Abstract: A natural gas engine lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity, (b) one or more phosphorus-containing anti-wear additives, (c) one or more oil soluble overbased alkaline earth metal-containing detergents; and (d) one or more oil soluble neutral alkali metal-containing detergents, wherein the natural gas engine lubricating oil composition contains no more than about 0.03 weight percent of phosphorus, based on the total weight of the natural gas engine lubricating oil composition.

Abstract: A lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) one or more non-halogen-containing oil-soluble titanium complexes comprising at least one ligand comprising an anion of a carboxylic acid; (c) one or more dispersants; and (d) one or more detergents, wherein the lubricating oil composition is free of any zinc dialkyldithiophosphate.

Abstract: 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, 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: wherein R is as defined above; and (B) at least one friction modifier that is different from the one or m

Abstract: 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: wherein R is a linear or branched, saturated, unsaturated, or partially saturated hydrocarbyl group having about 8 to about 22 carbon atoms; and (b) one or more compounds of the Formulae II-III: wherein R is as defined above and R2 and R3 are independently selected from hydrogen, C1-C18hydrocarbyl groups, and C1-C18hydrocarbyl groups containing one or more heteroatoms; and wherein R is as defined above; 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 dispersant.

Abstract: The invention is directed to an embodiment of the present invention is directed to an oil soluble additive composition prepared by a process comprising: reacting, (a) a molybdenum component; (b) an imide derived from the reaction product of a hydrocarbyl dicarboxylic acid component and a polyamine wherein said reaction product is prepared by first charging a polyamine to a reaction vessel and then charging a hydrocarbyl dicarboxylic acid component to the reaction vessel, wherein the charge mole ratio of the hydrocarbyl dicarboxylic acid component to the polyamine is from about 1:1 to about 1:0.5; and (c) a post-treating agent, thereby producing a post-treated moblydated succinimide additive composition.

Abstract: A fuel economical lubricating oil composition for internal combustion engines comprises a base oil and an additive composition comprising an overbased metal-containing detergent and a molybdenum-containing friction modifier, in which the overbased metal-containing detergent comprises calcium salicylate having an alkyl group having an average carbon atom number of 14-18, at least 60 mol. % of the alkyl group having a carbon atom number of 14-18, and calcium sulfonate having an alkyl group having an average carbon atom number of 20-24, at least 60 mol. % of the alkyl group having a carbon atom number of 20-24, and/or calcium salicylate having an alkyl group having an average carbon atom number of 20-28, at least 60 mol. % of the alkyl group having a carbon atom number of 20-28.

Abstract: An engine fueled by natural gas may be lubricated by providing thereto a lubricant composition of an oil of lubricating viscosity, an overbased monovalent metal detergent in an amount to provide at least about 0.01 weight percent monovalent metal to the lubricant composition, wherein the monovalent metal comprises about 10 to about 30 percent by weight of the total metal content of the lubricant composition, an overbased divalent metal detergent, in an amount to provide at least about 0.005 percent by weight of the divalent metal to the lubricant composition, a dispersant, and a metal salt of a phosphorus acid. The lubricant composition has a sulfated ash of less than about 0.8 percent.

Abstract: Provided are formulations, methods of making, and methods of using one or more Fischer-Tropsch Base Oils of the present invention in a low sulfur, low sulfated ash, and low phosphorus engine lubricant to enhance thermal stability of the lubricant as well as the high-temperature performance of an engine housing the lubricant.

Abstract: Provided herein are copolymers of a polyaminopolymer and polyanhydride, wherein the polyaminopolymer comprises a polyaminopolyolefin; and methods of their preparation.

Abstract: A polyalkenyl succinic anhydride is prepared with low amounts of resinous or chlorinated byproducts in a two-step process whereby a polyalkene is first reacted with an unsaturated organic acid in a thermal ene reaction, followed with exposure to a gaseous halogen in presence of an additional amount of the unsaturated organic acidic reagent. The foregoing process produces a polyisobutenyl succinic anhydride having a high ratio of succinic anhydride functional groups to polyisobutenyl backbone groups. Such a polyisobutenyl succinic anhydride is particular suitable for the production of oil-soluble hydrocarbyl succinimides that have good dispersant properties when added to lubricating oil compositions.

Abstract: A lubricant composition comprising an oil of lubricating viscosity, 0.1 to 2 percent by weight of a Mannich dispersant, and 0.1 to 2 percent by weight of a succinimide dispersant, wherein the succinimide dispersant provides at least about 40 parts per million by weight of nitrogen atoms to the lubricant composition, provides cleanliness to a two-stroke cycle engine.

Abstract: The invention provides a lubricating composition containing a lubricating composition comprising an oil of lubricating viscosity and a polyester. The invention further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition. The invention further relates to the use of the polyester as a dispersant.

Abstract: A composition useful as a lubricant for an automatic transmission comprises an oil of lubricating viscosity and a condensation product of an aromatic polycarboxylic acid or mixtures thereof or a reactive equivalent thereof, having at least two carboxylic groups situated so as to permit formation of a cyclic imide having 5 or 6 atoms in said cyclic structure; with an aliphatic primary amine or alcohol, containing 6 to 60 carbon atoms.

Abstract: The present invention provides a composition and a concentrate, comprising: (a) a major amount of an oil of lubricating viscosity, (b) a quaternary ammonium salt of a hydrocarbyl-substituted acylating agent condensation product, and (c) an optional amount of a succinimide dispersant different from (b), and a use of the composition or concentrate for lubricating an engine. In a further embodiment, the invention provides the use of a quaternary ammonium salt of a hydrocarbyl-substituted acylating agent condensation product as a dispersant in a lubricating composition, and as a synergistic dispersant combination with a different succinimide dispersant.

Abstract: The present invention relates to functional fluid compositions containing friction modifiers, and specifically stable compositions containing friction modifiers with limited solubility in and/or limited compatibility with the functional fluids with which they are used. In particular the present invention deals with functional fluids used in internal combustion engines, such as engine oils, and phosphorus-containing friction modifiers, where the friction modifier is present in the functional fluid composition at levels that would otherwise cause the composition to be unstable and/or hazy.

Abstract: The present invention provides a grease composition containing at least one lubricating base oil selected from a mineral oil and a synthetic oil, and 1 to 40% by mass of a thickener and 0.5 to 15% by mass of an alkenyl succinimide based on the total amount of the grease composition, the grease composition being used for a lubricating part in which at least one of members is made of a non-ferrous metal. According to the grease composition of the present invention, galling (seizure) and wear can be sufficiently suppressed and sliding properties can be achieved at a high level even in the case where sliding is performed under extreme pressure conditions where a sliding part having a non-ferrous metal is subjected to a high load.

Abstract: The invention provides a lubricating composition containing an oil of lubricating viscosity and an ashless thiocarbamate compound having an optionally-substituted hydrocarbyl group on an S-atom and an optionally-substituted hydrocarbyl group on an N-atom. The invention further relates to a method of the lubricating an internal combustion engine with the lubricating composition.

Abstract: The present invention relates to a lubricating composition containing: an oil of lubricating viscosity, a non-borated dispersant, a detergent, and an antiwear package comprising (a) a derivative of a hydroxycarboxylic acid, (b) an amine salt of a phosphoric acid ester, and (c) a phosphite having at least one hydrocarbyl group with 4 or more carbon atoms. The invention further provides for a method of lubricating a driveline device application by employing a lubricating composition containing the antiwear package.

Abstract: The invention is directed to an oil soluble additive composition prepared by a process comprising reacting a molybdenum component; an imide derived from the reaction product of a hydrocarbyl dicarboxylic acid component and a polyamine component wherein the hydrocarbyl dicarboxylic acid component is the reaction product of a dicarboxylic acid component and a hydrocarbyl component; and a post-treating agent, thereby producing a post-treated molybdated succinimide additive composition.

Abstract: The present disclosure relates to a compound of the formula I or a tribologically acceptable salt, solvate, hydrate, or proadditive thereof, wherein R1, R2 and R4 are as defined herein. Such novel pyrrolidine, or succinimide, derivatives may be useful as friction modifiers in lubricant compositions. This disclosure also relates to a method of using such friction modifier compounds in lubricating fluid formulations to lubricate machine parts, including gear, axle, engine, and transmission parts, and to lubricant compositions containing such friction modifier compounds.

Abstract: The present disclosure relates to a compound of the formula I or a tribologically acceptable salt, solvate, hydrate, or proadditive thereof, wherein R1, R2 and R4 are as defined herein. Such novel pyrrolidine, or succinimide, derivatives may be useful as friction modifiers in lubricant compositions. This disclosure also relates to a method of using such friction modifier compounds in lubricating fluid formulations to lubricate machine parts, including gear, axle, engine, and transmission parts, and to lubricant compositions containing such friction modifier compounds.

Abstract: The disclosed invention relates to lubricant compositions containing viscosity index improvers in the form of polymers comprising structural units derived from ethylene, propylene and butylenes.

Abstract: The present disclosure relates to a non-acidic, sulfur-containing, phosphorus-containing compound of the formula I where R1, R2, R3, R4, R5, R6, and R7 are as defined herein. Such a compound may exhibit improved antiwear performance and thermal stability in lubricating compositions.

Abstract: A low-sulfur, low-phosphorus composition comprising an oil of lubricating viscosity; a substantially nitrogen-free sufurized olefin antiwear agent; a nitrogen-containing dispersant; and an overbased detergent selected from the group consisting of salixarates, saligenins, salicylates, and glyoxylates; containing less than about 0.1 percent by weight phosphorus, less than about 0.5 percent by weight sulfur, and having less than about 1.2% sulfated ash, is useful for lubricating a diesel engine, exhibiting good antiwear performance.

Abstract: A lubricating oil composition used in an internal combustion engine contains lubricating base oil; a disulfide compound as a component (A), a no-boron-containing ashless dispersant as a component (B), and a boron-containing ashless dispersant as a component (C). The disulfide compound as the component (A) is represented by the following formula (1) and/or the following formula (2). The no-boron-containing ashless dispersant as the component (B) has in its side chain: an alkyl group having a number average molecular weight of 500 to 3,000; or an alkenyl group having a number average molecular weight of 500 to 3,000. The boron-containing ashless dispersant as the component (C) has in its side chain: an alkyl group having a number average molecular weight of 500 to 4,000; or an alkenyl group having a number average molecular weight of 500 to 4,000.

Abstract: The invention provides an oil of lubricating viscosity, a dispersant and an amine-functionalised additive, wherein the amine-functionalised additive is derived from an amine having at least 3 or 4 aromatic groups. The invention further relates to the use of the lubricating composition in an internal combustion engine.

Abstract: An additive formulation suitable for antistatic modification and improving the electrical conductivity of inanimate organic material, consisting essentially of (A) from 1 to 50% by weight of an olefin-sulfur dioxide copolymer, (B) from 1 to 50% by weight of a compound which comprises one or more basic nitrogen atoms and has at least one relatively long-chain linear or branched hydrocarbon radical having at least four carbon atoms or an equivalent structural element which ensures the solubility of component (B) in the inanimate organic material, (C) from 0.1 to 30% by weight of an oil-soluble acid and (D) from 1 to 80% by weight of a high-boiling organic solvent which consists of one or more molecule types, where at least 80% by weight of these molecule types have a boiling point of more than 150° C. at standard pressure, where the sum of all components adds up to 100% by weight.

Abstract: Disclosed is a transmission oil composition for use in a push belt continuously variable transmission (CVT). The push belt CVT oil composition includes a hydrogenated base oil or a synthetic base oil admixed with a viscosity control agent, a dispersing agent, a friction control agent and other additives at specific ratios and provides improved friction characteristics, durability, thermal stability, oxidation stability and transmission performance. It can be used at various temperature ranges and can provide improved transmission efficiency (fuel efficiency).

Abstract: The present invention relates to the use of an additive composition that contains the combination of two specific types of antioxidants with one or more of four specific types of dispersants in a Group II and/or Group III base oil-containing lubricating composition. The lubricating composition of the present invention provides improved cleanliness in steam and gas turbine systems. The invention further relates to the process to make the novel additive composition and its use in industrial fluids.

Abstract: The disclosed technology relates to a dispersant composition comprising the reaction product of a polyolefin acylating agent and an amine terminated or hydroxyl terminated polyether. In addition, the technology relates to lubricating compositions containing the dispersant composition and an optional synergistic amount of another dispersant, as well as methods of employing the dispersant composition in an engine and engine oils.

Abstract: There is provided an automatic transmission fluid composition comprising a major amount of a base oil; one or more friction modifiers, wherein total nitrogen content provided by the one or more friction modifiers is greater than or equal to about 300 ppm; and one or more ashless dispersants, wherein the total nitrogen content provided by the one or more ashless dispersants is greater than or equal to about 500 ppm. The automatic transmission fluid may have a kinematic viscosity at 100° C. of from about 4 cSt to about 6.5 cSt and a Brookfield viscosity at ?40 ° C. of from about 4,000 cP to about 20,000 cP.

Abstract: A lubricating oil additive composition comprising a first carboxylate detergent having a TBN of the actives of greater than about 200 to about 400; a second carboxylate detergent having a TBN of the actives of greater than about 60 to about 200; and at least one polyalkenyl succinimide

Abstract: A lubricating oil additive composition comprising at least one carboxylate detergent wherein at least one of the carboxylate detergents has a TBN of the actives of greater than about 60 to about 200; at least one polyalkenyl succinimide; a first phenate detergent having a TBN of the actives of greater than about 60 to about 200; and a second phenate detergent having a TBN of the actives of greater than about 200 to about 400.

Abstract: Disclosed herein is a trunk piston engine lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity; (b) one or more carboxylate-containing detergents comprising a salt of an alkyl-substituted hydroxyaromatic carboxylic acid, wherein at least about 50% of the alkyl moiety of the alkyl-substituted hydroxyaromatic carboxylic acid comprises C26+ alkyl groups derived from one or more normal alpha olefins; and (c) one or more zinc dithiophosphates in an amount of about 0.02 to about 0.12 wt. % in terms of phosphorus content.

Abstract: The present disclosure relates to a non-acidic, sulfur-containing, phosphorus-containing compound of the formula I where R1, R2, R3, R4, R5, R6, and R7 are as defined herein. Such a compound may exhibit improved antiwear performance and thermal stability in lubricating compositions.

Abstract: A crankcase lubricating oil composition for an internal combustion engine comprising (A) an oil of lubricating viscosity in a major amount; and, (B) as an additive component in a minor amount one or more, oil-soluble imides derived from a hydrogenated Diels-Alder adduct of a maleic anhydride and a furan, where the imide group has the formula >NR, where R is an aliphatic hydrocarbyl group having 4 to 8 carbon atoms.

Abstract: A lubricant oil composition containing an organic molybdenum compound which contains at least either one of a nitrogen (N) atom and an oxygen (O) atom in the molecule thereof and which may optionally contain a sulfur (S) atom, wherein a sulfur content of the organic molybdenum compound is 0.5% by mass or less based on the organic molybdenum compound. The lubricant oil composition, when used as a lubricant oil for a low-friction sliding material, exhibits an extremely low friction coefficient. A sliding mechanism having excellent low-friction property and wear resistance can be provided by combining the lubricant oil composition and a sliding member having a DLC film on its sliding face.

Abstract: A lubricating oil composition and methods of operating an internal combustion engine to provide improved engine operation. The lubricating composition includes a major amount of oil of lubricating viscosity; and a minor amount of at least one highly grafted, multi-functional olefin copolymer made by reacting an acylating agent with an olefin copolymer having a number average molecular weight greater than about 10,000 up to about 50,000 in the presence of a free radical initiator to provide an acylated olefin copolymer having a degree of grafting (DOG) of the acylating agent on the olefin copolymer of from above about 1.5 to about 3.0 wt. %. The acylated olefin copolymer is then reacted with an amine to provide the highly grafted, multi-functional olefin copolymer.

Abstract: A lubricating oil composition and methods of operating an internal combustion engine to provide improved engine operation. The lubricating composition includes a major amount of oil of lubricating viscosity and a minor amount of at least one olefin copolymer having a number average molecular weight greater than about 10,000 up to about 300,000. The olefin copolymer is grafted with (A) a vinyl-substituted aromatic compound, and (B) a compound selected from the group consisting of a C5-C30 olefin, a polyalkylene compound, and mixtures thereof. A mole ratio of A/B in the reaction mixture ranges from about 0.25:1 to about 5:1. The lubricating composition optionally includes a minor amount of at least one non-grafted olefin copolymer, styrene-isoprene copolymer, methacrylate copolymer, or styrene butadiene copolymer have number average molecular weight greater than about 50,000 up to about 300,000.

Abstract: A lubricating oil composition which has a sulfur content of 0.5 wt. % or less and which at least comprises a base oil and the following additive components a) to e): a) an ashless dispersant comprising an alkenyl- or alkyl-succinimide or a derivative thereof; b) an ashless dispersant comprising an alkenyl- or alkyl-succinic ester or a derivative thereof; c) a molybdenum complex of a basic nitrogen-containing compound; d) an alkaline earth metal-containing detergent having TBN of 10-400 mg·KOH/g; and e) an anti-wear agent favorably employed for lubricating internal combustion engines operated using a low sulfur hydrocarbon fuel.

Abstract: A lubricant composition, a multi-vehicle transmission fluid, and a method for making a transmission fluid. The lubricant composition includes a) a base oil; b) 2,5-dimercapto-1,3,4-thiadiazole (DMTD), a derivative of DMTD, or mixtures thereof; and c) a friction modifier. The friction modifier is made by reacting an olefin containing at least 40% by weight C10-C36 vinylidene olefin with maleic acid, anhydride, or ester to provide a first reaction product, and aminating the first reaction product with an effective amount of a compound containing basic nitrogen to provide the friction modifier. The C10-C36 vinylidene olefin is represented by the following formula: wherein Rc and Rd are independently a (C3-C15) alkyl, cycloalkyl or cycloalkenyl.

Abstract: A trunk piston engine lubricating oil composition is disclosed. The trunk piston engine lubricating oil composition includes at least (a) a major amount of a basestock selected from the group consisting of at least one Group III basestock, at least one Group IV basestock and mixtures thereof; (b) at least one detergent additive; and (c) at least one dispersant additive; wherein the concentration of the at least one dispersant additive in the trunk piston engine lubricating oil composition is at least about 0.1 wt. % on an actives basis, based on the total weight of the lubricating oil composition.

Abstract: The present invention relates to functional fluid compositions containing friction modifiers, and specifically stable compositions containing friction modifiers with limited solubility in and/or limited compatibility with the functional fluids with which they are used. In particular the present invention deals with functional fluids used in internal combustion engines, such as engine oils, and friction modifiers derived from hydroxy-carboxylic acids, where the friction modifier is present in the functional fluid composition at levels that would otherwise cause the composition to be unstable and/or hazy.

Abstract: A lubricant oil composition which is excellent in deposition resistance, corrosion resistance and wear resistance, despite its low phosphorus content and low sulfuric acid ash content, is provided by using a succinimide compound in combination with at least one selected from specific sulfur-containing compounds, specific heterocyclic compounds and reaction products thereof.

Abstract: A lubricating oil composition for a continuously variable transmission contains at a specific content: (A) a mineral oil or PAO having a sulfur content of 0.03 mass % or less and a kinematic viscosity at 100 degrees C. from 1.5 mm2/s to 3 mm2/s; (B) a mineral oil or PAO having a sulfur content of 0.03 mass % or less and a kinematic viscosity at 100 degrees C. from 5.5 mm2/s to 8 mm2/s; (C) PAO having a kinematic viscosity at 100 degrees C. from 30 mm2/s to 400 mm2/s; and (D) a polymethacrylate having a mass average molecular weight of 10000 to 40000, in which the total content of the components (C) and (D) is 19 mass % or more and the lubricating oil composition has a kinematic viscosity at 100 degrees C. from 5.5 mm2/s to 6.5 mm2/s and a kinematic viscosity at ?20 degrees C. of 680 mm2/s or less.

Abstract: A lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; and (b) one or more non-halogen-containing oil-soluble titanium complexes comprising at least one ligand selected from the group consisting of (i) an anion of an ?-, ?- or ?-hydroxycarbonyl compound; (ii) an anion of an ?-, ?- or ?-hydroxycarboxylic acid, amide or ester; (iii) an anion of an ?-, ?- or ?-aminocarboxylic acid; and (iv) an anion of an ?-, ?- or ?-keto acid.

Abstract: A composition of the reaction product of (a) an polyisobutylene substituted succinimide dispersant; (b) an amine component comprising at least one aromatic amine containing at least one N—H group capable of condensing with said carboxylic acid functionality; and (c) an aldehyde; which may optionally be reacted with (d) a maleinated copolymer, is a useful dispersant viscosity modifier.

Abstract: The lubricating oil composition of the invention includes a base oil composed of mineral oil and/or synthetic oil, an amine antioxidant (A-1) in an amount of 800 ppm or more as reduced to the total amount of nitrogen, and a compound containing phosphorus and/or sulfur (A-2). The invention provides a compressor oil which realizes thermal/oxidation stability, resistance to sludge formation, lubricity, long service life, and water separation at high levels.

Abstract: The invention provides a lubricating composition containing (a) 0.001 wt % to 15 wt % of a polymer with radial or star architecture; (b) an overbased detergent; (c) a dispersant; and (d) an oil of lubricating viscosity. The invention further provides a method for lubricating a mechanical device with the lubricating composition.

Abstract: A lubricating oil composition for internal combustion engines, containing a base oil, (A) at least one compound selected from disulfide compounds represented by the following general formula (I): R1OOC-A1-S—S-A2-COOR2??(I) and disulfide compounds represented by the following general formula (II): R7OOC—CR9R10—CR11(COOR8)—S—S—CR16(COOR13)—CR14R15—COOR12??(II), (B) an organomolybdenum compound, and (C) a phenol-based antioxidant and/or an amine-based antioxidant. The lubricating oil composition is a low ash, low phosphorus lubricating oil composition which is used for internal combustion engines such as gasoline engines, diesel engines and gas engines, which has improved oxidation stability and friction reducing effect, and which complies with environmental regulations.