Abstract: A lubricant composition comprising an oil of lubricating viscosity and an oil-soluble branched-chain hydrocarbyl-substituted arenesulfonic acid salt, wherein the arenesulfonic moiety has at least one hydrocarbyl substituent which is a highly branched group as defined by having a Chi(0)/Shadow XY ratio greater than about 0.180, exhibits good dynamic frictional performance.

Abstract: A lubricant composition comprising an oil of lubricating viscosity and an oil-soluble branched-chain hydrocarbyl-substituted arenesulfonic acid salt, wherein the arenesulfonic moiety has at least one hydrocarbyl substituent which is a highly branched group as defined by having a Chi(0)/Shadow XY ratio greater than about 0.180, exhibits good dynamic frictional performance.

Abstract: This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity with an iodine number less than about 9, (A) one or more antioxidant, and (B) from about 0.01% to about 3% by weight of at least one dispersant or detergent, wherein the total amount of antioxidant is at least about 2% by weight. The additives are useful act controlling oxidation of lubricants. Further, these lubricants have reduced viscosity increase caused by oxidation, while maintaining favorable carbon/varnish ratings.

Abstract: This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity, (A) at least one organic polysulfide comprising at least about 90% dihydrocarbyl trisulfide, from about 0.1% up to about 8% dihydrocarbyl disulfide, and less than about 5% dihydrocarbyl higher polysulfides, and (B) at least one overbased metal composition, at least one phosphorus or boron compound, or mixtures of two or more thereof. The invention also relates to concentrates and greases containing the above combination. The invention also relates to methods of making the organic polysulfide.

Abstract: The objectionable odors generated from lubricants is minimized by including in said lubricant a thiazole compound and grape odor mask.

Abstract: This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity with an iodine number less than about 9, (A) one or more antioxidant, and (B) from about 0.01% to about 3% by weight of at least one dispersant or detergent, wherein the total amount of antioxidant is at least about 2% by weight. The additives are useful act controlling oxidation of lubricants. Further, these lubricants have reduced viscosity increase caused by oxidation, while maintaining favorable carbon/varnish ratings.

Abstract: This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity and (A) an antiwear improving amount of at least one molybdenum containing composition, and (B) at least one member selected from the group consisting of (i) at least one borated overbased metal salt of an acidic organic compound, provided that (A) and (Bi) are not the same, (ii) a combination of (a) at least one organic polysulfide or at least one ashless dithiocarbamate containing composition and (b) at least one component selected from the group consisting of a metal thiophosphate, a phosphoric acid ester or salt thereof, a phosphorus-containing carboxylic acid, ester, ether, or amide, a borated dispersant, an alkali metal borate, a borated fatty amine, a borated phospholipid, a borate ester, and mixtures thereof, and (iii) a combination of (i) and (ii).

Abstract: A borate ester represented by one of the following formulae:

Abstract: The perception of objectionable odors generated from lubricants is minimized by including in said lubricant a thiazole compound and an odor mask.

Abstract: A borate ester represented by one of the following formulae: wherein each R1 is independently hydrocarbyl, a hydrocarbyloxy or a hydrocarbylthio group or both R1 on the same phosphorus atom taken together form a heterocyclic group; each X1 and X2 is independently an oxygen or sulfur; and each R2 is independently a hydrocarbylene group. These reaction products are useful as lubricant additives for oil-based and water-based functional fluids. These materials act as anti-wear, extreme pressure and friction modifying agents.

Abstract: Gear oil compositions are described which comprise a lubricating base oil having dissolved therein:(A) at least one phosphite ester characterized by the formula: ##STR1## wherein R.sup.1 and R.sup.2 are hydrocarbyl based groups of from 1 to 30 carbon atoms and(B) at least one metal overbased composition.Another embodiment of the invention comprises the above-mentioned (A) and (B) with(C) a sulfurization product of an aliphatic olefinic compound containing from 3 to 30 carbon atoms.

Abstract: This invention relates to lubricating compositions comprising:(A) a major amount of an oil of lubricating viscosity;(B) at least one borated overbased Group I or II metal salt of an organic acid;(C) at least one polysulfide-containing organic composition; and(D) at least one phosphorus-containing composition other than a zinc dithiophosphate.Lubricating compositions of the present invention have beneficial viscosity and friction characteristics required by a manual transmission as well as beneficial extreme pressure protection required for a gear assembly.

Abstract: This invention is directed to lubricating oil and functional fluid compositions having improved high temperature stability and which contain at least one phosphorus-containing composition and at least one oil-soluble nitrogen-containing composition. More particularly, the lubricating and functional fluid compositions of the present invention comprise (A) a major amount of an oil of lubricating viscosity, and a minor amount of (B-1) at least one soluble tertiary aliphatic primary amine salt of a substituted phosphoric acid composition characterized by the formula ##STR1## wherein R.sup.1 is hydrogen or a hydrocarbyl group, R.sup.2 is a hydrocarbyl group, and both X groups are either O or S, and (C) at least one soluble nitrogen-containing composition prepared by the reaction of a hydrocarbon-substituted succinic acid-producing compound with at least about one-half equivalent, per equivalent of acid producing compound, of an amine containing at least one hydrogen attached to a nitrogen atom.

Abstract: A lubricating composition is described which comprises a mixture of (A) a major amount of an oil of lubricating viscosity, (B) a dispersant effective amount of at least one ashless dispersant, and (C) a minor, effective amount of at least one demulsifier characterized by the formula ##STR1## wherein R is a hydrocarbyl group, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are each independently H or hydrocarbyl groups, and X is O or NR' wherein R' is hydrogen or a hydrocarbyl group.In one embodiment, the ashless dispersant is a carboxylic dispersant, and the demulsifier is a derivative of imidazoline. The lubricating compositions of the invention are characterized as having improved dispersancy, demulsibility, rust-inhibition and anti-wear properties.

Abstract: Mixtures of partial fatty acid esters of polyhydric alcohols and sulfurized compositions. Compositions comprising these mixtures are useful as additives for a wide variety of lubricants.

Abstract: Improved automatic transmission fluids (ATF's) and gear lubricant compositions comprising a low concentration of an oil-soluble transistion metal compound are provided. The transition metal compound ameliorates low temperature thickening in ATF's and high temperature thickening in gear lubricants.

Abstract: A lubricant mixture suitable for a manual transmission fluid comprising:(a) a boronated overbased alkali metal or alkaline earth metal salt selected from the group consisting of sulfonates, phenates, oxylates, carboxylates and mixtures thereof;(b) a friction modifier selected from the group consisting of fatty phosphites, fatty acid amides, borated fatty epoxides, fatty amines, glycerol esters and their borated derivatives, borated alkoxylated fatty amines, sulfurized olefins and mixtures thereof;(c) and an oil of lubricating viscosity, wherein such lubricants have excellent static and dynamic frictional characteristics. The lubricant fluids are particularly useful in reducing double detent and clashing during manual transmission shifting.