Abstract: A lubricant composition comprising an oil of lubricating viscosity and an N-hydrocarbyl-substituted ?-aminoester or ?-aminothioester provides exhibits basicity and good seal performance. In certain embodiments the N-hydrocarbyl substituent comprises a hydrocarbyl group of at least 3 carbons atoms, with a branch at the 1 or 2 position of the hydrocarbyl chain.

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

Abstract: A lubricant composition comprising an oil of lubricating viscosity and an N-hydrocarbyl-substituted aminoester, wherein the N-hydrocarbyl substituent comprises a hydrocarbyl group of at least 3 carbons atoms, with a branch at the 1 or 2 position of the hydrocarbyl chain, provides good iron and copper corrosion performance in driveline or gear applications.

Abstract: A lubricating composition suited to use in a marine diesel engine includes an oil of lubricating viscosity and an amino carboxylate compound of formula (I): NR1R2—((CHR3)xNR4)n—(CHR5)2—COY, where R1 and R2 are independently selected from —(CHR6)2—COY?, H, and C1C3 alkyl and wherein at least one of R1 and R2 is —(CHR6)2—COY?; or wherein NR1R2 is a cyclic structure; Y and Y? are independently selected from —OR4, NHR7, and —N(R7)2; each R7 is independently selected from C6-C12 alkyl and C6-C12 alkenyl; R3, R5 and R6 are independently selected from H and C1-C4 alkyl; R4 is selected from H, C1-C4 alkyl, and (CHR3)xNH2; x is from 2 to 4; and n is at least 1, except where NR1R2 is a cyclic structure, where n is at least 0.

Abstract: The invention provides a lubricant composition comprising an oil of lubricating viscosity and 0.01 wt % to 15 wt % of a (thio)phosphoric acid salt of an N-hydrocarbyl-substituted gamma- (?-) or delta-amino(thio)ester. The invention further relates to a method of lubricating a mechanical device with the lubricant composition.

Abstract: A lubricating composition includes an oil of lubricating viscosity and an N-substituted hydroxyaromatic succinimide or a salt thereof.

Abstract: A lubricant composition comprising an oil of lubricating viscosity and an N-hydrocarbyl-substituted ?-aminoester or ?-aminothioester, wherein the N-hydrocarbyl substituent comprises a hydrocarbyl group of at least 3 carbons atoms, with a branch at the 1 or 2 position of the hydrocarbyl chain, provides exhibits basicity and good seal performance.

Abstract: A lubricant composition comprising an oil of lubricating viscosity and an N-hydrocarbyl-substituted aminoester, wherein the N-hydrocarbyl substituent comprises a hydrocarbyl group of at least 3 carbons atoms, with a branch at the 1 or 2 position of the hydrocarbyl chain, provides good iron and copper corrosion performance in driveline or gear applications.

Abstract: The invention provides a lubricant composition comprising an oil of lubricating viscosity and 0.01 wt % to 15 wt % of a (thio)phosphoric acid salt of an N-hydrocarbyl-substituted gamma-(?-) or delta-amino(thio)ester. The invention further relates to a method of lubricating a mechanical device with the lubricant composition.

Abstract: The invention provides a lubricant composition comprising an oil of lubricating viscosity and 0.01 wt % to 15 wt % of a protic acid salt of an N-hydrocarbyl-substituted gamma- (?-) or delta- (?-)amino(thio)ester. The invention further relates to a method of lubricating a mechanical device with the lubricant composition.

Abstract: A lubricant composition comprising an oil of lubricating viscosity and an N-hydrocarbyl-substituted ?-aminoester or ?-aminothioester provides exhibits basicity and good seal performance. In certain embodiments the N-hydrocarbyl substituent comprises a hydrocarbyl group of at least 3 carbons atoms, with a branch at the 1 or 2 position of the hydrocarbyl chain.

Abstract: The present invention provides a multipurpose overbased metal salt of the reaction product of a hydrocarbyl substituted amine with an itaconate, such as an N-substituted 4-carboxypyrrolidin-2-one, and methods of employing the same in lubricating compositions. Overbasing the N-substituted 4-carboxypyrrolidin-2-one can provide improved friction modifying performance to the compound as well as impart multi-functionality to the compound, i.e., the compound may function as a friction modifier as well as, for example, a detergent, anti-wear or extreme pressure agent and dispersant in lubricating compositions. The lubricating compositions containing the overbased N-substituted 4-carboxypyrrolidin-2-one are preferably intended to be employed in a method for lubricating a mechanical device, such as an automatic or manual transmission. However, it is envisioned that the compound can be employed in engine oil lubricants and any other type of functional fluid.

Abstract: The present invention provides a compound comprising the reaction product of a hydrcarbyl substituted amine with an itaconate, such as an N-substituted 4-carboxypyrrolidin-2-one, and methods of employing the same in lubricating compositions. The lubricating compositions containing the N-substituted 4-carboxypyrrolidin-2-one are preferably intended to be employed in a method for lubricating a mechanical device, such as an automatic or manual transmission. However, it is envisioned that the compound can be employed in engine oil lubricants and any other type of functional fluid.

Abstract: The present invention provides a compound comprising the reaction product of a hydrcarbyl substituted amine with an itaconate, such as an N-substituted 4-carboxypyrrolidin-2-one, and methods of employing the same in lubricating compositions. The lubricating compositions containing the N-substituted 4-carboxypyrrolidin-2-one are preferably intended to be employed in a method for lubricating a mechanical device, such as an automatic or manual transmission. However, it is envisioned that the compound can be employed in engine oil lubricants and any other type of functional fluid.

Abstract: This invention relates to a method of lubricating an internal combustion engine comprising at least one of a crankcase, a gear and a wet-clutch, said method comprising supplying to said crankcase, gear, and wet-clutch a lubricating composition containing: (a) an oil of lubricating viscosity; and (b) a friction modifying additive which is the reaction product of a hydrocarbyl-substituted succinic anhydride and an acid functionalized amine compound.

Abstract: This invention relates to a method of lubricating an internal combustion engine comprising at least one of a crankcase, a gear and a wet-clutch, said method comprising supplying to said crankcase, gear, and wet-clutch a lubricating composition containing: (a) an oil of lubricating viscosity; and (b) a friction modifying additive which is the reaction product of a hydrocarbyl-substituted succinic anhydride and an acid-functionalized amine compound.

Abstract: A lubricant composition comprising an oil of lubricating viscosity and an N-hydrocarbyl-substituted ?-aminoester or ?-aminothioester, wherein the N-hydrocarbyl substituent comprises a hydrocarbyl group of at least 3 carbons atoms, with a branch at the 1 or 2 position of the hydrocarbyl chain, provides exhibits basicity and good seal performance.

Abstract: A composition is provided for use as a friction modifier for an automatic transmission, which comprises a condensation product of a hydroxypolycarbox-ylic acid, such as 2,3-di-hydroxybutanedioic acid or 2-hydroxybutanedioic acid, with an N,N-di(hydrocarbyl)alkylenediamine, where each hydrocarbyl group contains 1 to 22 carbon atoms, provided that the total number of carbon atoms in the two hydrocarbyl groups is at least about 9, and the alkylene group contains 2 to 4 carbon atoms.

Abstract: An object of the present invention is to provide an oil soluble compound and a lubricating composition and method of using the same in a differential. The compound can be of formula R?N((CH2)2CONHR?)2, wherein R? can be H or a C8-28 hydrocarbyl group wherein up to 4 carbon atoms in the hydrocarbyl group may optionally be replaced by nitrogen or oxygen atoms, and R? can be H or a C8-28 hydrocarbyl group. The invention further provides a method of producing an oil soluble compound suitable for limited slip performance. The method comprises preparing a Michael adduct from an acrylate and an alkylamine of formula R?NH2, followed by subjecting the Michael adduct to an amidation reaction with a further alkylamine of formula R?NH2.

Abstract: The present invention relates to a lubricating composition, particularly marine diesel engine lubricating compositions, comprising: (a) an oil of lubricating viscosity; (b) an asphaltene dispersant comprising an amide group, which may also contain a succinimide group, and which may optionally be used in combination with additional asphaltene dispersants that contain a cyclic headgroup that contains a nitrogen atoms where the additional asphaltene dispersants may also include a succinimide group; and (c) a detergent derived from an alkyl phenol. The invention further provides methods of using such compositions in the operation of engine, particularly marine diesel engines.