Friction modifiers for use in lubricating oil compositions
AssigneeAfton Chemical Corporation
InventorsJeremy P. Styer, John T. Loper
Life of this patent
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Abstract
A lubricating oil comprising a major amount of base oil and a minor amount of an additive package comprising a friction modifier component selected from: (A) one or more friction modifiers of the formulae I and II: (B) two or more friction modifiers independently selected from the formulae III and IV: and (C) at least one friction modifier of the formulae III and IV in combination with at least one friction modifier of the formulae I and II, and R, R1, R2, R3, X and n are as defined in the specification.
Claims31
A lubricating oil comprising a major amount of base oil and a minor amount of an additive package, wherein the additive package comprises one or more friction modifier components selected from:
- (A) one or more compounds of the formulae I and II:
- wherein R is a linear or branched, saturated, unsaturated, or partially saturated hydrocarbyl group having about 8 to about 22 carbon atoms and R1 is a hydrocarbyl having from about 1 to about 8 carbon atoms or a C1-C8 hydrocarbyl group containing one or more heteroatoms;
- wherein R is a linear or branched, saturated, unsaturated, or partially saturated hydrocarbyl group having about 8 to about 22 carbon atoms and R2 and R3 are independently selected from hydrogen, C1-C18 hydrocarbyl groups, and C1-C18 hydrocarbyl groups containing one or more heteroatoms;
- (B) two or more compounds independently selected from the formulae III and IV:
- wherein R is a linear or branched, saturated, unsaturated, or partially saturated hydrocarbyl group having about 8 to about 22 carbon atoms;
- and X is an alkali metal, alkaline earth metal, or ammonium cation and n is the valence of cation X;
- wherein R is a linear or branched, saturated, unsaturated, or partially saturated hydrocarbyl group having about 8 to about 22 carbon atoms;
- and
- (C) at least one compound of the formulae III and IV in combination with at least one compound of the formulae I and II.
A lubricating oil comprising a major amount of base oil and a minor amount of an additive package, wherein the additive package comprises one or more amide reaction products of:
- one or more compounds 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
- one or more amines of the formula V:
- wherein R2, R3, and R4 are independently selected from hydrogen, C1-C18 hydrocarbyl groups, and hydrocarbons containing C1-C18 hydrocarbyl groups and one or more heteroatoms.
A lubricating oil comprising a major amount of a base oil and a minor amount of an additive package, wherein the additive package comprises one or more a reaction products of one or more alcohols with one or more compounds 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.
An engine oil composition comprising a major amount of a base oil and a minor amount of an additive package, wherein the additive package comprises one or more salt reaction products of:
- one or more compounds 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
- one or more of an alkali metal hydroxide, and alkaline earth metal hydroxide, an alkali metal oxide, an alkaline earth metal hydroxide, ammonia, or an amine.
A lubricating oil comprising a major amount of a base oil and a minor amount of an additive package, wherein the additive package comprises one or more reaction products of:
- one or more compounds 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
- one or more amine alcohol(s).
A lubricating oil composition comprising a major amount of a base oil and a minor amount of an additive package, wherein the additive package comprises
- (A) a salt reaction product of one or more compounds 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
- one or more of an alkali metal hydroxide, and alkaline earth metal hydroxide, an alkali metal oxide, an alkaline earth metal hydroxide, ammonia, or an amine;
- and
- (B) at least one compound of the formulae I-IV different from the one or more compounds of component (A):
- wherein R is a linear or branched, saturated, unsaturated, or partially saturated hydrocarbyl group having about 8 to about 22 carbon atoms and R1 is a hydrocarbyl having from about 1 to about 8 carbon atoms or a C1-C8 hydrocarbyl group containing one or more heteroatoms;
- wherein R is a linear or branched, saturated, unsaturated, or partially saturated hydrocarbyl group having about 8 to about 22 carbon atoms and R2 and R3 are independently selected from hydrogen, C1-C18 hydrocarbyl groups, and C1-C18 hydrocarbyl groups containing one or more heteroatoms;
- wherein R is a linear or branched, saturated, unsaturated, or partially saturated hydrocarbyl group having about 8 to about 22 carbon atoms;
- and X is an alkali metal, alkaline earth metal or ammonium cation and n is the valence of cation X;
- and
- wherein R is a linear or branched, saturated, unsaturated, or partially saturated hydrocarbyl group having about 8 to about 22 carbon atoms.
A lubricating oil composition comprising a major amount of a base oil and a minor amount of an additive package, wherein the additive package comprises
- (A) one or more compounds 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) at least one compound of the formulae I-IV different from the one or more compounds of component (A):
- wherein R is a linear or branched, saturated, unsaturated, or partially saturated hydrocarbyl group having about 8 to about 22 carbon atoms and R1 is a hydrocarbyl having from about 1 to about 8 carbon atoms or a C1-C8 hydrocarbyl group containing one or more heteroatoms;
- wherein R is a linear or branched, saturated, unsaturated, or partially saturated hydrocarbyl group having about 8 to about 22 carbon atoms and R2 and R3 are independently selected from hydrogen, C1-C18 hydrocarbyl groups, and C1-C18 hydrocarbyl groups containing one or more heteroatoms;
- wherein R is a linear or branched, saturated, unsaturated, or partially saturated hydrocarbyl group having about 8 to about 22 carbon atoms;
- and X is an alkali metal, alkaline earth metal or ammonium cation and n is the valence of cation X;
- and
- wherein R is a linear or branched, saturated, unsaturated, or partially saturated hydrocarbyl group having about 8 to about 22 carbon atoms.
Dependencies are inferred from the claim text.