СМАЗОЧНЫЕ КОМПОЗИЦИИ ДЛЯ ТРАНСМИССИЙ АВТОМОБИЛЕЙ

Настоящее изобретение относится к смазочной композиции для коробок передач, содержащей: (а) органическое соединение молибдена, выбранное из по меньшей мере одного органического комплекса молибдена, полученного путем реакции: (i) жира типа моно-, ди- или триглицерида или жирной кислоты, (ii) источника амина формулы (I), где X1 и X2 представляют собой О или N, а n и m равны 1, если X1 или X2 представляет собой О, и n и m равны 2, если X1 или X2 представляет собой N, и (iii) источника молибдена, выбранного из триоксида молибдена или молибдатов, в достаточном количестве для обеспечения от 0,1 до 20,0% молибдена в расчете на массу комплекса, (б) одну или более чем одну противоизносную и противозадирную присадку, выбранную из тиа(ди)азолов, (в) одну или более чем одну фосфорсодержащую и/или фосфорно-сернистую противоизносную и противозадирную присадку, выбранную из фосфитов, фосфатов, фосфонатов, тиофосфатов или тиофосфитов, (г) по меньшей мере одно основное масло; причем указанная смазочная ...

Смазка для холодной обработки металлов давлением

COMPOSITION AND PROCEDURE FOR THE COATING OF METALS WITH LUBRICATION PLASTICS

LUBRICANT COMPOSITION WITH IMPROVED PROTECTION AGAINST CORROSION OF CAMPS

UREA GREASE COMPOSITION FOR HOMOKINETI JOINTS

MULTI-FUNCTIONAL GRAFTING POLYMER

SYNERGISTIC ORGANOBORATZUSAMMENSETZUNGEN AND LUBRICATION COMPOSITIONS THEREBY

LUBRICATING OIL COMPOSITIONS

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

Stabilization of organic materials

SLIDING MECHANISM WITH SMALL FRICTION

LUBRICATING OIL COMPOSITION

LUBRICANT FOR REFRIGERANT PLANTS

LUBRICATING OIL COMPOSITIONS AND CONCENTRATES.

USE OF OIL-SOLUBLE DISPERSANT ADDITIVES IN OILY MIXTURES.

LUBRICANT AND/OR LUBRICANT CONCENTRATE.

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

ENGINE OIL COMPOSITION WITH LOW ONE PHOSPHONGEHALT AND ADDITIVE COMPOSITIONS

LUBRICANT, GREASES AND AQUEOUS LIQUIDS, THE DERIVATIVES OF DIMERCAPTOTHIADIAZOLEN AS ADDITIVES CONTAINING

USE OF MOLYBDENUM COMPLEXES IN LUBRICATING OIL COMPOSITIONS FOR DIESEL ENGINES

LUBRICANT COMPOSITIONS FOR MARINE DIESEL ENGINES

GREASE COMPOSITION

VISCOSITÄTSKONTROLLE OF LUBRICANT COMPOSITIONS IN DIESEL ENGINES

PROCEDURE AND DEVICE FOR THE STATIONARY YIELD LIQUID ONE OF ROPE MEANS

Additive for lubricant compositions comprising a sulfur-containing and a sulfur-free organomolybdenum compound, and a triazole

A lubricating composition for use in heavy duty diesel engines which is formulated to allow the use of organomolybdnem compounds but which overcomes the issue of Cu and/or Pb corrosion. The lubricant is characterized by having a synergistic additive composition comprising (A) a sulfur-free organo-molybdenum compound, (B) a sulfur-containing organo-molybdenum compound and (C) a triazole derivative prepared by reacting 1,2,4-triazole, a formaldehyde source and an amine; (A), (B) and (C) being present in an amount sufficient to allow the lubricating composition to pass the High Temperature Corrosion Bench Test ASTM D 6594 with respect to Cu and/or Pb corrosion.

LUBRICATING COMPOSITIONS CONTAINING SULFURIZED OXYMOLYBDENUM DITHIOCARBAMATES

LUBRICATING OIL COMPOSITIONS

An internal combustion engine crankcase lubricating oil composition has a TBN no greater than 6 and contains the following additives: a metal detergent system having a metal ratio no greater than 3, as the sole detergent system; an organic ashless friction modifier; an oil-soluble molybdenum friction modifier; and a metal dihydrocarbyl dithiophosphate.

LUBRICATING OIL COMPOSITIONS

Lubricating oil compositions having a sulfated ash content of no more than 1.0 mass %, which contain a major amount of oil of lubricating viscosity, a minor amount of calcium salicylate detergent, an amount of a magnesium-based detergent providing at least 200 ppm of magnesium, and a basic, low molecular weight, nitrogen- containing dispersant, which compositions provide improved top ring wear protection in internal combustion engines.

BASIC ALKYLENE AMINE AND SULFUR BRIDGED ALKYLPHENOXIDES FOR USE IN LUBRICATING OILS

MOLYBDENUM COMPLEXES OF ASHLESS OXAZOLINE DISPERSANTS AS FRICTION REDUCING ANTIWEAR ADDITIVES FOR LUBRICATING OILS

MACROCYCLIC POLYAMINE AND POLYCYCLIC POLYAMINE MULTIFUNCTIONAL LUBRICATING OIL ADDITIVES

PREPARATION OF OIL-SOLUBLE METAL SULFONATES

OIL COMPOSITIONS HAVING IMPROVED FUEL ECONOMY EMPLOYING SYNERGISTIC ORGANOMOLYBDENUM COMPONENTS AND METHODS FOR THEIR USE

An engine oil having a base oil and a friction reducing amount of an oil soluble sulfurized or unsulfurized oxymolybdenum complex prepared from reacting, in the presence of a polar promoter, an acidic molybdenum compound and a basic nitrogen compound and a low concentration of a sulfurized oxymolybdenum dialkyldithiocarbamate; employed together to provide at least 450 parts per million of molybdenum and less than 175 parts per million of molybdenum from the dialkyldithiocarbamate, both on the basis of the engine oil.

LOW PHOSPHORUS LUBRICANTS

Low Phosphorus Lubricants Lubricants having antiwear, corrosion inhibition and antioxidant performance appropriate to modern oil requirements with reduced or zero amounts of phosphorous and without the need for large amounts and/or expensive forms of antioxidant comprise 5 to 500 parts per million by weight (ppm) of added copper present in oil-soluble form, one or more added oil-soluble sulphur-containing compounds and a bearing corrosion inhibitor.

LUBRICANT OR LUBRICANT CONCENTRATE

Lubricant or lubricant concentrate on mineral oil and/or synthetic oil basis having improved lubricating properties, in particular improved load bearing, sliding and corrosion inhibiting properties, which contains a) one or more mineral oils and/or synthetic oils as base oil and b) at least one compound A containing in its molecule at least one quaternary carbon atom and at least one ester bond and/or ether bond, as well as c) further usual additives.

DI-SECONDARY ALKYL HINDERED PHENOL ANTIOXIDANTS

A lubricating composition containing the reaction product (a) of an aldehyde, amine and a di-secondary alkyl hindered phenol and at least one additive selected from the group consisting of hydrocarbyl diphenylamines, sterically hindered phenols other than component (a), metal hydrocarbyl dithiophasphates, sulphurised olefins and mixtures thereof. The composition has antioxidant properties for internal combustion engines without the bioaccumulation of tristert-butyl phenol.

HIGH BORON FORMULATIONS FOR FLUIDS FOR CONTINUOUSLY VARIABLE TRANSMISSIONS

Continuously variable transmission can be lubricated by supplying to them a composition of (a) an oil lubricating viscosity; (b) a dispersant; and (c) a detergent. At least one of the dispersant (b) and the detergent (c) is a borated species, and the amount of boron present in the composition is at least 250 ppm and is sufficient to impart improved friction and anti-seizure properties to the composition when employed in said transmission.

EMULSIFIERS FOR HIGHLY SATURATED HYDROISOMERIZED FLUIDS AND METHODS FOR MINIMIZING PEST INFESTATION IN AGRICULTURE

A preferred emulsifier blend includes ethoxylated alcohols containg hydrocarbons of C10-C16 and preferably having on average at least 2.8 ethoxy and/or alcohol groups per chain and y glycerol mono- and/or dioleates, preferably in a ratio of from 9:1 to 4:6. These emulsion blends are particularly useful when mixed with hydroisomerized oils and water, for subsequent application as a spray oil to agricultural crops. The emulsion blends of the present invention also find particular utility when mixed with conventional spray and hard water.

LUBRICATING OIL, HAVING IMPROVED FUEL ECONOMY RETENTION PROPERTIES

A lubricating oil composition which exhibits improved fuel economy and fuel economy retention, contains the combination of (a) a dithiocarbarmate of the formula R1(R2)N-C(:S)-S-(CH2)n-S-(:S)C-N(R2)R1 where R1 and R2 independently represent alkyl groups having 1 to 20 carbon atoms and n is an integer from 1 to 4; and (b) an oil soluble trinuclear friction modifying molybdenum compound, the two components functioning to provide an improvement in the friction reducing properties of the composition.

MIXTURE OF DI- OR TRITHIOPHOSPHORIC ACID DIESTERS, PROCESSES FOR PRODUCING IT AND ITS USE

PHOSPHITE TREATMENT OF PHOSPHORUS ACID SALTS AND COMPOSITIONS PRODUCED THEREBY

EPOXIDE OR EPISULFIDE POLYMER-BASED HOT MELT METAL WORKING LUBRICANTS

THIO-BIS-(HYDROCARBON-BISOXAZOLINES) AND ANALOGS AS OLEAGINOUS ADDITIVES

LUBRICATING OIL COMPOSITION

Lubricating oil compositions exhibititing improved low temperature valve train wear performance with a lowered phosphorus content, which contain a reduced amount of a metal hydrocarbyl dithiophosphate, a molybdenum compound, a metal- free friction modifier and a phosphorus-free antioxidant.

ENGINE LUBRICANT CONTAINING POLYETHER COMPOUNDS

The present invention relates to lubricant compositions for scooter engines and methods for reducing static friction between ferrous and non-ferrous surfaces as may be found in a wet clutch. The lubricant compositions contain polyether compounds in combination with one or more ash-free friction modifiers.

ENGINE OIL COMPOSITION

The problem to be solved by the present invention is to provide a fuel-saving-type engine oil composition, in which a low-viscosity engine oil is not constrained by a matter that the temperature is high or low, the load is low or high or the like and a good friction-reducing effect can be exhibited. The present invention is an engine oil composition characterized by containing: an engine oil which has a low-temperature viscosity of 0 to 10 in terms of an SAE viscosity grade and a high-temperature viscosity of 4 to 20 in terms of an SAE viscosity grade; and a molybdenum compound (A) represented by general formula (1) (wherein R1 to R4 independently represent a hydrocarbon group having 4 to 18 carbon atoms, wherein all of R1 to R4 do not represent the same group, and R3 and R4 do not represent the same group when R1 and R2 represent the same group; and X1 to X4 independently represent a sulfur atom or an oxygen atom).

QUENCHING OIL COMPOSITIONS

WATER-BASED HYDRAULIC FLUIDS HAVING IMPROVED LUBRICITY AND CORROSION INHIBITING PROPERTIES

METHOD OF LUBRICATING AN INTERNAL COMBUSTION ENGINE AND IMPROVING THE EFFICIENCY OF THE EMISSIONS CONTROL SYSTEM OF THE ENGINE

Internal combustion engines exhibit improved efficiency of the emissions control system by using a lubricating oil composition of a base oil, an alkali or alkaline earth metal-containing detergent; a metal salt of one or more phosphorus-containing compounds represented by the formula (I) , wherein X1 and X2 are independently O or S, and R1 and R2 are independently hydrocarbyl groups, the average total number of carbon atoms in R1 and R2 for the one or more phosphorus-containing compounds being at least 10.4; and an acylated nitrogen-containing compound having at least about 10 alphatic carbon atoms and a TBN of at least about 2; the lubricating oil composition being characterized by a phosphorus concentration of up to about 0.12% by weight and the substantial absence of copper, thereby generating a lean-phosphorus containing exhaust gas.

PREPARATION OF OIL-SOLUBLE METAL SULPHONATES

ADDITIVE COMPOSITIONS WITH PLURAL FRICTION MODIFIERS

A lubricating oil comprising a major amount of base oil and a minor amount of an additive package, wherein the additive package comprises: (A) a friction modifier component selected from: (a) one or more a reaction products of an alcohol with a compound of the formula IV: (see formula IV) and (b) one or more compounds of the Formulae II-III: (see formula II); and (see formula III) wherein R is a linear or branched, saturated, unsaturated, or partially saturated hydrocarbyl having about 8 to about 22 carbon atoms, R2 and R3 are independently selected from hydrogen C1-C18 hydrocarbyl groups, and C1-C18 hydrocarbyl groups containing one or more heteroatoms; X is an alkali metal, alkaline earth metal or ammonium cation and n is the valence of cation X, and reaction products of amines, amino alcohols, alkali or alkaline earth metal hydroxides, alkali or alkaline earth metal oxides and mixtures thereof with compounds of the Formula IV: (see formula IV) wherein R is as defined above; and (B) at ...

LUBRICANT COMPOSITIONS FOR MOTOR VEHICLE TRANSMISSIONS

L'invention a pour objet une composition lubrifiante comprenant : (a) Un composé organomolybdène, (b) Un ou plusieurs additifs antiusure et extrême pression choisis parmi les thia(di)azoles, (c) Un ou plusieurs additifs antiusure et extrême pression phosphoré et/ou phosphosoufré choisi parmi les phosphites, phosphates, phosphonates, thiophosphates ou thiophosphites, ladite composition lubrifiante ayant une teneur massique en molybdène comprise entre 90 et 350 ppm. Utilisation pour la lubrification des boites de vitesses.

LUBRICATING OIL COMPOSITIONS

Lubricating oil compositions for residual fuel oil-fuelled diesel engines for marine and stationary applications comprising, or made by admixing: (a) a basestock of lubricating viscosity, in a major amount; and (b) an oil-soluble or oil-dispersible molybdenum compound, in a minor amount; wherein the oil composition has a TBN from 20 to 100 as measured according to ASTM D-2896 and a viscosity at 100.degree.C in the range from 9 to 30 mm2s-1 as measured according to ASTM D-445. The lubricating oil compositions of the present invention demonstrate improved cylinder liner wear performance.

LUBRICANTS, GREASES, AQUEOUS FLUIDS AND CONCENTRATES CONTAINING ADDITIVES DERIVED FROM DIMERCAPTOTHIADIAZOLES

Title: LUBRICANTS, GREASES, AQUEOUS FLUIDS AND CONCEN TRATES CONTAINING ADDITIVES DERIVED FROM DIMERCAPTOTHIADIAZOLES of the Invention This invention relates to a composition comprising (A) a major amount of an oil of lubricating viscosity and (B) a minor amount of (i) a reaction product of (a) at least one dimercaptothiadiazole, and (b) at least one alpha, beta-unsaturated ester prepared by reacting an alpha, beta-unsaturated carboxylic acylating agent with a hydroxy compound, or (ii) a salt of the reaction product, provided that when theacylating agent is a monocarboxylic acylating agent then the hydroxy compound is a monohydroxy compound, and provided that when the ester is formed from a maleic acylating agent, then the ester is formed from a sulfur-containing hydroxy compound or a combination of a polyhydroxy compound and a monohydroxy. The invention also relates to aqueous fluids, greases, and concentrate compositions containing the reaction products and its salts. These additives ...

CHLORINE-FREE DIESEL ENGINE LUBRICATING COMPOSITION

A railway diesel engine lubricating composition is essentially tree of zinc dithiophosphate wear inhibitors and chlorinated inhibitors. This composition has an oil of lubricating viscosity; a noncarbonated sulfurized calcium alkyl phenate, a carbonated sulfurized calcium alkyl phenate, a calcium Mannich alkyl phenate, and an ethylene carbonate modified polybutene bis-succinimide. The noncarbonated sulfurized calcium alkyl phenate has a sulfur to metal ratio of between 1.1:1 and 2:1, the alkyl group of that phenate has from 8 to 35 carbon atoms, and the alkalinity value of that phenate is from 40 to 200 mg. KOH/gram. The noncarbonated sulfurized metal alkyl phenate is prepared by reacting a tetrapropylene phenol, sulfur, and a calcium base.

C14-CARBOXYLATE POLYMER AND VISCOSITY INDEX IMPROVER CONTAINING OLEAGINOUS COMPOSITIONS

A lubricating oil composition exhibiting improved low temperature flow properties and viscometric properties comprising lubricating oil and (i) an amount effective to improve the low temperature flow properties of said lubricating oil composition of additive consisting essentially of at least one low molecular weight polymer or interpolymer of unsaturated carboxy ester represented by the formula (see fig.I) wherein R' is selected from the group consisting of hydrogen and COOR, and R is a C14 alkyl group; and (ii) an amount effective to improve the viscosity index of said lubricating oil composition of additive comprising hydrocarbon polymeric viscosity index improver.

C14-CARBOXYLATE POLYMER AND VISCOSITY INDEX IMPROVER CONTAINING OLEAGINOUS COMPOSITIONS

A lubricating oil composition comprising lubricating oil and (i) an amount effective to improve the low temperature flow properties of said lubricating oil composition of additive consisting essentially of at least one low molecular weight polymer or interpolymer of unsaturated carboxy ester represented by the formula wherein R' is selected from the group consisting of hydrogen and COOR, and R is a C14 alkyl group; and (ii) an amount effective to improve the viscosity index of said lubricating oil composition of additive comprising copolymer of ethylene and at least one other alpha-olefin monomer, said copolymer comprising intramolecularly heterogeneous copolymer chains containing at least one crystallizable segment of methylene units and at least one low crystallinity ethylene-alpha-olefin copolymer segment, wherein said at least one crystallizable segment comprises at least about 10 weight percent of said copolymer chain and contains an average ethylene content of at least about 57 weight ...

LUBRICATION OIL COMPOSITION

A lubricating oil composition comprising a basestock oil and, based on the oil composition, (A) 0.01 to 10 % by weight of oxymolybdenum monoglyceride or oxymolybdenum diethylate amide and (B) 0.5 to 7 % by weight of a metal dithiocarbamate represented by general formula (I), where M represents metal such as zinc, R1 to R4 represent C1-C30 oleophilic group at least one of which is a secondary oleophilic group. The composition may also contain (C) 0.01 to 5 % by weight of an organic amide compound. The lubricating oil composition is excellent in wear resistance, exhibiting a low coefficient of friction, capable of improving fuel economy and improved for copper corrosiveness, as well as capable of providing a low coefficient of friction already from the initial stage of operation.

LUBRICATING OIL COMPOSITION FOR INTERNAL COMBUSTION ENGINES

Providing a lubricating oil composition for internal combustion engines which has high resistance to oxidation by nitrogen oxides, excellent friction characteristics that is maintained for a prolonged period, and reduces the fuel consumption for a prolonged period. A lubricating oil composition for internal combustion engines is provided consisting of a base oil principally consisting of a hydrocarbon oil which has a dynamic viscosity of 2-20 mm or less aromatic components in total, 45 wt% or more one- and two-ring naphthenes in total, 50 wt ppm or less sulfur and 50 wt ppm or less nitrogen, to which are added, with respect to the total weight of the composition, 0.02-0.2 wt% as molybdenum of molybdenum dithiocarbamate, 0.02-0.15 wt% as phosphorus of zinc dithiophosphate, and 0.05-3 wt% of phenol-based antioxidant. The lubricating oil composition according to the invention has a low friction coefficient, which is maintained for a prolonged period even after oxidation by nitrogen oxides.

LUBRICATING OIL COMPOSITION

A lubricating oil composition containing from 0.01 to 0.8% by weight, based on the whole composition, of a phosphoric ester and/or a phosphorous ester, from 50 to 2,000 ppm (in terms of molydbenum) of sulfurized oxymolybdenum dithiocarbamate having at least one hydrocarbyl group having 8 to 18 carbon atoms and from 0.3 to 2.5% by weight of a calcium salicylate having a total base number of 10 to 100.

LOW PHOSPHOROUS ENGINE OIL COMPOSITION AND ADDITIVE COMPOSITIONS

LUBRICATING COMPOSITION

A lubricating composition of the present invention comprises a base oil for lubricating oil or base grease; at least one molybdenum compound as component (A) selected from the group consisting of a selected sulfurized oxymolybdenum dithiocarbamate, a selected sulfurized oxymolybdenum dithiophosphate and a selected molybdenum amine compound; and a (poly)glycerol ether and/or a (poly)oxyalkylene glycol monoalkyl ether as component (B).

LUBRICATING OIL COMPOSITIONS AND CONCENTRATES FOR THE PREPARATION THEREOF.

COMPOSITE LUBRICATING OIL.

LUBRICATING OIL COMPOSITIONS AND CONCENTRATES FOR THE PREPARATION THEREOF.

LUBRICATING OIL COMPOSITIONS.

Self-lubricating composite coating.

L’invention a pour objet un revêtement solide composite autolubrifiant destiné notamment à une application aux mécanismes d’horlogerie, caractérisé en ce qu’il comprend des particules (3) de graphène et/ou d’oxyde de graphène réparties dans une matrice (4) métallique.

METHOD OF MANUFACTURING SURFACE WITH LOW FRICTION COEFFICIENT

СМАЗОЧНОЕ МАСЛО ДЛЯ ДВИГАТЕЛЯ ВНУТРЕННЕГО СГОРАНИЯ И ЕГО ПРИМЕНЕНИЕ

Изобретение относится к смазочному маслу для двигателя внутреннего сгорания, включающему первый усилитель горения, представляющий собой алкилбензолсульфонат церия, и второй усилитель горения, представляющий собой алкилкарбоксилат железа. Изобретение предусматривает применение указанного смазочного масла в двигателе для снижения выбросов, в частности выбросов дыма, из указанного двигателя, очистки указанного двигателя, увеличения срока службы транспортного средства с указанным двигателем и снижения потребления смазочного масла в указанном двигателе.

СПОСОБ ПОЛУЧЕНИЯ ЗАДАННОГО КОЭФФИЦИЕНТА ТРЕНИЯ МЕТАЛЛИЧЕСКОЙ ЗАГОТОВКИ

Изобретение касается способа получения заданного коэффициента трения поверхности металлической заготовки путем нанесения и отверждения одно- или многослойного покрытия, включающего одну обращенную к заготовке граничную поверхность и одну обращенную от заготовки граничную поверхность, при этом одно или несколько основных покрытий, соответственно содержащих по меньшей мере одно вяжущее вещество и металлические частицы, наносятся слоями и по меньшей мере одно из основных покрытий содержит по меньшей мере одно смазочное средство. Для обеспечения возможности эффективного применения смазочного средства в антикоррозионных покрытиях предусмотрено получение заданного коэффициента трения за счет концентрации смазочного средства и/или состава смазочного средства, которые на обращенной к заготовке граничной поверхности отличаются от имеющихся на обращенной от заготовки граничной поверхности.

THE LUBRICATING OIL

КОМПОЗИЦИИ ПРИСАДОК ДЛЯ СМАЗОЧНЫХ МАСЕЛ

Раскрыта композиция смазочного масла, имеющая синергическую устойчивость к окислению, композиция, включающая по меньшей мере один экранированный фенольный антиоксидант, по меньшей мере один моноборсодержащий экранированный фенольный антиоксидант, по меньшей мере один диборсодержащий экранированный фенольный антиоксидант, по меньшей мере один алкилированный дифениламин и по меньшей мере одно органическое молибденовое соединение. Изобретение также предлагает концентрат композиции присадок для смазочных масел, которые придают синергическую устойчивость к окислению смазочного масла при его добавлении, концентрат композиции, включающий по меньшей мере один экранированный фенольный антиоксидант, по меньшей мере один моноборсодержащий экранированный фенольный антиоксидант, по меньшей мере один диборсодержащий экранированный фенольный антиоксидант, по меньшей мере один алкилированный дифениламин и по меньшей мере одно органическое молибденовое соединение. Кроме того, концентрат композиции настоящего ...

ДИАРОМАТИЧЕСКИЕ АМИНЫ

Предоставлены соединения диароматического амина, или их изомеры, или смеси изомеров, имеющие общую формулу (1), где n, m, R1, R2, R4, R и R5 определены, как описано выше. Также предоставлены композиции смазочных масел и композиции, содержащие стабилизатор, содержащие соединения диароматического амина.

Viscosity index improver, lubricating oil and an additive for a lubricating oil composition

Grease composition for constant velocity joints

The present invention provides a grease composition for use in constant velocity joints, having improved wear resistance and endurance characteristics. The grease is made by incorporating in a urea grease (A) a molybdenum dialkyldithiocarbamate, (B) a molybdenum dithiophosphate, (C) 2- (4-morpholinyldithio) benzothiazole and (D) a calcium sulphonate. The blended amount of (A) + (B) is made not more than 10% by weight, and that of (C) and (D) not more than 3% by weight respectively. Also, a grease for use in constant velocity joints is made by further adding (E) zinc dithiophosphate to the aforementioned components (A) + (B) + (C) + (D) in a blended amount of not more than 3% by weight.

Lubricating oil composition

Provided is a lubricating oil composition with low molybdenum content and excellent friction reduction. The composition comprises in a lubricant base oil: (A) the phosphate metal salt represented by formula (1) and (B) an organomolybdenum compound wherein the ratio of molybdenum atoms to sulfur atoms is at least 1:3.5. (In the formula, R1 to R4 represent an optionally same or different C1-30 hydrocarbon group, C1-30 alkyl or alkenyl group, or a C1 - 30 alkyl-containing alkyl thioethyl group; X1, X2, X3, and X4 each represent a sulfur or oxygen atom wherein either X1 or X2 is an oxygen, or both are oxygen, and either X3 or X4 is an oxygen or both are oxygen; and Y represents a metal element.) ...

COMPOSITIONS Of LUBRICATING OILS

ACIDIC PHOSPHORUS-CONTAINING ORGANIC REACTION PRODUCTS AND LUBRI CATING COMPOSITIONS CONTAINING THEM

TITANIUM-CONTAINING LUBRICATING OIL COMPOSITION

L'invention concerne une composition d'huile lubrifiante totalement formulée comprenant au moins un dispersant du type succinimide, un détergent contenant un métal, au moins un antioxydant et un composé de titane soluble dans les hydrocarbures. Elle concerne également un concentré d'additifs pour lubrifiants. Application : Utilisation de ladite composition pour réduire la formation des boues dans un moteur à combustion interne.

DERIVES THIOMOLYBDENIQUES D'ALCENYLSUCCINIMIDES DISPERSANTS, ET LUBRIFIANTS EN CONTENANT

COMPOSE FORME PAR REACTION D'UN ALCENYLSUCCINIMIDE REPONDANT A LA FORMULE: (CF DESSIN DANS BOPI) DANS LAQUELLE R EST UN RADICAL ALCENYLE EN C A C, ET X EST UN NOMBRE DE 0 A 10, AVEC UN SEL D'AMMONIUM D'UN THIOACIDE DU MOLYBDENE OU UN OXACIDE DU MOLYBDENE ET DE L'HYDROGENE SULFURE, ET ELIMINATION DES SOUS-PRODUITS VOLATILS. APPLICATION COMME DISPERSANT DANS DES HUILES MINERALES LUBRIFIANTES.

Useful chemical compositions like detergents and inhibitors of rust

Oil for the greasing of apparatuses of precision

COMPOSITION D'HUILE LUBRIFIANTE CONTENANT UN COMPLEXE DE SUCCINIMIDE ET DE DI-(ALKYLE INFERIEUR)-DITHIOPHOSPHATE DE METAL SOLUBLE DANS L'HUILE

L'INVENTION A TRAIT AU DOMAINE DES HUILES LUBRIFIANTES. ELLE CONCERNE PLUS PARTICULIEREMENT UNE COMPOSITION D'HUILE LUBRIFIANTE COMPRENANT UNE QUANTITE DOMINANTE D'UNE HUILE LUBRIFIANTE ET UNE QUANTITE SECONDAIRE D'UN COMPLEXE OBTENU PAR REACTION D'UN SEL METALLIQUE D'UN ACIDE DI-ALKYL-DITHIOPHOSPHORIQUE A RADICAUX ALKYLE INFERIEURS AVEC UN MONO- OU BIS-SUCCINIMIDE ALCENYLIQUE OU ALKYLIQUE SOLUBLE DANS L'HUILE, LE RAPPORT DU PREMIER AU SECOND CORPS REACTIONNEL ETANT COMPRIS DANS LA PLAGE DE 3:1 A 10:1. L'ADDITIF EST UTILISE EN QUANTITE SUFFISANTE POUR INHIBER L'OXYDATION ET LA CORROSION.

Composed containing a halogen and phosphorus and compositions containing these compounds

New organometallic salts

GREASE COMPOSITION FOR CONSTANT VELOCITY JOINT.

PREPARATION OF OIL-SOLUBLE METAL SULPHONATES

METHOD FOR IMPROVING the NON-INFLAMMABILITY Of an OIL OF DIMETHYLSILICONE TO BE USED IN FIXED ELECTRICALS APPLIANCE

PROCEEDED OF TREATMENT TO SALT PHOSPHITE Of ACIDS OF PHOSPHORUS, COMPOSITIONS THUS PRODUCED, CONCENTRATE AND LUBRICANTS the CONTAINER

CORROSION INHIBITING COMPOSITIONS

Process and equipment for the metalliferous matter reduction

New additives with antioxydant action for the organic compositions such as the hydrocarbon fuels, lubricants and polymers

LUBRICANT COMPOSITIONS

Compositions of greases

LUBRICATING COMPOSITION WITH A PHASE CHANGE MATERIAL

Improvements in or relating to ester-based lubricants

Silylorganocyclopentadiénylmétalcarbonyles and their method of preparation

Method of preparation of organometallic orthophosphates

Preparation or improvement of metal derivatives of alkyl phenols

Lubricating engine oil compositions containing detergent compounds

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

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

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 ...

Motorcycle Lubricant

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

LUBRICATING OIL COMPOSITION AND METHOD FOR PRODUCING LUBRICATING OIL COMPOSITION

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 ...

LUBRICATING OIL COMPOSITION

Disclosed is a lubricating oil composition comprising: a lubricating base oil comprising 0.5% to 70% by mass of an ester base oil based on the total amount of the lubricating base oil, and having a kinematic viscosity at 40° C. of 18 to 28 mm/s; and an organic molybdenum compound in an amount of 100 to 1000 mass ppm in terms of the molybdenum element based on the total amount of the lubricating oil composition, wherein the lubricating oil composition has a kinematic viscosity at 40° C. of 50 mm/s or less. 14-. (canceled)5. A lubricating oil composition comprising:{'sup': '2', 'a lubricating base oil comprising 1% to 70% by mass of an ester base oil based on the total amount of the lubricating base oil, and said lubricating base oil having a kinematic viscosity at 40° C. of 22 to 26 mm/s; wherein the amount of the lubricating base oil is 67.5% by mass or more; and'}molybdenum dithiocarbamate in an amount of 100 to 1000 mass ppm in terms of molybdenum element based on the total amount of the lubricating oil composition, wherein{'sup': '2', 'the lubricating oil composition has a kinematic viscosity at 40° C. of 10 of 50 mm/s or less,'}the lubricating oil composition further comprising 2.5% to 24% by mass of a copolymer of an α-olefin and an α,β-ethylenically unsaturated dicarboxylic acid diester, based on the total amount of the lubricating oil composition, wherein the weight-average molecular weight of the copolymer is 6000 to 15000,the lubricating oil further comprising a boron-containing dispersant in an amount of 100 to 500 mass ppm in terms of boron element based on the total amount of the lubricating oil composition,wherein the lubricating oil composition is free of styrene-maleic anhydride ester.6. The lubricating oil composition according to claim 5 , wherein the lubricating base oil comprises a synthetic base oil comprising a poly-α-olefin.7. A method of lubricating a hypoid gear comprising utilizing the lubricating oil composition of . The present invention ...

GREASE COMPOSITION FOR CONSTANT VELOCITY JOINTS

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 ...

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

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 ...

LOW CONDUCTIVITY LUBRICATING OILS FOR ELECTRIC AND HYBRID VEHICLES

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 , ...

LUBRICANT COMPOSITION IN PARTICULAR FOR LIMITING FRICTION

The present application relates to a lubricant composition comprising: 1. Lubricant composition comprising:at least one base oil;from 0.05 to 1.5% by weight of an organomolybdenum compound; and{'sub': '2', 'from 0.005 to 1% by weight of TiOparticles.'}2. Composition according to claim 1 , wherein the particles have an average size of between 10 nm and 1 μm.3. Composition according to claim 1 , comprising from 0.08 to 1% by weight of organomolybdenum compound relative to the total weight of said composition.4. Composition according to claim 1 , comprising from 0.01 to 0.8% by weight of titanium particles relative to the total weight of said composition.5. Composition according to claim 1 , in which the organomolybdenum compound is chosen from organic complexes of molybdenum comprising at least one molybdenum (Mo) chemical element and at least one ligand chosen from carboxylate and ester claim 1 , amide claim 1 , dithiophosphate or dithiocarbamate ligands.8. Composition according to claim 1 , wherein the organomolybdenum compound is selected from organic complexes of molybdenum with dithiophosphate ligands or organic complexes of molybdenum with dithiocarbamate ligands.9. Composition according to claim 1 , wherein the organomolybdenum compound is a molybdenum dithiocarbamate compound (MoDTC).1012-. (canceled)13. Method for lubricating mechanical parts claim 1 , in particular in an engine claim 1 , in particular an internal combustion engine claim 1 , comprising at least one step of contacting at least one part with a lubricant composition according to .14. Method for reducing friction in an engine claim 1 , preferably internal combustion engine claim 1 , for example vehicle engine claim 1 , comprising at least one step of contacting at least one part of the engine with a lubricant composition according to .15. Method for reducing wear in an engine claim 1 , preferably internal combustion engine for example vehicle engine claim 1 , comprising at least one step of ...

WATER BASED NANOPARTICLE DISPERION

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) ...

METHOD FOR IMPROVING ENGINE FUEL EFFICIENCY

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 ...

Dispersant Viscosity Index Improvers To Enhance Wear Protection In Engine Oils

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 ...

ULTRA-FLUID LUBRICATING COMPOSITION

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 ...

Connecting Sucker Rods with Couplings Having Dry Film Lubrication

A sucker rod assembly for use downhole includes sucker rods and couplings. The sucker rods having pin connections with a pin face and a threaded pin. The coupling make up adjoining rods using box connections each having a box face and internal thread. Dry film lubrication is applied only to the internal thread of the couplings and excluded from the box face of the box connections. During make up, the dry film lubrication can help prevent seizing and/or galling of the threads for the connection between the coupling and the rods. The box connection is circumferentially displaced relative to the pin connection to place a preload on the pin, and the box face has a friction abutment with the pin face. 1. A method of manufacturing a sucker rod assembly , the method comprising:providing a sucker rod coupling having an internal bore and having first ends, each of the first ends having a box connection, each of the box connections having a box face on the first end and having an internal thread disposed about the internal bore;applying lubricant only to the internal thread of the sucker rod coupling and excluded from the box faces; andcuring the lubricant to a dry film lubrication on the internal thread.2. The method of claim 1 , wherein the dry film lubrication comprises a molybdenum disulfide (MoS) coating claim 1 , a fluoropolymer coating claim 1 , a coating of fluoropolymer compounds in a matrix of organic polymers claim 1 , a coating using both polytetrafluoroethylene (PTFE) and molybdenum disulfide (MoS) claim 1 , or a mixture of a solid lubricant in a binder.3. The method of claim 1 , wherein applying the lubricant only to the internal thread of the sucker rod coupling and excluding from the box faces comprises masking at least one of the box faces; and inserting an applicator having the lubricant into at least one of the first ends to apply the lubricant to at least a portion of the internal thread.4. The method of claim 3 , wherein inserting the applicator having ...

LUBRICATING OIL COMPOSITION FOR GAS ENGINES

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 ...

Gasoline engine lubricant oil composition and manufacturing method therefor

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.

LUBRICANT COMPOSITION AND LUBRICATING OIL COMPOSITION

A lubricant composition including a binuclear molybdenum compound (A) and a trinuclear molybdenum compound (B), wherein these compounds are included in a range represented by (molybdenum of the binuclear molybdenum compound (A)):(molybdenum of the trinuclear molybdenum compound (B))=99.98:0.02 to 95:5 as a mass ratio. 1. A lubricant composition comprising a binuclear molybdenum compound (A) and a trinuclear molybdenum compound (B) , wherein these compounds are included in a range represented by (molybdenum of the binuclear molybdenum compound (A)):(molybdenum of the trinuclear molybdenum compound (B))=99.98:0.02 to 95:5 as a mass ratio.6. A lubricating oil composition comprising claim 1 , in a base oil claim 1 , the lubricant composition of in a molybdenum amount of 50 mass ppm to 5000 mass ppm.7. A method for improving a friction reducing effect of a lubricating oil composition claim 1 , the method comprising adding a binuclear molybdenum compound (A) and a trinuclear molybdenum compound (B) to a base oil which is to be used in the lubricating oil composition claim 1 , wherein molybdenum of the binuclear molybdenum compound (A) and molybdenum of the trinuclear molybdenum compound (B) are added in a range represented by 99.98:0.02 to 95:5 as a mass ratio.12. A lubricating oil composition comprising claim 2 , in a base oil claim 2 , the lubricant composition of in a molybdenum amount of 50 mass ppm to 5000 mass ppm.13. A lubricating oil composition comprising claim 3 , in a base oil claim 3 , the lubricant composition of in a molybdenum amount of 50 mass ppm to 5000 mass ppm.14. A lubricating oil composition comprising claim 4 , in a base oil claim 4 , the lubricant composition of in a molybdenum amount of 50 mass ppm to 5000 mass ppm.15. A lubricating oil composition comprising claim 5 , in a base oil claim 5 , the lubricant composition of in a molybdenum amount of 50 mass ppm to 5000 mass ppm.16. A lubricating oil composition comprising claim 8 , in a base oil ...

Transmission Lubricant Composition

A lubricant composition comprising a) a synthetic poly-alpha-olefin base fluid; b) an organomolybdenum friction modifier; c) an alkylphosphorothiolate and a hydrocarbylamine anti-wear combination; and d) a dihydrocarbyl dithiophosphate extreme pressure additive and optionally one or more of e) a copper corrosion inhibitor; f) an anti-foam agent; g) a solubilizing agent; h) polymeric viscosity index improver; and i) an oligomeric viscosity modifier is highly suitable for use in the synchronizer of a transmission. 1. A lubricant composition comprisinga) a synthetic poly-alpha-olefin base fluid;b) an organomolybdenum friction modifier;c) an alkylphosphorothiolate and a hydrocarbylamine anti-wear combination; andd) a dihydrocarbyl dithiophosphate extreme pressure additive.2. The lubricant composition according to comprising a synthetic poly-alpha-olefin base fluid selected from the group consisting of about Cto about Cpoly-alpha-olefins.3. (canceled)4. The lubricant composition according to comprising a friction modifier selected from the group consisting of organomolybdenum dithiocarbamates claim 1 , organomolybdenum dithiophosphates claim 1 , molybdenum carboxylate salts claim 1 , molybdenum-amine complexes claim 1 , molybdenum amine/alcohol/amide complexes claim 1 , molybdenum cluster compounds and molybdenum disulfide.5. (canceled)7. The lubricant composition according to comprising a hydrocarbylamine selected from the group consisting of alkylene diamines claim 1 , primary hydrocarbylamines claim 1 , and a combination thereof.8. (canceled)9. The lubricant composition according to claim 1 , wherein the wt/wt ratio of the alkylphosphorothiolate and hydrocarbylamine is from about 1/9 to about 9/1.11. (canceled)12. The lubricant composition according to having a kinematic viscosity of from about 9.0 mm/s to about 15.0 mm/s at 100° C. claim 1 , determined according to ASTM D445.13. The lubricant composition according to wherein the synthetic base fluid is from about 62 ...

LUBRICATING OIL COMPOSITIONS CONTAINING MICROENCAPSULATED ADDITIVES

A method for extending performance or service life of a lubricating oil in an engine or other mechanical component lubricated with the 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 at least one microencapsulated lubricating oil additive, as a minor component. The at least one microencapsulated lubricating oil additive includes an encapsulating material (e.g., polymeric matrix) and a core material (e.g., at least one lubricating oil additive) encapsulated by the encapsulating material. A method of improving solubility, compatibility and/or dispersion of lubricating oil additives in a lubricating oil base stock. A method for controlling release of a lubricating oil additive into a lubricating oil. A lubricating oil having a composition including a lubricating oil base stock as a major component, and at least one microencapsulated lubricating oil additive, as a minor component. 1. A method for extending performance of a lubricating oil in an engine or other mechanical component lubricated with the lubricating oil by using as the lubricating oil a formulated oil , said formulated oil having a composition comprising a lubricating oil base stock as a major component; and at least one microencapsulated lubricating oil additive , as a minor component; wherein the at least one microencapsulated lubricating oil additive comprises an encapsulating material and a core material encapsulated by the encapsulating material; and wherein the encapsulating material comprises a polymeric matrix and the core material comprises at least one lubricating oil additive.2. The method of wherein duration of performance of the lubricating oil in an engine or other mechanical component lubricated with the lubricating oil is extended as compared to duration of performance of a lubricating oil containing a minor component other than the at least one microencapsulated ...

Lubricating oil composition

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.

TITANIUM AND MOLYBDENUM COMPOUNDS AND COMPLEXES AS ADDITIVES IN LUBRICANTS

A lubricating composition comprising an oil of lubricating viscosity, 1 to 1000 parts per million by weight of titanium in the form of an oil-soluble titanium-containing material, and at least one additional lubricant additive provides beneficial effects on properties such as deposit control, oxidation, and filterability in engine oils. 1. A lubricating composition comprising:an oil of lubricating viscosity;about 5 to about 100 parts per million by weight of titanium in the form of an oil-soluble titanium-containing material which comprises a titanium (IV) alkoxide or a titanium (IV) neodecanoate or mixtures thereof;about 50 to about 150 parts per million by weight molybdenum in the form of an oil-soluble molybdenum-containing material comprising a molybdenum hydrocarbyldithiocarbamate; andabout 0.3 to about 3 percent by weight of a hindered phenolic antioxidant.2. The lubricating composition of claim 1 , wherein the amount of molybdenum is about 70 to about 150 parts per million by weight.3. The lubricating composition of claim 1 , wherein the hindered phenolic antioxidant comprises a hindered phenolic ester antioxidant.4. The lubricating composition of claim 1 , wherein the amount of the phenolic antioxidant is about 0.7 to about 2.0 percent by weight.5. The lubricating composition of claim 1 , wherein the amount of phosphorus in said composition is less than about 1000 parts per million by weight.6. The lubricating composition of claim 1 , further comprising at least one additive selected from the group consisting of an anti-wear agent and a dispersant.7. The lubricating composition of claim 1 , further comprising a sodium-containing detergent in an amount to contribute about 100 to about 2000 parts per million weight sodium to the composition.8. The lubricating composition of claim 1 , further comprising about 0.1 to about 2.0 weight percent of a component comprising a hydroxycarboxylic acid or an ester claim 1 , amide claim 1 , imide claim 1 , or salt thereof ...

Internal combustion engine lubricating oil composition

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.

ULTRA LOW ASH LUBRICATING OIL COMPOSITIONS

The present disclosure generally relates to a lubricating oil composition having a sulfur content of up to 0.4 wt. % and a sulfated ash content of up to 0.6 wt. %, as determined by ASTM D874, comprising: a major amount of base oil; at least 0.02 wt. % of triazole compound; less than about 1.3 wt. % of a diphenylamine antioxidant; and at least 900 ppm of molybdenum from a molybdenum containing compound; wherein the lubricating oil composition is essentially free of ZnDTP. Also provided are methods for reducing wear and copper corrosion in an engine which is equipped with a diesel particulate filter (DPF) or a gasoline particulate filter (GPF) after treatment device system. 1. A lubricating oil composition having a sulfur content of up to 0.4 wt. % and a sulfated ash content of up to 0.6 wt. % as determined by ASTM D874 , comprising:a. a major amount of base oil;b. at least 0.02 wt. % of a non-borated triazole compound;c. less than about 1.3 wt. % of a diphenylamine antioxidant; andd. at least 900 ppm of molybdenum from a molybdenum containing compound;wherein the lubricating oil composition is essentially free of ZnDTP.2. The composition of claim 1 , wherein composition further comprises an oil soluble or oil dispersible boron-containing compound.3. The composition of claim 2 , wherein the boron-containing compound is present in an amount of at least about 500 ppm of boron claim 2 , based upon the total weight of the composition.4. The composition of claim 3 , wherein the boron-containing compound is present in an amount from about 500 ppm to about 1500 ppm of boron claim 3 , based upon the total weight of the composition.5. The composition of claim 1 , wherein the sulfur content is from about 0.01 to about 0.4 wt. % claim 1 , based upon the total weight of the composition.6. The composition of claim 1 , wherein the molybdenum containing compound is present in an amount of from about 900 to 1500 ppm of molybdenum claim 1 , based upon the total weight of the ...

MOLYBDENUM-CONTAINING COMPOSITION

A reactive composition comprising: 1. A reactive composition comprising:(A) a glycerol monoester (GMO);(B) an acid amide in which the chain length of the acid portion comprising the amide contains about 8 to about 28 carbon atoms; and(C) a molybdenum compound in which the oxidation state of the molybdenum is +6 (hereafter “a Mo reactant”).2. A composition according to comprising about 35 to about 65 wt. % of the monoester; about 15 to about 45 wt. % of the acid amide; and about 5 to about 25 wt. % of the molybdenum compound.3. A product prepared by reacting a reactive composition according to .4. A product in the form of a composition which is useful as a friction modifier and which comprises a mixture of the following:(A) about 25 to about 40 wt. % of a compound prepared by reacting a Mo reactant with an acid amide in which the chain length of the acid portion comprising the amide contains about 8 to about 28 carbon atoms (hereafter “an acid amide”);(B) about 25 to about 40 wt. % of a compound prepared by reacting a Mo reactant with a glycerol monoester; and(C) about 10 to about 25 wt. % of a compound prepared by reacting a Mo reactant, an acid amide, and a glycerol monoester.5. A product according to wherein the compound of (C) above is prepared by reacting about 5 to about 25 wt. % of the Mo reactant claim 4 , about 15 to about 45 wt. % of the acid amide; and about 35 to about 65 wt. % of sulfur.6. A composition according to wherein the composition contains no sulfur or contains no greater than about 0.01 wt. % of sulfur.7. A composition according to in which the molybdenum compound includes molybdenum trioxide claim 2 , molybdenum hexachloride claim 2 , or ammonium molybdate.8. A composition according to wherein the glycerol monoester is a compound in which one of the hydroxyl groups of glycerol is esterfied with a fatty acid which has a chain length of about 14 to about 22 carbon atoms and which can be saturated or unsaturated.9. A composition according to ...

IMIDAZOLIUM SULFUR-CONTAINING BINUCLEAR MOLYBDATE SALTS AS LUBRICANT ADDITIVES

The present invention relates to a compound of the Formula I: 2. The compound of claim 1 , wherein the hydrocarbyl groups are straight-chain claim 1 , branched claim 1 , or cyclic hydrocarbons and saturated or unsaturated hydrocarbons from 0 to 16 carbon atoms each.3. The compound of claim 2 , wherein the hydrocarbyl groups have from 1 to 10 carbon atoms each.4. The compound of claim 1 , wherein Qand Qare the same.5. The compound of claim 1 , wherein Qand Qare independently selected from the group consisting of 1 claim 1 ,3-dimethylimidazolium claim 1 , 1 claim 1 ,3-diethylimidazolium claim 1 , 1 claim 1 ,3-dibutylimidazolium claim 1 , 1 claim 1 ,3-di-2-ethylhexylimidazolium claim 1 , 1-ethyl-3-methylimidazolium claim 1 , 1-butyl-3-methylimidazolium and 1-decyl-3-methylimidazolium.6. The compound of claim 1 , selected from the group consisting of (1-ethyl-3-methylimidazolium)[MoSO] claim 1 , (1-n-decyl-3-rnethylimidazolium)[MoSO] claim 1 , (1-n-butyl-3-methylimidazolium)[MoSO] and (1 claim 1 ,3-di-2-ethylhexylimidazolium)[MoSO].7. A lubricating composition comprising a lubricant base oil or grease at least 90% by weight of the lubricating composition claim 1 , and one or more of a compound of claim 1 , wherein the compound of Formula I is present in an amount to deliver 100-15 claim 1 ,000 ppm of molybdenum to the lubricating composition.81. The lubricating composition of claim 7 , wherein the compound of Formula I is selected from the group consisting of (1-ethyl-3-methylimidazolium)[MoSO] claim 7 , (1-n-decyl-3-rnethylimidazolium)[MSO] claim 7 , (1-n-butyl-3-methylimidazolium)[MoSO] claim 7 , and (1 claim 7 ,3-di-2-ethylhexylimidazolium)[MoSO].9. The lubricating composition of claim 7 , further comprising a phosphorus or nitrogen containing anti-wear compound present at 0.005 wt. % to 10.000 wt. %.10. The lubricating composition of claim 11 , wherein the phosphorus or nitrogen containing anti-wear compound is selected from the group consisting of zinc ...

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

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 ...

Lubricant composition and lubricant oil composition containing same

The present invention relates to a lubricant composition including a molybdenum dithiocarbamate (A) represented by the general formula (1) and a copolymer (B) that includes, as essential constitutional units, a unit (a) represented by the general formula (2) and a unit (b) represented by the general formula (3), has a weight-average molecular weight of from 5,000 to 150,000, and has a composition ratio of the unit (a) to the unit (b), i.e., (a)/(b), of from 50/50 to 90/10 by mole, and a lubricant oil composition including same.

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

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 ...

TRACTION DRIVE FLUID

The invention describes a traction drive fluid that comprising a carrier and a particulate solid. The carrier has a boiling point of greater than at least about 100° C., and a melting point of below about 10° C., both being measured at 1 atm pressure. The particulate solid consists of a plurality of laminae. The laminae are homogeneously distributed through the carrier. 1. A traction drive fluid comprising:a carrier having a boiling point of at least about 100° C. and a melting point of below about 10° C., both being measured at 1 atm pressure; anda particulate solid consisting of a plurality of laminaewherein the laminae are homogeneously distributed through said carrier.2. The traction drive fluid according to claim 1 , wherein the carrier has a boiling point of at least about 200° C. claim 1 , measured at 1 atm pressure.3. The traction drive fluid according to or claim 1 , additionally comprising one or more of a corrosion inhibitor claim 1 , an antimicrobial agent claim 1 , an antioxidant claim 1 , a wear inhibitor claim 1 , a pour point depressant claim 1 , a metal deactivator claim 1 , an extreme pressure agent claim 1 , an antifoam agent claim 1 , a friction modifier claim 1 , and a viscosity index improver.4. The traction drive fluid according to any one of to claim 1 , additionally comprising a dispersant for dispersing the laminae in the carrier.5. The traction drive fluid according to claim 4 , wherein the dispersant is a polyether claim 4 , a polyetheramine claim 4 , an ethoxylated Bisphenol A claim 4 , an ethoxylated acrylate claim 4 , a poloxamer claim 4 , a polyalkylene glycol claim 4 , or a mixture of any two or more of these.6. The traction drive fluid according to any one of to claim 4 , wherein the laminae have a mean aspect ratio of at least about 20 claim 4 , aspect ratio being defined as the ratio of the minimum non-thickness dimension to the average thickness.7. The traction drive fluid according to any one of to claim 4 , wherein the laminae ...

Lubricating Oil Composition

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 ...

Soot dispersant

The present invention is directed to a use of a lubricant in a diesel engine to disperse soot produced by the diesel engine, the soot being dispersed without adversely affecting the viscosity of the lubricant; the lubricant comprising a major amount of oil of lubricating viscosity and a minor amount of a dispersant comprising (i) one or more olefin, (ii) one or more carboxylic acid, (iii) one or more polyetheramines and (iv) one or more aromatic amines along with co-additives.

SLIDING MEMBER AND PRODUCTION METHOD THEREFOR

A problem is to provide a sliding member capable of easily improving friction characteristics, and a production method therefor. A solution is a sliding member wherein a sliding portion is formed of a metallic material, and the sliding member has, on a surface of the sliding portion a Cr-containing modified layer formed by blasting a shot media containing Cr as a composition. The sliding member slides under an environment of a lubricant containing Mo as an additive, in which active Cr exposed on the surface by sliding accelerates decomposition reaction of the additive contained in the lubricant to form a molybdenum disulfide-containing film having low friction on the surface of the sliding portion 1. A sliding member sliding under an environment of a lubricant containing molybdenum (Mo) as an additive , whereina sliding portion is formed of a metallic material; andthe sliding member has, on a surface layer portion of the sliding portion, a Cr-containing modified layer formed by blasting a shot media containing chrome (Cr) as a composition.2. The sliding member according to claim 1 , wherein surface roughness Ra of the sliding portion is within a range of 0.03 μm or more and 0.4 μm or less.3. The sliding member according to claim 1 , wherein the sliding member is a gear or a bearing.4. A production method for a sliding member sliding in an environment of a lubricant containing molybdenum (Mo) as an additive claim 1 , comprising:a modified layer forming step of blasting a shot media containing chrome (Cr) as a composition onto a surface of a sliding portion formed of a metallic material to form a Cr-containing modified layer on a surface layer portion of the sliding portion.5. The production method for the sliding member according to claim 4 , wherein a shot media is blasted in such a manner that surface roughness Ra of a sliding portion falls within a range of 0.03 μm or more and 0.4 μm or less in the modified layer forming step.6. The production method for the ...

LUBRICATING OIL COMPOSITION

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. ...

Quaternary Ammonium Sulfur-Containing Binuclear Molybdate Salts as Lubricant Additives

wherein R1-R4 and R5-R8 are independently selected from the group consisting of hydrocarbyl groups and hydrocarbyl groups containing heteroatoms, such that the total carbon atoms from counterions Q1 and Q2 is from 8 to 76, and molybdate anion (Y) is a binuclear sulfur-containing dianion selected from the group consisting of [Mo2S8O2]2−, [Mo2S9O]2−, [Mo2S10]2, and mixtures thereof, and are present in the lubricating composition in an amount sufficient to provide about 100-15,000 ppm molybdenum.

ENGINE OIL COMPOSITION

A fuel-saving-type engine oil composition is provided that exhibits a satisfactory friction-reducing effect in a low-viscosity engine oil without being constrained by, for example, high temperatures, low temperatures, low loads, or high loads. The engine oil composition includes: an engine oil having a low-temperature viscosity of from 0 to 10 in SAE viscosity grades and a high-temperature viscosity of from 4 to 20 in the SAE viscosity grades; and a molybdenum compound (A) represented by the following general formula (1):

LUBRICANTS FOR USE IN BOOSTED ENGINES

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.

Cylinder lubricating oil composition for crosshead diesel engine

(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.

INDUSTRIAL LUBRICANT INCLUDING METAL CHALCOGENIDE PARTICLES AND PHOSPHORUS-BASED ADDITIVE

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 ...

LUBRICATING OIL COMPOSITION

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 ...

NON-ZINC-BASED ANTIWEAR COMPOSITIONS, HYDRAULIC OIL COMPOSITIONS, AND METHODS OF USING THE SAME

The present disclosure provides an antiwear composition including molybdenum dithiocarbamate and an additional antiwear agent including at least one non-zinc-based antiwear additive. The present disclosure further provides a lubricating composition or hydraulic oil that includes at least one lubricating base oil and an antiwear composition (such as, a non-zinc-based or substantially zinc-free antiwear agent) including an effective amount of molybdenum dithiocarbamate. The disclosure also provides methods of making and using the same. 1. An antiwear composition comprising:an effective amount of molybdenum dithiocarbamate; andan effective amount of at least one non-zinc-based antiwear agent.2. The antiwear composition of claim 1 , wherein the antiwear agent includes at least one of a phosphorous-based antiwear agent claim 1 , alkyl phosphate or ester thereof claim 1 , dialkyl dithiophosphate ester claim 1 , a phosphate-based antiwear agent claim 1 , salts thereof claim 1 , or a combination thereof.3. The antiwear composition of claim 1 , wherein the composition is substantially zinc free.4. A hydraulic oil composition comprising:at least one lubricating base oil; andan antiwear composition comprising an effective amount of molybdenum dithiocarbamate.5. The composition of claim 4 , wherein the effective amount of the molybdenum dithiocarbamate is no greater than about 0.75 wt. %.6. The composition of claim 4 , wherein the lubricating base oil or oils comprise at least one of: a Group I oil claim 4 , a Group II oil claim 4 , a Group III oil claim 4 , a Group IV oil claim 4 , a Group V oil claim 4 , a gas-to-liquid oil claim 4 , a polyalphaolefin claim 4 , or combinations thereof.7. The composition of claim 4 , wherein the lubricating base oil or oils include at least one of:at least one Group I oil;at least one Group III oil, ora combination thereof.8. The composition of claim 4 , further comprising at least one of a dispersant claim 4 , an additional antiwear agent ...

LUBRICANT COMPOSITION

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 ...

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

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.

Additive for lubricant compositions comprising an organomolybdenum compound, and a derivatized triazole

구리 및/또는 납 부식 문제를 극복하고 탄성체 밀봉 호환성을 유지하기 위하여 유기-몰리브덴 화합물의 사용을 가능하게 하는 헤비 듀티 디젤 엔진에 사용하는 윤활유 조성물. 윤활유는 (A) 유기-몰리브덴 화합물, (B) 트리아졸의 알킬레이티드 디페닐아민 유도체, (C) 베이스 오일 및 선택적으로 (D) 항산화제, 분산제, 세정제, 항마모 첨가제, 극압 첨가제, 마찰 변형제, 녹방지제, 부식방지제, 밀봉 팽창제, 소포제, 유동점 저하제 및 점도지수 변형제를 포함하는 그룹으로부터 선택된 하나 이상의 첨가제를 포함하는 조성물을 갖도록 특징된다. Lubricant compositions for use in heavy duty diesel engines that enable the use of organo-molybdenum compounds to overcome copper and / or lead corrosion problems and maintain elastomeric seal compatibility. Lubricants include (A) organo-molybdenum compounds, (B) alkylated diphenylamine derivatives of triazoles, (C) base oils and optionally (D) antioxidants, dispersants, detergents, anti-wear additives, extreme pressure additives, friction And a composition comprising one or more additives selected from the group consisting of modifiers, rust inhibitors, preservatives, sealing expanders, antifoams, pour point depressants and viscosity index modifiers.

Materials as additives for advanced lubrication

This invention relates to carbon-based materials as anti-friction and anti-wear additives for advanced lubrication purposes. The materials comprise carbon nanotubes suspended in a liquid hydrocarbon carrier. Optionally, the compositions further comprise a surfactant (e.g., to aid in dispersion of the carbon particles). Specifically, the novel lubricants have the ability to significantly lower friction and wear, which translates into improved fuel economies and longer durability of mechanical devices and engines.

Method for improving engine fuel efficiency and energy efficiency

A method for improving fuel efficiency and energy efficiency, while maintaining or improving deposit control and cleanliness performance, in an engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil. The formulated oil includes a base oil mixture. The base oil mixture includes a lubricating oil base stock as a major component, and at least one cobase stock, as a minor component. The at least one cobase stock is present in an amount sufficient to reduce kinematic viscosity (Kv 100 ) of the base oil mixture as determined by ASTM D445, while maintaining or controlling cold cranking simulator viscosity (CCSV) of the lubricating oil as determined by ASTM D5293-15, such that the lubricating oil meets both kinematic viscosity (Kv 100 ) and cold cranking simulator viscosity (CCSV) requirements for a SAE engine oil grade as determined by SAE J300 viscosity grade classification system. A lubricating oil having a composition including a lubricating oil base stock as a major component, and at least one cobase stock, as a minor component.

Additive for lubricant compositions comprising a sulfur-containing and a sulfur-free organomolybdenum compound, and a triazole

구리 및/또는 납 부식 문제를 극복하기 위하여 유기-몰리브덴 화합물의 사용을 가능하게 하는 헤비 듀티 디젤 엔진에 사용하는 윤활유 조성물. 윤활유는 (A) 황-함유 유기-몰리브덴 화합물, (B) 황-프리 유기-몰리브덴 화합물 및 (C) 1,2,4-트리아졸, 포름알데히드 공급원 및 아민의 반응에 의하여 얻어지는 트리아졸 유도체를 포함하는 첨가제 조성물을 갖도록 특징되고, 상기 (A), (B) 및 (C)는 윤활유 조성물이 구리 및/또는 납 부식과 관련한 고온 부식 대상 시험 ASTM D 6594를 통과하기에 충분한 양으로 윤활유에 존재한다. Lubricant compositions for use in heavy duty diesel engines that allow the use of organo-molybdenum compounds to overcome copper and / or lead corrosion problems. The lubricating oil may contain triazole derivatives obtained by the reaction of (A) sulfur-containing organo-molybdenum compounds, (B) sulfur-free organo-molybdenum compounds and (C) 1,2,4-triazole, formaldehyde sources and amines. And (A), (B) and (C) are present in the lubricant in an amount sufficient to allow the lubricant composition to pass ASTM D 6594 subject to high temperature corrosion target tests involving copper and / or lead corrosion. do.

Multifunctional molybdenum containing compounds, method of making and using, and lubricating oil compositions containing same

Disclosed is a lubricating oil composition comprising the reaction product of a nitrogen containing reactant wherein the nitrogen containing reactant comprises an alkyl di-alkanolamide, an alkyl di-alkanolamine, or mixtures thereof; an acidic molybdenum compound; and a salicylate compound. Also disclosed is a method for operating an internal combustion engine comprising said lubricating composition and a method for preparing a molybdenum containing friction modifier.

Producing carbon-based boundary films from catalytically active lubricant additives

A lubricant composition includes an oil including a plurality of long-chain hydrocarbon molecules. A quantity of a catalytically active metal-organic additive is mixed with the oil. The metal-organic additive is formulated to fragment the long-chain hydrocarbon molecules of the oil into at least one of dimers and trimers under the influence of at least one of a mechanical loading and a thermal loading. In some embodiments, the metal-organic additive includes a compound of formula II: where: X is Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg, Rf, Db, Sg, Bh, Hs, Mt, Ds, Rg or Cn, and R 1 , R 2 , R 3 and R 4 are alkyl or alkyl halide.

Lubricating oil compositions

A lubricating oil composition which comprises a sulphur containing anti-oxidant and an alkene which exhibits improved nitrile elastomer seal compatibility.

Lubricating oil compositions

A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having no more than about 600 ppm of boron, based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having no more than about 800 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of about 5:1 to about 500:1.

Internal combustion engine lubricant

The invention provides a composition containing an oil of lubricating viscosity and an N-substituted malimide. The invention further relates to the use of the lubricating composition in an internal combustion engine.

Dispersant viscosity index improvers to enhance wear protection in engine oils

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.

manufacturing method of solid lubricants for bearing havig improved heat resistance

The present invention provides a method for manufacturing solid lubricants for a bearing, which comprises the following steps: (a) mixing a lubricant material and an inorganic binder at a predetermined weight ratio and stirring the mixture using a solvent; (b) adding an antifoaming agent to 2-10% with respect to a total weight of the paste mixture, to a paste mixture stirred through the step (a); (c) dispersing the paste mixture to which the antifoaming agent was added through the step (b) using a roll mill; and (d) molding the paste mixture which was uniformly dispersed through the step (c) into a cage coupled to the bearing, drying the paste mixture at a predetermined temperature, and coupling the paste mixture and the bearing.

Grease composition for constant velocity joints

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.

Lubricant composition

The present disclosure concerns a lubricant composition including: at least one base oil; and at least two glycerol esters E 1 and E 2 , ester E 1 being an ester of glycerol and of a C 12 -C 26 carboxylic acid and ester E 2 being an ester of glycerol and of a C 4 -C 10 carboxylic acid. The lubricant composition has good friction properties, and the use thereof promotes fuel savings.

Sliding system

[Technical Problem] An object is to provide a sliding system which can drastically reduce the friction coefficient on a sliding portion by means of a novel combination of a chromium nitride film and a lubricant oil. [Solution to Problem] The sliding system according to the present invention includes: a pair of sliding members having sliding surfaces that can relatively move while facing each other; and a lubricant oil that can be interposed between the sliding surfaces facing each other. At least one of the sliding surfaces is formed as a coating surface of a chromium nitride film, and the lubricant oil contains an oil-soluble molybdenum compound that has a chemical structure of a trinuclear of Mo. When the chromium nitride film as a whole is 100 at % (referred simply to as “%”), the chromium nitride film contains 40-65% of Cr and 35-55% of N, and the chromium nitride film has a relative surface area of 15-60% wherein the relative surface area is a surface area ratio of (111) plane to (200) plane obtained when analyzed using X-ray diffraction. The lubricant oil preferably contains 5-800 ppm of the oil-soluble molybdenum compound in a content mass of Mo to the lubricant oil as a whole.

Grease composition

A grease composition for constant velocity joints which comprises the following components: (a) a base oil, (b) a thickener, (c) a montan wax, (d) a zinc sulfonate, and (e) a sulfurized molybdenum dialkyldithiocarbamate.

Lubricant and synergistic additive formulation

A friction modifying lubricant additive is provided comprising a base oil, colloidal nanocarbon particles, and a fluorine containing oligomeric dispersant. The fluorine containing oligomeric dispersant includes an anchoring group, a lipophilic hydrocarbon group, and a fluorinated oleophobic group. Further, a friction modifying lubricant additive is provided comprising a base oil, colloidal nanocarbon particles, a fluorine containing oligomeric dispersant, and at least one component selected from the group consisting of an antifriction component, an antiwear component, and an extreme pressure component. In another aspect, a method of manufacturing a lubricant additive is provided, the method comprising the step of mixing together a fluorine containing oligomeric dispersant, a dispersion of colloidal nanocarbon particles in a first base oil, and a second base oil.

Coating for high temperature applications with tribological stress

The present invention relates to a coating for high-temperature applications with tribological stress. The coating comprises a multi-layer system and a top lubrication layer, the top lubricant layer containing, as a main component, molybdenum.

Lubricating oil composition

The present invention provides a lubricating oil composition including a viscosity index improver (A) containing a comb-shaped polymer and having an SSI (shear stability index) of 30 or less together with a base oil, wherein an HTHS viscosity (high temperature high shear viscosity) at 150° C. (T 150 ) is 1.6 to 2.9 mPa·s, and a ratio of a kinematic viscosity at 40° C. (V 40 ) [mm 2 /s] to the HTHS viscosity at 150° C. (T 150 ) [mPa·s] (V 40 /T 150 ) is 12.4 or less. The lubricating oil composition of the present invention is excellent in fuel consumption reducing properties in a low-temperature region assuming the time of starting an engine while making various properties, such as a viscosity, etc., in a high-temperature region assuming the time of high-speed operation of an engine favorable.

Lubricant compositions

A method for improving corrosion protection and friction coefficient 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 comprising a lubricating oil base stock as a major component, and a mixture of (i) at least one organic molybdenum compound, and (ii) at least one borated ester, as a minor component. Corrosion protection and friction coefficient are improved as compared to corrosion protection and friction coefficient achieved using a lubricating oil containing a minor component other than the mixture of (i) at least one organic molybdenum compound, and (ii) at least one borated ester.

Additive compositions with a friction modifier and a metal dialkyl dithio phosphate salt

A lubricating composition comprising a major amount of base oil and a minor amount of an additive package, wherein the additive package comprises: (A) a friction modifier component selected from: (a) one or more a reaction products of an alcohol with a compound of the formula IV: and (b) one or more compounds of the Formulae II-III: wherein R is a linear or branched, saturated, unsaturated, or partially saturated hydrocarbyl having about 8 to about 22 carbon atoms; R 2 and R 3 are independently selected from hydrogen, C 1 -C 18 hydrocarbyl groups, and C 1 -C 18 hydrocarbyl groups containing one or more heteroatoms; and X is an alkali metal, alkaline earth metal, or ammonium cation and n is the valence of cation X; and (B) at least one metal dialkyl dithio phosphate salt.

Noise reducing grease composition

The invention provides a grease composition capable of smoothly operating the lubricated parts even under wide-ranging temperature conditions, and at the same time, exhibiting excellent noise reducing effect on the lubricated parts. The grease composition containing a base oil and a thickener is provided, wherein the base oil includes at least one first base oil selected from the group consisting of poly-α-olefins and ethylene-α-olefin oligomers and at least one second base oil selected from the group consisting of polybutene, polyisobutylene, polymethacrylate, and styrene based copolymers, with the first base oil being contained in an amount of 65 mass % or more and the second base oil being contained in an amount of 1 mass % or more and less than 35 mass % based on the total mass of the base oil, the base oil having a kinematic viscosity of 350 to 1400 mm 2 /s at 40° C., the first base oil having a kinematic viscosity of 300 to 1200 mm 2 /s at 40° C., and the second base oil having a kinematic viscosity of 1500 to 200,000 mm 2 /s at 40° C.

Calcium carbonate based sulfonate grease compositions and method of manufacture

An overbased calcium sulfonate grease composition comprising a reduced amount of overbased calcium sulfonate, added calcium carbonate, base oil, one or more converting agents, and one or more complexing acids if a complex grease is desired. The calcium sulfonate grease composition improves thickener yield and expected high temperature utility as demonstrated by dropping point. The calcium carbonate may be used to react with complexing acids when making a complex grease, such that the addition of calcium oxide or calcium hydroxide is not required. A method of making the composition comprising the steps of mixing the overbased calcium sulfonate and base oil, adding the calcium carbonate, adding one or more converting agents, and adding one or more complexing acids. All or a portion of one or more of the complexing acids may be added with or prior to the one or more converting agents.

Imidazolium sulfur-containing binuclear molybdate salts as lubricant additives

The present invention relates to a compound of the Formula I: and a lubricating composition containing and a method for preparing the same. In Formula I, R 1 -R 5 and R 6 -R 10 are independently selected from the group consisting of hydrogen, hydrocarbyl groups and hydrocarbyl groups containing heteroatoms, such that the total carbon atoms from Q 1 and Q 2 is from 6 to 166 carbon atoms, and molybdate anion (Y) is a binuclear sulfur-containing dianion selected from the group consisting of [Mo 2 S 8 O 2 ] 2− , [Mo 2 S 9 O] 2− , and [Mo 2 S 10 ] 2 .

Additive for lubricant compositions comprising an organomolybdenum compound, and a derivatized triazole

A lubricating composition for use in heavy duty diesel engines which is formulated to allow the use of organo-molybdenum compounds but which overcomes the issue of Cu and/or Pb corrosion and also maintains elastomer seal compatibility. The lubricant is characterized by having a composition comprising (A) an organo-molybdenum compound, (B) an alkylated diphenylamine derivative of triazole, (C) base oil, and optionally (D) one or more additives selected from the group including antioxidants, dispersants, detergents, anti-wear additives, extreme pressure additives, friction modifiers, rust inhibitors, corrosion inhibitors, seal swell agents, anti-foaming agents, pour point depressants and viscosity index modifiers.

Thermally stable self-lubricating coatings

In some examples, an article includes a substrate and a coating on the substrate. The coating includes a stabilized microstructure including Magnéli oxide phase including an oxide of at least one of W, Mo, Nb, Ta, or Re. In some examples, a technique may include forming a coating including a refractory metal on a surface of a substrate. The technique also may include heat treating the coating at a temperature between about 500° C. and about 700° C. to form a coating including a stabilized microstructure including Magnéli oxide phase. The stabilized microstructure including Magnéli oxide phase may include an oxide of at least one of W, Mo, Nb, Ta, or Re. In some examples, the coating including the stabilized microstructure including Magnéli oxide phase exhibits a coefficient of friction that is at least 25% less than the coefficient of friction exhibited by the as-deposited coating under similar conditions.

Marine lubricating oils and method of making and use thereof

Provided are marine lubricating oils including from 15 to 95 wt % of a Group III base stock having a kinematic viscosity at 100 deg. C. of 4 to 12 cSt, 0.5 to 55 wt % of cobase stock having a kinematic viscosity at 100 deg. C. of 29 to 1000 cSt, 0.1 to 2.0 wt % of a molydithiocarbamate friction modifier, 0.1 to 2.0 wt % of a zinc dithiocarbamate anti-wear additive, and 2 to 30 wt % of other lubricating oil additives. The cobase stock is selected from the group consisting of a Group I, a Group IV, a Group V and combinations thereof. Also provided are methods of making and using the marine lubricating oils.

Organometallic salt composition, a method for its preparation and a lubricant additive composition

The purpose of the present invention is to provide organometallic salt compositions that are useful as lubricant additives and/or in lubricant additive compositions to reduce friction and wear, and also have improved solubility in all four types of hydrocarbon base oils (Groups I-IV) at a variety of concentrations and under a variety of conditions. The organometallic salt composition is derived from at least one long chain monocarboxylic acid and a single metal in combination with at least one short or medium branched-chain monocarboxylic acid. The compositions are particularly useful in combination with activated complexes comprising a first metal component, a second metal component and particles comprising the first metal component.

Additive compositions with plural friction modifiers

A lubricating oil comprising a major amount of base oil and a minor amount of an additive package, wherein the additive package comprises: (A) a friction modifier component selected from: (a) one or more a reaction products of an alcohol with a compound of the formula IV: and (b) one or more compounds of the Formulae II-III: wherein R is a linear or branched, saturated, unsaturated, or partially saturated hydrocarbyl having about 8 to about 22 carbon atoms, R 2 and R 3 are independently selected from hydrogen C 1 -C 18 hydrocarbyl groups, and C 1 -C 18 hydrocarbyl groups containing one or more heteroatoms; X is an alkali metal, alkaline earth metal or ammonium cation and n is the valence of cation X, and reaction products of amines, amino alcohols, alkali or alkaline earth metal hydroxides, alkali or alkaline earth metal oxides and mixtures thereof with compounds of the Formula IV: Where R is as defined above; and (B) at least one friction modifier that is different from the one or more compounds (A).

Lubricating oil compositions containing sterically hindered amines as ashless TBN sourcces

Hindered amines useful as ashless TBN sources for lubricating oil compositions that are compatible with fluoroelastomeric engine seal materials, and lubricating oil compositions containing such compounds.

Molybdenum dialkyldithiocarbamate compositions and lubricating compositions containing the same

A novel molybdenum dithiocarbamate composition is produced by preparing a di-tridecylamine (DTDA) intermediate from a butylene feedstock comprising greater than 50% 2-butylene, and preparing a molybdenum dithiocarbamate composition from the DTDA intermediate. The resulting molybdenum dithiocarbamate composition are according to formula (1), wherein R 1 to R 4 are C 11 -C 14 isoalkyl groups, and X represents oxygen and/or sulfur atoms, and R 1 to R 4 comprise, on average, greater than 98% C 13 :

Organic tungsten complexes

This invention relates to an organic tungsten complex prepared by providing a strongly acidic tungsten precursor having pH≦2.5, and either reacting the tungsten precursor with a nitrogenous base to form a tungsten salt intermediate having a pH ranging from ≧5 to ≦8.5, and further reacting the tungsten salt intermediate with a fatty acid derivative of an alcohol, wherein the fatty acid derivative of an alcohol contains at least one free hydroxyl group; or reacting the tungsten precursor with a fatty acid derivative of an alcohol, wherein the fatty acid derivative of an alcohol contains at least one free hydroxyl group and a nitrogenous base. Further, this invention relates to lubricating compositions containing the inventive tungsten complexes.

내연 기관용 윤활유 조성물

본 발명의 내연 기관용 윤활유 조성물은, 윤활유 기유, (A1) TBN이 200mgKOH/g 이상인 염기성 칼슘 살리실레이트, (A2) TBN이 200mgKOH/g 이상인 염기성 나트륨 설포네이트 및/또는 TBN이 50mgKOH/g 이하인 염기성 칼슘 설포네이트, (B) 2핵의 유기 몰리브데넘 화합물 및/또는 3핵의 유기 몰리브데넘 화합물, 및 (C) SSI 30 이하의 폴리알킬(메트)아크릴레이트를 함유하고, 2핵 및 3핵의 유기 몰리브데넘 화합물 유래의 몰리브데넘 함유량 합계가, 조성물 전량에 대해서 0.025질량% 이상이고, 고온 고전단 점도 및 NOACK 증발량(250℃, 1시간)을 소정값으로 한 것이다.

Sliding mechanism and friction reduction method for the same

The purpose of the present invention is to provide: a sliding member having a lubricating film formed on the sliding surface thereof, and capable of exhibiting friction-reducing performance; and a friction reduction method for the same. To that end, the present invention entails coating the sliding surface with a titanium nitride-based material (for example, titanium carbon nitride, titanium nitride, or titanium aluminum nitride), adding a molybdenum dithiocarbamate with molybdenum in the amount of 600-1000 ppm to diesel engine oil, setting the arithmetic mean roughness of the sliding member to 2-10 nm, and upon converting the Sommerfeld number viscosity to Pa·s, the speed to s −1 , and the load to mean Hertzian stress (Pa), then the lubrication conditions for use are within the range of 2.12365×10 −19 to 5.94509×10 −19 .

Lubricating oil composition, and sliding mechanism using lubricating oil composition

Disclosed is a lubricating oil composition for low-friction sliding materials, which is used in a sliding mechanism where a DLC film containing hydrogen in an amount of from 5 atom % to 50 atom % is formed on at least one sliding surface. The lubricating oil composition contains, in the lubricant base oil therein and based on the total amount of the composition, (A) an organic zinc dithiophosphate in an amount of from 0.005% by mass to 0.12% by mass in terms of the phosphorus concentration therein, (B) an amide-based friction-reducing agent in an amount of from 0.05% by mass to 5.0% by mass, and (C) an alkaline earth metal salicylate-based detergent and/or an alkaline earth metal sulfonate-based detergent in an amount of from 0.05% by mass to 0.5% by mass in terms of the alkaline earth metal concentration therein.

표면을 윤활화하는 방법

VDI-표준 VDI 2840에 의해 분류시 a-C:H, ta-C:H, a-C:H:Me 또는 a-C:H:X 유형의 수소 함유 탄소 필름 또는 코팅으로 코팅된 제 1 표면 및 제 2의 철(바람직하게는 강철) 표면 간의 접촉부를 윤활화하는 방법이 기술된다. 상기 방법은, 상기 접촉부에, 주요량의 윤활 점도의 오일 및 (a) 윤활유 조성물에 예를 들면 150 중량ppm 내지 1000 중량ppm의 몰리브덴을 제공하는 양의 오일-가용성 또는 오일-분산성 몰리브덴 화합물, 및 (b) 윤활유 조성물의 중량에 대하여 0.1 내지 5 중량%의 중합체성 유기 마찰 조절제로서, (i) 작용성화된 폴리올레핀, (ⅱ) 폴리에테르, (ⅲ) 폴리올 및 (iv) 모노카복실산 쇄 종결기의 반응 생성물인 유기 마찰 조절제를 포함하는 윤활유 조성물을 공급하는 것을 포함한다.

칼슘 및 마그네슘 함유 세제를 갖는 윤활유, 및 저속 조기 점화 및 내식성을 개선하기 위한 그의 용도

배력식 내연기관을 감소된 저속 조기 점화 이벤트 및 내식성으로 작동시키는 윤활유 조성물 및 방법. 상기 윤활유 조성물은 기유, 1종 이상의 과염기화된 칼슘 설포네이트 세제, 1종 이상의 과염기화된 칼슘 페네이트 세제, 및 1종 이상의 과염기화된 마그네슘 함유 세제를 포함한다. 윤활유 조성물의 TBN에 대한 칼슘의 ppm 비율은 170 미만이고; 중량% 단위의 총 비누 함량에 대한 마그네슘의 ppm 비율은 700을 초과하고; 제한된 양의 붕소 및 몰리브덴이 있으며, 모든 중량 퍼센트 및 ppm 값은 윤활유 조성물의 총 중량을 기준으로 한다. 상기 조성물은 낮은 LSPI 비율을 제공하며 볼 녹 시험을 통과한다.

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Fixed type constant velocity universal joint

A fixed type constant velocity universal joint includes an outer joint member, an inner joint member, a plurality of balls for transmitting torque provided between track grooves of the outer joint member and track grooves of the inner joint member, and a cage for retaining the balls. Grease is enclosed in the fixed type constant velocity universal joint which includes a thickener and a lubricant component which is constituted by base oil. The grease contains 90% by mass or more of paraffinic mineral oil with respect to the total mass of the lubricant component of the grease, and 3 to 8% by mass of the thickener with respect to the total mass of the components of the grease.

Friction modifier composition for lubricants

Combining a metal based friction modifier, such as a molybdenum dialkyldithiocarbamate, and certain esters of hydroxy carboxylic acids, such as short chain alkyl esters of citric or tartaric acid, e.g., tributyl citrate, has a synergistic effect on lowering the friction coefficient of lubricating oils allowing one to reduce the amount of metal based friction modifier needed to adequately formulate a lubricant with low friction characteristics.

Method of manufacturing calcium sulfonate greases using delayed addition of non-aqueous converting agents

A method of manufacturing an overbased calcium sulfonate grease comprising a reduced amount of overbased calcium sulfonate, water and at least one non-aqueous converting agent, where at least a portion of the non-aqueous converting agent is added after one or more delay periods relative to the addition of the water. A delay period may involve the period of time it takes to adjust the temperature of the mixture, a period of time during which the mixture is held at a temperature or within a range of temperatures, and multiples and any combination thereof. These calcium sulfonate greases have improved thickener yield and high dropping points compared to greases of substantially similar composition made without a delay between the additions of water and a non-aqueous converting agent, particularly when a poor quality overbased calcium sulfonate is used.

Lubricating oil compositions

An additive package for an internal combustion engine crankcase lubricating oil composition, which additive package comprises or is made by admixing: (A) 5-99.4 mass % based on the mass of the additive package, of a diluent oil of lubricating viscosity; and (B) the following additives: (B1) 0.1-10 mass % of a polymeric friction modifier, on an active matter basis, based on the mass of the additive package, which polymeric friction modifier is the reaction product of (a) a functionalised polyolefin, (b) a polyether, (c) a polyol, and (d) a monocarboxylic acid chain terminating group (B2) 0.5 to 10 mass % on an active matter basis, based on the mass of the additive package of one or more ashless organic friction modifiers that include a polar terminal group covalently bonded to a monomeric oleophilic hydrocarbon chain.

Engine lubricant composition

The present disclosure concerns engine lubricant compositions including at least one base oil, at least one viscosity index improver polymer and at least one polyalkylene glycol, obtained by polymerization or copolymerization of alkylene oxides comprising from 3 to 8 carbon atoms, including at least one butylene oxide, the quantity of polyalkylene glycol being from 1 to 28% by mass with respect to the total mass of lubricant composition. Using at least one polyalkylene glycol, obtained by polymerization or copolymerization of alkylene oxides including from 3 to 8 carbon atoms, further including at least one butylene oxide in a base oil improves engine cleanliness while not increasing, or indeed while decreasing, the consumption of petrol or diesel fuels by the engine.

Composition and method for preventing or reducing engine knock and pre-ignition in high compression spark ignition engines

A method for preventing or reducing engine knock or pre-ignition in a high compression spark ignition engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition that contains at least one branched hydrocarbon having at least about 25% of the carbons in the form of methyl groups, or at least one polyol ester of at least one branched mono-carboxylic acid. A lubricating engine oil having a composition that contains at least one branched hydrocarbon having at least about 25% of the carbons in the form of methyl groups, or at least one polyol ester of at least one branched mono-carboxylic acid. The lubricating engine oils are useful as passenger vehicle engine oil (PVEO) products.

Lubricating oil composition for internal combustion engine

A lubricating oil composition for an internal combustion engine according to the present invention contains a lubricating base oil, (A1) a basic calcium salicylate having a TBN of 200 mgKOH/g or more, (A2) a basic sodium sulfonate having a TBN of 200 mgKOH/g or more and/or a basic calcium sulfonate having a TBN of 50 mgKOH/g or less, (B) a binuclear organic molybdenum compound and/or a trinuclear organic molybdenum compound, and (C) a polyalkyl (meth)acrylate having an SSI of 30 or less, a total content of molybdenum derived from the binuclear and trinuclear organic molybdenum compounds being 0.025 mass % or more relative to the whole amount of the composition and the lubricating oil composition having predetermined values of a high-temperature high-shear viscosity and a NOACK value (250° C., 1 hr).

System lubricating oil composition for crosshead diesel engine

The disclosure provides (i) a lubricating oil composition including a base oil (A) with a kinematic viscosity at 100° C. of 8.2-12.6 mm 2 /s and a saturated hydrocarbon content of 90% by mass or more, a metallic detergent (B) and a zinc dithiophosphate (C), wherein a content of the metallic detergent (B) is 2.5 mmol or more as a soap content concentration per 100 g of the composition, a phosphorous content is 200-1000 mass ppm, and a base number is 7.5 mg KOH/g or more, and (ii) a lubricating oil composition including the base oil (A), the metallic detergent (B), the zinc dithiophosphate (C) and an amine-based antioxidant (E), wherein a content of the amine-based antioxidant (E) is 0.3% by mass or more in terms of total content of the composition, a base number is 6.5 mg KOH/g or more, and a phosphorous content is 200-1000 mass ppm.

Ultra low phosphorus lubricant compositions

A low-phosphorus lubricating composition having less than 600 ppm phosphorus, comprising at least 85 weight % of a lubricating base blend, and an additive comprising the following, as weight % of the total composition: (1) an organomolybdenum component comprising: (a) an organomolybdenum complex, and (b) a molybdenum dithiocarbamate, the organomolybdenum component being present at an amount which provides about 400-800 ppm Mo; (2) (iso-octyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate), at about 0.25-1.5%; (3) a dithiocarbamate component comprising (a) methylene-bis-dialkyldithiocarbamate and (b) said molybdenum dithiocarbamate, at a total dithiocarbamate component of about 0.6-1.2%; and (4) an alkylated diphenyl amine, at about 0.5-1.5%.

Method for improving engine fuel efficiency

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 oil a formulated oil. The formulated oil has a composition including from 75 to 95 wt % of lubricating oil base stock including a Group I base stock or a combination of a Group III, Group IV and Group V base stock including from 30 to 35 wt % Group III, 45 to 55 wt % Group IV and 0 to 5 wt % Group V and a friction modifier mixture comprising a polymeric ethoxylated fatty acid ester at from 0.1 to 1.0 wt. % and a mixed glyceride ester at from 0.1 to 1.0 wt. % of the formulated oil. The lubricating engine oils are useful in internal combustion engines including direct injection, gasoline and diesel engines.

Lubricating oil composition for internal combustion engines of passenger and commercial four-wheeled vehicles

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.

Additive for lubricant compositions comprising a sulfur-containing and a sulfur-free organomolybdenum compound, and a triazole or a derivatized triazole

A lubricating composition for use in heavy duty diesel engines which is formulated to allow the use of organomolybdenum compounds but which overcomes the issue of Cu and/or Pb corrosion. The lubricant is characterized by having a synergistic additive composition comprising (A) a sulfur-free organo-molybdenum compound, (B) a sulfur-containing organo-molybdenum compound and (C) a triazole derivative prepared by reacting 1,2,4-triazole, a formaldehyde source and an amine; (A), (B) and (C) being present in an amount sufficient to allow the lubricating composition to pass the High Temperature Corrosion Bench Test ASTM D 6594 with respect to Cu and/or Pb corrosion.

Composition containing ester compounds and a method of lubricating an internal combustion engine

The invention provides a lubricating composition containing a β-amino compound. The invention further relates to a method of lubricating an internal combustion engine by lubricating the engine with the lubricating composition. The invention further relates to the use of the β-amino carbonyl compound as copper corrosion inhibitors, friction control agents, antiwear and/or extreme pressure agents.

Polyfunctional lubricant composition

The present invention relates to a multifunctional lubricant composition which serves as a base oil for lubrication or as an additive for lubrication, including, with respect to 100 parts by mass of phosphorus compound (A) having a specific structure specified in the Description, 26 parts by mass to 43 parts by mass of phosphorus compound (B) having a specific structure specified in the Description, 0 parts by mass to 1.3 parts by mass of phosphorus compound (C) having a specific structure specified in the Description, and a total of 0 parts by mass to 1.3 parts by mass of triphenyl phosphate and tricresyl phosphate.

Lubricating grease composition

A lubricating grease composition for extra heavy duty extreme pressure applications comprises a major amount of a synthetic base oil a lithium complex thickener, at least one extreme pressure agent; and at least 5 wt. % of molybdenum disulfide, based on a total weight of the lubricating grease composition.

Lubricant composition based on polyglycerol ether

A lubricant composition includes at least one branched polyglycerol ether, and more particularly at least one branched polyglycerol ether and at least one dispersant. A method for reducing fuel consumption of a vehicle utilizing a lubricant composition is also provided. Furthermore, a use of a branched polyglycerol ether as a friction modifier in a lubricant composition is disclosed.