ratio of no more than 7, and/or a Ca phenate detergent having a metal ratio of no more than 7;(B) a Ca sulfonate detergent having a base number of no less than 10 ...

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06-12-2018 дата публикации

LUBRICANT COMPOSITIONS FOR DIRECT INJECTION ENGINES

Номер: US20180346843A1
Принадлежит:

The invention is directed to a method for reducing low speed pre-ignition events in a spark-ignited direct injection internal combustion engine by supplying to the sump a lubricant composition which contains an oil of lubricating viscosity and a metal overbased detergent. The metal overbased detergent may be selected from sulfonate detergents, phenate detergents, and salicylate detergents, especially sulfonate detergents with a metal ratio of at least 5. 1. A method for reducing low speed pre-ignition (LSPI) events in a spark-ignited direct injection internal combustion engine over the entire service life of a lubricant composition utilized in said internal combustion engine;said method comprising: supplying to the engine a lubricant composition comprising a base oil of lubricating viscosity and a metal overbased detergent.2. The method of wherein the method results in the reduction of LSPI events during (i) the entire service life of the lubricant composition claim 1 , (ii) during the second half of the service life of the lubricant composition claim 1 , or (iii) during the last 25% of the service life of the lubricant composition.3. The method of wherein the service life of the lubricant composition is measured in mileage claim 2 , in hours of operation claim 2 , in time present in engine claim 2 , in age of the lubricant composition claim 2 , or some combination thereof.4. The method of claim 1 , wherein the engine is operated: (i) under a load with a break mean effective pressure (BMEP) of greater than or equal to 10 bars claim 1 , (ii) at speeds less than or equal to 3 claim 1 ,000 rpm claim 1 , or (iii) both (i) and (ii).5. The method of claim 1 , wherein the engine is fueled with a liquid hydrocarbon fuel claim 1 , a liquid nonhydrocarbon fuel claim 1 , or mixtures thereof.6. The method of claim 1 , wherein the metal overbased detergent comprises a mixture of overbased calcium detergents and overbased magnesium detergents.7. The method of claim 1 , wherein ...

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14-11-2019 дата публикации

INDUSTRIAL LUBRICANT INCLUDING METAL CHALCOGENIDE PARTICLES AND PHOSPHORUS-BASED ADDITIVE

Номер: US20190345405A1
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, wherein the industrial lubricant is for lubricating metal substrates in working applications that change the geometry of the metal substrate.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 ...

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13-12-2018 дата публикации

LUBRICATING OIL COMPOSITION

Номер: US20180355272A1
Принадлежит:

Provided is a lubricating oil composition capable of decreasing friction while ensuring anti-wear properties even if it is reduced in viscosity. The lubricating oil composition comprises a lubricant base oil, (A) a magnesium-based detergent, and (B) a molybdenum-based friction modifier, wherein the amount of component (A) is in the range of 200 to 1200 mass ppm in terms of a concentration in mass ppm of magnesium [Mg] in the lubricating oil composition, and the amount of component (B) is in the range of 500 to 1500 mass ppm in terms of a concentration in mass ppm of molybdenum [Mo] in the lubricating oil composition. 1. A lubricating oil composition comprising:a lubricant base oil;(A) a magnesium-based detergent; and(B) a molybdenum-based friction modifier,wherein the amount of component (A) is in the range of 200 to 1200 mass ppm in terms of a concentration in mass ppm of magnesium [Mg] in the lubricating oil composition, and the amount of component (B) is in the range of 500 to 1500 mass ppm in terms of a concentration in mass ppm of molybdenum [Mo] in the lubricating oil composition.2. The lubricating oil composition of claim 1 , wherein the lubricating oil composition satisfies the following formula (1):{'br': None, '[Mg]/[Mo]≤2.4\u2003\u2003(1).'}3. The lubricating oil composition of claim 1 , further comprising a calcium-based detergent (A′) claim 1 , and satisfying the following formula (2):{'br': None, '([Mg]+[Ca])/[Mo]<3.0\u2003\u2003(2)'}wherein the [Ca] represents a concentration in mass ppm of calcium in the lubricating oil composition.4. The lubricating oil composition of claim 1 , having a CCS viscosity at −35° C. of less than or equal to 6.2 Pa·s.5. The lubricating oil composition of claim 1 , having a High-Temperature High-Shear Viscosity at 150° C. (HTHS viscosity) of 1.7 to 2.9 mPa·s.6. The lubricating oil composition of claim 1 , having a kinematic viscosity at 100° C. of less than 9.3 mm/s.7. The lubricating oil composition of claim 1 , wherein ...

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20-12-2018 дата публикации

ANTICORROSIVE AGENT AND TERMINAL FITTED ELECTRIC WIRE

Номер: US20180362876A1
Принадлежит:

An anticorrosive agent including: a high-consistency material having a lubricant base oil and an amide compound, a composition of a phosphorus compound comprising one or more compounds represented by the general formulae (1) and (2) and a metal, and at least one kind of resin selected from a rosin-based resin, a terpene resin, a terpene phenol resin, a phenol resin, a coumarone-indene resin, and a petroleum resin, wherein a mass ratio of the high-consistency material and the composition is within a range of 50:50 to 98:2, and a content of resin is 2 to 20 parts by mass with respect to 100 parts by mass of the total of the high-consistency material and the composition. 2. The anticorrosive agent according to claim 1 , wherein the agent has a softening point in the range of 100° C. to 150° C.3. The anticorrosive agent according to claim 1 , wherein the amide compound comprises one or more compounds represented by the following general formulae (3) to (5):{'br': None, '[Chem. 3]'}{'br': None, 'sup': 21', '22, 'R—CO—NH—R\u2003\u2003(3)'}{'br': None, '[Chem. 4]'}{'br': None, 'sup': 23', '31', '24, 'R—CO—NH—Y—NH—CO—R\u2003\u2003(4)'}{'br': None, '[Chem. 5]'}{'br': None, 'sup': 25', '32', '26, 'R—NH—CO—YCO—O—NH—R\u2003\u2003(5)'}{'sup': 21', '26', '22', '31', '32, 'where Rto Reach represent independently a saturated or unsaturated linear hydrocarbon group having 5 to 25 carbon atoms, Rmay be hydrogen, and Yand Yrepresent a divalent hydrocarbon group having 1 to 10 carbon atoms selected from an alkylene group and a phenylene group having 1 to 10 carbon atoms, or an alkylphenylene group having 7 to 10 carbon atoms.'}4. The anticorrosive agent according to claim 1 , wherein the amide compound is a fatty acid amide having a melting point within a range of 20° C. to 200° C.5. The anticorrosive agent according to claim 1 , wherein the phosphorus compound has one or more branched linear structures or one or more carbon-carbon double bond structures in the structure of the ...

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28-12-2017 дата публикации

LUBRICATING COMPOSITION AND METHOD OF LUBRICATING DRIVELINE DEVICE

Номер: US20170369810A1
Автор: Barton William R.S.
Принадлежит:

The present invention relates to a lubricating composition containing: an oil of lubricating viscosity, a non-borated dispersant, a detergent, and an antiwear package comprising (a) a derivative of a hydroxycarboxylic acid, (b) an amine salt of a phosphoric acid ester, and (c) a phosphite having at least one hydrocarbyl group with 4 or more carbon atoms. The invention further provides for a method of lubricating a driveline device application by employing a lubricating composition containing the antiwear package. 2. The method of claim 1 , wherein the synchronizer operating surface comprises brass claim 1 , carbon claim 1 , molybdenum claim 1 , phenolic resin claim 1 , or a sintered metal or mixtures thereof.3. The method of claim 1 , wherein the lubricating composition comprises:an oil of lubricating viscosity,0.4 wt % to 1.2 wt % of a non-borated dispersant,0.4 wt % to 1.0 wt % of a detergent, and (a) 0.05 wt % to 0.8 wt % of a derivative of tartaric or citric acid,', '(b) 0.1 wt % to 1 wt % of an amine salt of a phosphoric acid ester, and', '(c) 0.1 wt % to 1.0 wt % of a phosphite., 'an antiwear package comprising'}4. The method of claim 1 , wherein the detergent is a sulphonate claim 1 , a phenate claim 1 , or mixtures thereof.5. The method of claim 4 , wherein the phenate is an alkyl phenate claim 4 , an aldehyde-coupled alkyl phenate claim 4 , a sulphurised alkyl phenate claim 4 , or mixtures thereof.6. The method of claim 1 , wherein the non-borated dispersant is a succinimide dispersant claim 1 , or mixtures thereof.7. The method of claim 1 , wherein the non-borated dispersant is a polyisobutylene succinimide claim 1 , wherein the polyisobutylene from which the polyisobutylene succinimide is derived has a number average molecular weight in the range of 350 to 5000.8. The method of claim 1 , wherein the non-borated dispersant is a non-borated succinimide claim 1 , and wherein the non-borated dispersant is in a mixture with a borated dispersant.9. The method ...

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28-12-2017 дата публикации

DIELECTRIC NANOLUBRICANT COMPOSITIONS

Номер: US20170369813A1

A dielectric nanolubricant composition is provided. The dielectric nanolubricant composition includes a nano-engineered lubricant additive dispersed in a base. The nano-engineered lubricant additive may include a plurality of solid lubricant nanostructures having an open-ended architecture and an organic, inorganic, and/or polymeric medium intercalated in the nanostructures and/or encapsulate nanostructures. The base may include a grease or oil such as silicone grease or oil, lithium complex grease, lithium grease, calcium sulfonate grease, silica thickened perfluoropolyether (PFPE) grease or PFPE oil, for example. This dielectric nanolubricant composition provides better corrosion and water resistance, high dielectric strength, longer material life, more inert chemistries, better surface protection and asperity penetration, no curing, no staining, and environmentally friendly, compared to current products in the market. 1. A dielectric nanolubricant composition , the composition comprising:a nano-engineered lubricant additive dispersed in a base,wherein the nano-engineered lubricant additive comprises a plurality of solid lubricant nanostructures having an open-ended architecture and a medium selected from an organic medium, inorganic medium, polymeric medium, or combinations thereof,wherein medium intercalates and/or encapsulates the nanostructures, wherein the base comprises a grease or oil, and wherein the composition is dielectric.2. The composition of claim 1 , wherein at least a portion of the nanostructures have an average particle dimension of about a few tenths of a micron or less.3. The composition of claim 1 , wherein the nanostructures comprise a material selected from the group consisting of polytetrafluoroethylene (PTFE) claim 1 , cerium fluoride claim 1 , zinc oxide claim 1 , silica claim 1 , fluorinated carbon claim 1 , hexagonal boron nitride claim 1 , calcium carbonate claim 1 , calcium fluoride claim 1 , zirconium oxide claim 1 , and combinations ...

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27-12-2018 дата публикации

HIGH PERFORMANCE LUBRICATING COMPOSITIONS

Номер: US20180371349A1
Автор: Arafat El Sayad

An oleaginous corrosion-resistant lubricating composition comprising at least one poly-alpha olefin synthetic oil and effective amounts of metal salts of sulfonic acids, metal salts of carboxylic acids, metal salts of mixtures of said sulfonic and carboxylic acids, alkylated aromatic stabilizers as solubility modifiers, pour-point depressants, at least one antioxidant, triazole deactivator compounds and fluoroacrylate copolymers. 1. A corrosion-preventing free-flowing lubricating composition consisting essentially of , in parts by weight of:60 to 80 parts of two different poly-alpha olefin synthetic lubricating oils,7.0 to 15 parts of at least one oil soluble corrosion inhibitor selected from the group consisting of sulfonic acid metal salts, carboxylic acid metal salts and salts derived from the stoichiometric reaction of mixtures of sulfonic acids and carboxylic acids with metal compounds forming a complex of the acid salts,10 to 14 parts of at least one oil soluble alkylated aromatic stabilizer,1.0 to 3.0 parts of a pour-point depressant selected from the group consisting of heavy-paraffinic compounds and acrylic polymers,1.0 to 1.6 parts of at least one oil soluble antioxidant, selected from the group consisting of aryl amines and carbamates,0.1 to 0.2 parts of a triazole deactivator and 0.5 to 1.5 parts of a fluoroacrylate copolymer.2. A corrosion-preventing free-flowing lubricating composition consisting essentially of from about , in parts by weight ,60 to 80 parts of a poly-alpha olefin synthetic lubricating oil,7.0 to 15 parts of a carboxylic acid metal salt,10 to 14 parts of an oil soluble alkylated aromatic stabilizer,1.0 to 3.0 parts of a pour-point depressant consisting of a heavy-paraffinic compound,1.0 to 1.6 parts of an oil soluble aryl amine antioxidant, 0.1 to 0.2 parts of a triazol deactivator and 0.5 to 1.5 parts of a fluoroacrylate copolymer.3. A corrosion-preventing free-flowing lubricating composition consisting essentially of from about , in ...

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27-12-2018 дата публикации

PROTECTED MERCAPTOPHENOLS AND THIOPHENOLS FOR LUBRICATING COMPOSITIONS

Номер: US20180371351A1
Автор: DURA Robert D.
Принадлежит:

A lubricating composition includes an oil of lubricating viscosity and a compound comprising a protected mercaptophenol. The protected mercaptophenol includes a mercapto group in which the hydrogen is substituted with a substituent of at least 5 carbons. The substituent is selected from hydroxy-substituted hydrocarbyl groups, poly(ether) groups, hydrocarbyl groups, and mixtures and salts thereof. 1. A lubricating composition comprising:at least 10 wt. % of an oil of lubricating viscosity comprising at least one of an API Group I, Group II, Group III, Group IV, and Group V base oil; andat least 0.01 wt. % of a compound comprising a protected mercaptophenol comprising a mercapto group that is substituted with a non-aromatic substituent of at least 5 carbons, the substituent being selected from hydroxy-substituted hydrocarbyl groups, poly(ether) groups, hydrocarbyl groups, and mixtures and salts thereof.2. (canceled)3. The lubricating composition of claim 1 , wherein the substituent is a hydroxy-substituted hydrocarbyl group.4. The lubricating composition of claim 1 , wherein the compound is a protected thiocatechol or salt thereof.6. (canceled)7. The lubricating composition of claim 5 , wherein R′ is a hydroxy-substituted hydrocarbyl group of the form —CHCH(OH)R claim 5 , wherein Ris a hydrocarbyl group of at least 5 carbon atoms.89.-. (canceled)10. The lubricating composition of claim 5 , wherein Ris a hydroxy-substituted hydrocarbyl group.1113.-. (canceled)14. The lubricating composition of claim 5 , wherein Ris a (poly)ether group of the form —(CHCHR—O—)R claim 5 , wherein each Ris independently selected from H and a hydrocarbyl group claim 5 , each Ris independently selected from hydrogen and a hydrocarbyl group claim 5 , and m is at least 1.15. The lubricating composition of claim 14 , wherein at least one of Rand Ris at least a Calkyl group claim 14 , or at least a Calkyl group.1617.-. (canceled)18. The lubricating composition of claim 5 , wherein x is at least ...

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05-12-2019 дата публикации

LUBRICANT COMPOSITION

Номер: US20190367834A1
Автор: Aoki Shinji, INOUE Shota
Принадлежит: IDEMITSU KOSAN CO., LTD.

The present invention provides a lubricating oil composition containing a base oil (A), zinc dithiophosphate (B), a metal sulfonate (C), and an ashless friction modifier (D) containing a boronated alkenyl succinimide (D1), which is to be used for a machine equipped with at least one of a wet type brake and a wet type clutch. The lubricating oil composition is not only excellent in oxidation stability but also favorable in an effect for suppressing the generation of squeal and braking properties, and is suitably applicable to machines equipped with a wet type brake or wet type clutch. 1: A lubricating oil composition , which is to be used for a machine equipped with at least one of a wet type brake and a wet type clutch , comprising a base oil (A) , zinc dithiophosphate (B) , a metal sulfonate (C) , and an ashless friction modifier (D) containing a boronated alkenyl succinimide (D1).2: The lubricating oil composition according to claim 1 , wherein the content of the component (B) as expressed in terms of a zinc atom based on the total amount of the lubricating oil composition is from 100 to 2 claim 1 ,000 ppm by mass.3: The lubricating oil composition according to claim 1 , wherein the content of the component (B) as expressed in terms of a zinc atom based on the total amount of the lubricating oil composition is from 500 to 1 claim 1 ,500 ppm by mass.4: The lubricating oil composition according to claim 1 , wherein the component (C) contains calcium sulfonate.5: The lubricating oil composition according to claim 1 , wherein the content of the component (C) as expressed in terms of a metal atom based on the total amount of the lubricating oil composition is from 200 to 4 claim 1 ,000 ppm by mass.6: The lubricating oil composition according to claim 1 , wherein the content of the component (C) as expressed in terms of a metal atom based on the total amount of the lubricating oil composition is from 1 claim 1 ,000 to 3 claim 1 ,500 ppm by mass.7: The lubricating oil ...

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12-12-2019 дата публикации

GREASE COMPOSITION

Номер: US20190375998A1
Принадлежит:

The invention provides a grease composition, being a grease composition containing a base oil and, as a thickener a calcium complex soap, and being a grease composition using for the carboxylic acids forming the aforementioned calcium complex soap substituted or unsubstituted C18-22 straight-chain higher fatty acids, aromatic monocarboxylic aromatic acids having substituted or unsubstituted benzene rings and C2-4 straight-chain saturated lower fatty acids, wherein the aforementioned substituted or unsubstituted C18-22 straight-chain higher fatty acids include behenic acid and the amount of behenic acid used, as a mass ratio in terms of the total amount of the aforementioned substituted or unsubstituted C18-22 straight-chain higher fatty acids used, is from 25 mass % up to 70 mass %. 1. A grease composition comprising a base oil and a calcium complex soap as a thickener , wherein the calcium complex soap uses carboxylic acids including substituted or unsubstituted C18-22 straight-chain higher fatty acids , aromatic monocarboxylic acids having substituted or unsubstituted benzene rings and C2-4 straight-chain saturated lower fatty acids , wherein the substituted or unsubstituted C18-22 straight-chain higher fatty acids include behenic acid and the amount of behenic acid used , as a mass ratio in terms of the total amount of the aforementioned substituted or unsubstituted C18-22 straight-chain higher fatty acids used , is from 25 mass % up to 70 mass %.2. The grease composition in accordance with wherein the amount (mass) of the carboxylic acids used has a relationship such that the substituted or unsubstituted C18-22 straight-chain higher fatty acids is greater than the C2-4 straight-chain saturated lower fatty acids claim 1 , which is greater than the aromatic monocarboxylic acids having substituted or unsubstituted benzene rings.3. The grease composition in accordance with wherein the straight-chain higher fatty acids other than behenic acid are one or more kinds ...

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26-12-2019 дата публикации

LUBRICANT COMPOSITION

Номер: US20190390131A1
Принадлежит:

A lubricant composition which, in a sliding member, is interposed between a DLC-coated surface and another metal member, in particular, a steel material, the lubricant composition having good wear resistance as well as having a better friction reducing effect than conventional molybdenum friction modifier-containing lubricant compositions. The lubricant composition is characterized by containing a lubricating base oil, (A) molybdenum dialkyl dithiophosphate, and (B) zinc dialkyl dithiophosphate, wherein the amount of phosphorus with respect to the total mass of the lubricant composition is 300-1500 mass ppm. 1. A lubricant composition comprising a lubricant base oil , (A) a molybdenum dialkyldithiophosphate , and (B) a zinc dialkyldithiophosphate , and having a phosphorus content of 300 to 1500 ppm by weight based on a total weight of the lubricant composition.2. The lubricant composition according to claim 1 , wherein the lubricant composition further comprises (A′) at least one selected from the group consisting of an amine friction modifier and an amide friction modifier at a content of less than 0.1% by weight based on the total weight of the lubricant composition.3. The lubricant composition according to claim 1 , comprising component (A) at a content of 400 to 1300 ppm by weight in terms of ppm by weight of molybdenum based on the total weight of the lubricant composition claim 1 , and component (B) at a content of 200 to 1000 ppm by weight in terms of ppm by weight of phosphorus based on the total weight of the lubricant composition.4. The lubricant composition according to claim 1 , for use in lubrication of diamond-like carbon (DLC) films.5. The lubricant composition according to claim 1 , for use in lubrication of opposed sliding surfaces of sliding members claim 1 , wherein the sliding members are a pair of sliding members having opposed sliding surfaces which can move relative to each other claim 1 , and wherein at least one of the sliding surfaces ...

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26-12-2019 дата публикации

LUBRICATING OIL COMPOSITONS

Номер: US20190390134A1
Принадлежит:

Disclosed is a lubricating oil composition which comprises: (a) a major amount of an oil of lubricating viscosity having a kinematic viscosity at 100° C. in a range of about 2 to about 50 mm/s, (b) an overbased metal salt of an alkyl-substituted phenate detergent, wherein the alkyl group is derived from an isomerized normal alpha olefin having from about 10 to about 40 carbon atoms per molecule and having an isomerization level (I) of the normal alpha olefin of from about 0.1 to about 0.4, (c) one or more boron-containing detergents having about 50 to about 500 ppm of boron, based on the total weight of the lubricating oil composition, and (d) one or more zinc dialkyl dithiophosphate compounds derived from a primary alcohol. 1. A lubricating oil composition comprising:{'sup': '2', '(a) a major amount of an oil of lubricating viscosity having a kinematic viscosity at 100° C. in a range of about 2 to about 50 mm/s,'}(b) an overbased metal salt of an alkyl-substituted phenate detergent, wherein the alkyl group is derived from an isomerized normal alpha olefin having from about 10 to about 40 carbon atoms per molecule and having an isomerization level (I) of the normal alpha olefin of from about 0.1 to about 0.4,(c) one or more boron-containing detergents having about 50 to about 500 ppm of boron, based on the total weight of the lubricating oil composition, and(d) one or more zinc dialkyl dithiophosphate compounds derived from a primary alcohol.2. The lubricating oil composition of claim 1 , wherein the major amount of the oil of lubricating viscosity is greater than 50 wt. % claim 1 , based on the total weight of the lubricating oil composition.3. The lubricating oil composition of claim 1 , wherein the alkyl group of the alkyl-substituted phenate detergent is derived from an isomerized normal alpha olefin having from about 14 to about 30.4. The lubricating oil composition of claim 1 , wherein the alkyl group of the alkyl-substituted phenate detergent is derived from ...

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07-04-2015 дата публикации

Ethylene based copolymer compositions as viscosity modifiers and methods for making them

Номер: US8999907B2
Принадлежит: ExxonMobil Chemical Patents Inc

Polymeric compositions and methods for making and using the same are provided. The polymeric composition can include a first ethylene-based copolymer and a second ethylene-based copolymer. The first ethylene-based copolymer can have a weight percent of ethylene-derived units based on a weight of the polymeric composition (E A ) ranging from about 35 wt % to about 52 wt % and a weight-average molecular weight (Mw A ) of less than or equal to 130,000. The second ethylene-based copolymer can have a weight percent of ethylene-derived units based on the weight of the polymeric composition (E B ) ranging from about 65 wt % to about 85 wt % and a weight-average molecular weight (Mw B ) of less than 130,000.

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14-06-2016 дата публикации

Process to produce improved poly alpha olefin compositions

Номер: US9365788B2
Принадлежит: ExxonMobil Chemical Patents Inc

This invention is directed to a two-step process for the preparation of improved poly alpha olefins wherein the first step involves oligomerizing low molecular weight linear alpha olefins in the presence of a single site catalyst and the second step involves oligomerization of at least a portion of the product from the first step in the presence of an oligomerization catalyst. The dimer product from the first oligomerization is characterized by a tri-substituted vinylene olefin content of at least 25 wt %.

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26-07-2016 дата публикации

Poly alpha olefin compositions

Номер: US9399746B2
Принадлежит: ExxonMobil Chemical Patents Inc

Poly alpha olefins (PAOs) are characterized by very low viscosity and excellent Noack volatility. A preferred process for synthesizing said PAOs involves first oligomerizing low molecular weight linear alpha olefins in the presence of a single site catalyst at high temperatures without adding hydrogen and then subsequently oligomerizing at least a portion of the product from the first step in the presence of an oligomerization catalyst.

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08-12-2015 дата публикации

Trunk piston engine lubricating oil compositions

Номер: US9206374B2

Disclosed herein is a trunk piston engine lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity; (b) one or more carboxylate-containing detergents comprising a salt of an alkyl-substituted hydroxyaromatic carboxylic acid, wherein at least about 50% of the alkyl moiety of the alkyl-substituted hydroxyaromatic carboxylic acid comprises C 26+ alkyl groups derived from one or more normal alpha olefins; and (c) one or more zinc dithiophosphates in an amount of about 0.02 to about 0.12 wt. % in terms of phosphorus content.

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17-09-2019 дата публикации

Synergistic lubricating oil composition containing a mixture of olefin copolymer dispersant-type viscosity improver and amine compound

Номер: US10414999B2
Принадлежит: Chevron Oronite Co LLC

Disclosed is an internal combustion engine lubricating oil composition which comprises (a) a major amount of an oil of lubricating viscosity; (b) a dispersant-type olefin copolymer VI improver; and (c) a secondary hydrocarbylamine compound, a tertiary hydrocarbylamine compound, or combinations thereof. A method for reducing cam wear using same is also disclosed.

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12-01-2016 дата публикации

Lubricating compositions

Номер: US9234151B2
Принадлежит: ExxonMobil Research and Engineering Co

This invention is directed to lubricating compositions comprising a first base oil component consisting of a polyalphaolefin base stock or combination of polyalphaolefin base stocks, each having a kinematic viscosity at 100° C. of from 3.2 cSt to 3.8 cSt and obtained by a process comprising: (a) contacting a catalyst, an activator, and a monomer in a first reactor to obtain a first reactor effluent, the effluent comprising a dimer product, a trimer product, and optionally a higher oligomer product, (b) feeding at least a portion of the dimer product to a second reactor, (c) contacting said dimer product with a second catalyst, a second activator, and optionally a second monomer in the second reactor, (d) obtaining a second reactor effluent, the effluent comprising at least a trimer product, and (e) hydrogenating at least the trimer product of the second reactor effluent.

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12-01-2016 дата публикации

Low viscosity engine oil compositions

Номер: US9234150B2
Принадлежит: ExxonMobil Research and Engineering Co

This invention is directed to ultra-low viscosity passenger car engine oil compositions with a kinematic viscosity at 100° C. of from 4 to 6 cSt, and comprising in admixture 60 wt % to 90 wt % of a first base oil component, based on the total weight of the composition, the first base oil component consisting of a polyalphaolefin base stock or combination of polyalphaolefin base stocks, each having a kinematic viscosity at 100° C. of from 3.2 cSt to 3.8 cSt; and 0.1 wt % to 20 wt % of a second base oil component, based on the total weight of the composition, the second base oil component consisting of a Group II, Group III or Group V base stock, or any combination thereof; wherein the composition comprises from 0 wt % to less than 0.25 wt % viscosity index improver, on a solid polymer basis.

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