Abstract: A dialkylanilino-cyclohexane compound useful as an antioxidant has the following formula I or formula II: wherein Ar1 and Ar2 can be the same or different and each is an alkylaromatic group; each of R1, R2, R3, and R4 is independently selected from hydrogen or CR7R8; each of R5, R6, and R7 is independently selected from hydrogen and a substituted or unsubstituted C1 to C32 hydrocarbyl group; and each R8 is independently selected from hydrogen and a C1 to C2 alkyl group, provided that when, each of R1 and R2 is CR7R8 and each such R8 is other than hydrogen, R1 and R2 may be joined to form a five or six-membered ring, and provided further that when, each of R3 and R4 is an adjacent CR7R8 and each such R8 is other than hydrogen, R3 and R4 may be joined to form a five or six-membered ring.

Abstract: Compositions in the form of lubricating oil compositions, greases, fuels or functional fluids containing, in the form of Michael adducts, N-substituted phenylenediamine additives in which at least one of the substituents on the N atoms carries a carbonyl group that is connected to an alkyl, alkoxyalkyl, or alkylthioalkyl group either directly or via an oxygen atom.

Abstract: Diaromatic amine compounds or an isomer or isomeric mixture thereof is provided having the general formula: wherein n, m, R, R1, R2, R3, R4 and R5 are as defined herein are provided. Lubricating oil compositions and stabilizer-containing compositions containing the diaromatic amine compounds are also provided.

Abstract: A rubber composition is disclosed wherein the rubber composition contains at least an effective amount of at least one substituted or unsubstituted diaryl amine-containing compound having at least one substituted or unsubstituted, saturated or partially saturated C5-C30 ring structure optionally containing one or more heteroatoms fused to at least one of the aryl rings.

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: Diraromatic amine derivatives having the general formula: wherein n is from 0 to 5; m is from 0 to 4; each R substituent is independently hydrogen or a straight or branched C1-C32 alkyl group or alkenyl group or two R substituents together with the carbon atom to which they are bonded are joined together to form an unsaturated, partially saturated or saturated C3-C30 ring structure optionally containing one or more heteroatoms, each R1 substituent is independently hydrogen or a straight or branched C1-C32 alkyl group or alkenyl group and R2, R3, R4, R5, R6 and R7 are independently hydrogen or a straight or branched C1-C32 alkyl group or alkenyl group optionally containing a functional group are provided. Also provided are lubricating oil compositions containing the diraromatic amine derivatives.

Abstract: A dialkylanilino-cyclohexane compound useful as an antioxidant has the following formula I or formula II: wherein Ar1 and Ar2 can be the same or different and each is an alkylaromatic group; each of R1, R2, R3, and R4 is independently selected from hydrogen or CR7R8; each of R5, R6, and R7 is independently selected from hydrogen and a substituted or unsubstituted C1 to C32 hydrocarbyl group; and each R8 is independently selected from hydrogen and a C1 to C2 alkyl group, provided that when, each of R1 and R2 is CR7R8 and each such R8 is other than hydrogen, R1 and R2 may be joined to form a five or six-membered ring, and provided further that when, each of R3 and R4 is an adjacent CR7R8 and each such R8 is other than hydrogen, R3 and R4 may be joined to form a five or six-membered ring.

Abstract: Compositions in the form of lubricating oil compositions, greases, fuels or functional fluids containing, in the form of Michael adducts, N-substituted phenylenediamine additives in which at least one of the substituents on the N atoms carries a carbonyl group that is connected to an alkyl, alkoxyalkyl, or alkylthioalkyl group either directly or via an oxygen atom.

Abstract: The invention is a C5-C12 cycloalkyl substituted phenylenediamine that provides deposit-control lubricant additives for organic materials including lubricating oil, gasoline, and diesel fuels. The invention improves the oxidative stability of the lubricants and fuels by adding cycloalkyl substituted phenylenediamines having one or more additional N-substituents.

Abstract: A rubber composition is disclosed wherein the rubber composition contains at least an effective amount of at least one substituted or unsubstituted diaryl amine-containing compound having at least one substituted or unsubstituted, saturated or partially saturated C5-C30 ring structure optionally containing one or more heteroatoms fused to at least one of the aryl rings.

Abstract: Disclosed herein is composition comprising: (A) a lubricant or a hydrocarbon fuel; (B) at least one additive that is a 2-(S(N)-mercaptobenzothiazole)succinic or methylene succinate esters of a structure defined herein; and optionally (C) at least one zinc dihydrocarbyldithiophosphate.

Abstract: A composition of matter is disclosed wherein the composition comprises a hydrazide compound of the formula: wherein: R1 is selected from the group consisting of alkyl, alkyl ether, and phenyl; R2, R3, R4, R5, and R6 are independently selected from the group consisting of hydrogen, alkyl, alkyl ether, and aryl; and n is an integer of from 0 to 10; and wherein: when R1 is phenyl, it is of the structure: wherein R7, R8, and R9 are independently selected from the group consisting of hydrogen, alkyl, alkyl ether, and aryl, or R7 can be combined with R8 to form a ring of 5 or 6 carbon atoms. The hydrazides are useful as stabilizers for lubricants, greases, and polymeric systems, particularly lubricating oils, as are maleated polymers that have been functionalized with them.

Abstract: Dithiocarbamate derivative compounds, useful as multifunctional additives for lubricating oils and fuels, are provided and are derived from a reaction product obtained from (a) a di(hydrocarbyl)thiocarbamate intermediate derived from the reaction of a dihydrocarbylamine and carbon disulfide; (b) an amide of the general formula R7CONH2 wherein R7 is an alkylene group having 2 to about 30 carbon atoms; and (c) an effective amount of a carbonyl-containing compound.

Abstract: A process is disclosed that comprises solution grafting a hydrocarbon polymer prepared from at least C2 to C28 polymerizable hydrocarbon, said polymer having a number average molecular weight in the range of from about 5,000 to about 500,000, with an ethylenically unsaturated C3 to C10 carboxylic acid material, using a free radical initiator, in the presence of an aromatic ester oil of the formula (I) wherein R1, R2, R3, R4, R5, and R6 are independently selected from the group consisting of hydrogen, —COOR7, —COOR8, —COOR9, —COOR10, —COOR11, and —COOR12, provided that no more than 5 of R1, R2, R3, R4, R5 and R6 are hydrogen, and R7, R8, R9, R10, R11, and R12 are independently selected from the group consisting of alkyl and alkylesters

Abstract: Disclosed herein is an antioxidant that is an alkylated iminodibenzyl of the general formula: wherein: R1, R2, R3, and R4 are independently selected from the group consisting of hydrogen, alkyl moieties, and alkenyl moieties; and R5, R6, R7, and R8 are independently selected from the group consisting of hydrocarbyl moieties and hydrogen.

Abstract: A composition of matter is disclosed wherein the composition comprises an N-aromatic substituted acid amide compound selected from the group consisting of compounds of formula (I) wherein A and B are independently selected alkylene groups; R1 is selected from the group consisting of hydrogen, alkyl, alkylether, or ester; R2 is hydrogen if R1 is hydrogen; R2 is an alkyl primary amine if R1 is alkyl, alkylether, or ester; R3 and R4 are independently selected from the group consisting of hydrogen and alkyl; R5 is a sterically hindered phenolic group of formula (II) or formula (III) wherein X is CH2, S, NH, or O; and m, n, and p are independently selected integers equal to 0 or 1. These compositions may be used as such or they may be bound to a polymer backbone via a linking moiety.

Abstract: Disclosed herein is a composition comprising: (A) a lubricant, and (B) at least one 5-hydrocarbyl-2-mercapto-1,3,4-oxadiazole compound of the formula: wherein R1 is a hydrocarbon or functionalized hydrocarbon of from 1 to 30 carbon atoms.

Abstract: Disclosed herein is an antioxidant that is an alkylated iminodibenzyl of the general formula: 1

Abstract: A process is disclosed that comprises solution grafting a hydrocarbon polymer prepared from at least C2 to C28 polymerizable hydrocarbon, said polymer having a number average molecular weight in the range of from about 5,000 to about 500,000, with an ethylenically unsaturated C3 to C10 carboxylic acid material, using a free radical initiator, in the presence of an aromatic ester oil of the formula (I) wherein R1, R2, R3, R4, R5, and R6 are independently selected from the group consisting of hydrogen, —COOR7, —COOR8, —COOR9, —COOR10, —COOR11, and —COOR12, provided that no more than 5 of R1, R2, R3, R4, R5 and R6 are hydrogen, and R7, R8, R9, R10, R11, and R12 are independently selected from the group consisting of alkyl and alkylesters.

Abstract: Disclosed herein is a composition comprising: (A) a lubricant, and (B) at least one alkyl succinhydrazide compound of the formula:  wherein: R1 is selected from the group consisting of linear or branched alkyl, alkenyl, alkaryl, alkyl ether, alkyl ester, and alkylene ester groups; R2 is selected from the group consisting of hydrogen, linear or branched alkyl, alkenyl, alkyl ether, and alkyl ester groups; and R3 and R4 are independently selected from the group consisting of hydrogen, linear or branched alkyl and alkenyl groups, aryl groups, and alkaryl groups.