Abstract: A diaromatic amine compound having the general formula: wherein R1 and R2 together with the carbon atoms to which they are bonded are joined together to form a C3-C30 ring, and R3 is an allyl, benzyl, or methallyl group. R4, R5, and R6 are independently hydrogen, C1-C30 alkyl group, C2-C30 alkenyl group, C3-C12 cycloalkyl group, C5-C25 aryl group, C6-C25 arylalkyl group, or C1-C30 alkoxy group.

Abstract: A compound having the formula: R1 and R2 together with the carbon atoms to which they are bonded are joined together to form a C3-C30 ring. The C3-C30 ring may be substituted with one or more substituents or unsubstituted. The C3-C30 ring may contain one or more heteroatoms. The C3-C30 ring may be saturated, partially unsaturated, or fully unsaturated.

Abstract: A composition is disclosed that comprises a lubricant and at least a first antioxidant and a second antioxidant, the first antioxidant being a hindered phenolic and the second antioxidant being a thioether. Also disclosed is a method of increasing the oxidation stability of a lubricant comprising adding thereto at least a first antioxidant and a second antioxidant, the first antioxidant being a hindered phenolic and the second antioxidant being a thioether.

Abstract: Compositions are disclosed that comprise a lubricant, at least a first antioxidant and an optional second antioxidant, the first antioxidant being a styrenated phenolic antioxidant and the optional second antioxidant a secondary diarylamine for synergistic antioxidant action. Also disclosed is a method of increasing the oxidation stability of lubricating oils comprising: adding thereto at least a first antioxidant and, optionally, a second antioxidant, the first antioxidant being a styrenated phenolic antioxidant and the optional second antioxidant a secondary diarylamine.

Abstract: Disclosed herein are highly stable styrenated phenolic compositions that are liquids at room temperature, and polymer articles and lubricant compositions containing such styrenated phenolic compositions. Also disclosed are processes for forming such styrenated phenolic compositions, which processes afford distyrenated phenolics assaying at 70% minimum by total GC area, comprising reacting styrene with one or more phenolics, e.g., at least one of phenol, p-cresol and/or o-cresol, in the presence of an acid catalyst, preferably a sulfonic acid catalyst, at elevated temperature, wherein the resulting product mixture comprises one or more monostyrenated phenolics, one or more distyrenated phenolics, and one or more tristyrenated phenolics.

Abstract: A composition is disclosed that comprises: (A) a lubricant or a hydrocarbon fuel, and (B) at least one polysiloxane of the formula: MwD?xDyM?z where: w is 2-z; x is 0 to 50; y is 0 to 500; z is 0 to 2; M=Si(CH3)3—O—; M?=R1—Si(CH3)2O—; D=—Si(CH3)2O—; D?=—Si(CH3)(R1)O—; and R1 is an aliphatic or aromatic moiety linked to at least one silicon atom from siloxane and comprising at least one heteroatom.

Abstract: A synergistic combination antioxidant mixture that provides excellent characteristics for biodiesel fuel compositions, when incorporated therein.

Abstract: Organo-Imino molybdenum complexes are disclosed having the formula Z2N2MOS4C2N2R4 wherein Z and R are independently selected from the group consisting of linear hydrocarbon groups, branched hydrocarbon groups, cyclic hydrocarbon groups, and mixtures thereof. The compounds are useful as friction modifiers in lubricants.

Abstract: A lubricant composition is disclosed that comprises lubricating oil and a mixture of at least two antioxidants, the first antioxidant being a secondary diarylamine and the second antioxidant being a substituted para-phenylenediamine. Also disclosed is a method of increasing the oxidation stability of a lubricating oil comprising adding thereto at least two antioxidants, the first antioxidant being a secondary diarylamine and the second antioxidant being a substituted para-phenylenediamine.

Abstract: Fuels, especially hydrocarbon fuels, and lubricants, especially lubricating oils, contain a class of anti-corrosion, anti-fatigue, and anti-wear additives that are derived epoxidized esters of fatty acids. Epoxidized 2-ethylhexyl tallate is particularly effective.

Abstract: A stabilized lubricant composition is disclosed that comprises lubricating oil and a mixture of (a) at least one organophosphite compound and (b) at least one aromatic secondary amine or one substituted phenol or mixtures thereof. The compositions have been found to be highly resistant to oxidation under demanding service conditions.

Abstract: A stabilized lubricant composition is disclosed that comprises lubricating oil and a mixture of (a) at least one organophosphite compound and (b) at least one aromatic secondary amine or one substituted phenol or mixtures thereof. The compositions have been found to be highly resistant to oxidation under demanding service conditions and to be useful as turbine lubricants.

Abstract: Disclosed herein is a composition comprising: A) a lubricant; and B) a mixture of antioxidants, wherein said mixture is prepared by the partial condensation of an alkylated diphenylamine with an aldehyde or ketone in the presence of an acidic catalyst to yield at least one acridan of the general formula: wherein: R1, R2, R3, and R4 are independently selected from the group consisting of hydrogen, C3 to C32 alkyl, and C3 to C32 alkenyl, provided that at least one of R1, R2, R3, and R4 is not hydrogen, and R5 and R6 are independently selected from the group consisting of C1 to C20 hydrocarbyl and hydrogen; wherein, at the termination of said condensation, residual alkylated diphenylamine is not separated from the acridan product.

Abstract: Disclosed herein is a composition comprising: (A) a lubricant or a hydrocarbon fuel; (B) at least one hydroxy carboxylic acid ester or hydroxy polycarboxylic acid ester having the generic formula defined herein; and (C) at least one phosphorus-containing additive.

Abstract: A composition is disclosed that comprises: (A) a lubricant or a hydrocarbon fuel, and (B) at least one polysiloxane of the formula: MwD?xDyM?z where: w is 2-z; x is 0 to 50; y is 0 to 500; z is 0 to 2; M=Si(CH3)3—O—; M?=R1—Si(CH3)2O—; D=—Si(CH3)2O—; D?=—Si(CH3)(R1)O—; and R1 is an aliphatic or aromatic moiety linked to at least one silicon atom from siloxane and comprising at least one heteroatom.

Abstract: A composition is disclosed that comprises a lubricant and at least a first antioxidant and a second antioxidant, the first antioxidant being a hindered phenolic and the second antioxidant being a thioether. Also disclosed is a method of increasing the oxidation stability of a lubricant comprising adding thereto at least a first antioxidant and a second antioxidant, the first antioxidant being a hindered phenolic and the second antioxidant being a thioether.

Abstract: Lubricants, especially lubricating oils, and fuels, especially hydrocarbon fuels, contain a class of anti-wear, anti-fatigue, and extreme pressure additives that are derived from silanes. The additives can be used as either partial or complete replacements for zinc dialkyldithiophosphates currently used in lubricants and fuels.

Abstract: A lubricant composition is disclosed that comprises: (a) a lubricant and (b) at least one molybdenum-containing compound in the form of surface-capped nanosized particles of the general formula: (Z)n(X—R)m wherein Z is an inorganic moiety comprising molybdenum and sulfur in the form of particles having dimensions in the range of from about 1 to about 100 nm; (X—R) is a surface-capping reagent wherein R is a C4 to C20 straight or branched-chain alkyl or alkylated cycloalkyl radical or radicals and X is a functional group capable of specific sorption and/or chemical interaction with molybdenum/sulfur moiety; n is the number of molecules of Z in the particles; m is an integer representing the amount of surface-capping reagents relative to a single particle; and the ratio of m to n is in the range of from about 1:1 to about 10:1.

Abstract: A lubricant composition is disclosed that comprises: (a) a lubricant and (b) at least one molybdenum-containing compound in the form of surface-capped nanosized particles of the general formula: (Z)n(X—R)m wherein Z is an inorganic moiety comprising molybdenum and sulfur in the form of particles having dimensions in the range of from about 1 to about 100 nm; (X—R) is a surface-capping reagent wherein R is a C4 to C20 straight or branched-chain alkyl or alkylated cycloalkyl radical or radicals and X is a functional group capable of specific sorption and/or chemical interaction with molybdenum/sulfur moiety; n is the number of molecules of Z in the particles; m is an integer representing the amount of surface-capping reagents relative to a single particle; and the ratio of m to n is in the range of from about 1:1 to about 10:1.

Abstract: Organo-Imino molybdenum complexes are disclosed having the formula Z2N2MOS4C2N2R4 wherein Z and R are independently selected from the group consisting of linear hydrocarbon groups, branched hydrocarbon groups, cyclic hydrocarbon groups, and mixtures thereof. The compounds are useful as friction modifiers in lubricants.