Abstract: A premium synthetic lubricant having antiwear properties comprises a synthetic isoparaffinic hydrocarbon base stock and an effective amount of at least one antiwear additive. The antiwear additive is preferably at least one of a metal phosphate, a metal dialkyldithiophosphate, a metal dithiophosphate a metal thiocarbamate, a metal dithiocarbamate, an ethoxylated amine dialkyldithiophosphate and an ethoxylated amine dithiobenzoate. Metal dialkyldithiophosphates are preferred, particularly zincdialkyldithiophosphate (ZDDP). The base stock is derived from a waxy, Fischer-Tropsch synthesized hydrocarbon feed fraction comprising hydrocarbons having an initial boiling point in the range of about 650-750° F., by a process which comprises hydroisomerizing the feed and dewaxing the isomerate. The lubricant may also contain hydrocarbonaceous and synthetic base stock material in admxture with the Fischer-Tropsch derived base stock.

Abstract: A trunk piston marine diesel engine lubricating oil composition is dispersant-free, has a TBN of 25 or greater, and comprises

Abstract: Grease composition for constant velocity joints comprising a base oil and urea-based thickener, which grease further comprises, (A) from 0.1 to 10% by weight of an optionally substituted molybdenum-organocyclic compound containing at least 5 ring atoms, wherein each ring atom attached directly to the molybdenum atom is a hetero atom, (B) from 0.1 to 5% by weight of at least one sulphur-containing additive chosen from the group consisting of sulphur olefins, sulphur-phosphorus extreme-pressure agents, ashless dithiocarbamates, polysulphides, thiadiazoles and zinc dithiocarbamate, and (C) from 0.1 to 5% by weight of at least one phosphorous-containing additive chosen from the group consisting of molybdenum dithiophosphate, zinc dithiophosphate and triphenylphosphorothionate; a method of lubricating a constant velocity joint comprising packing it with said grease and a constant velocity joint packed with said grease.

Abstract: A low viscosity lubricating oil composition having a CCS viscosity less than 3500 mPa.s at −25° C. and having no more than 0.16 mass % of phosphorus which comprises a dispersant, and a detergent of calcium or magnesium or both; and optionally a zinc dihydrocarbyldithiophosphate, a viscosity modifier, a pour point depressant and an antioxidant. The oil satisfies the Cummins M11 cross-head wear engine test specification in a low phosphorus and low viscosity formulation.

Abstract: This invention relates to a fretting-resisting roller bearing of which the various characteristics are not adversely affected and which achieves a higher temperature and a higher speed as well as a longer life. In a roller bearing comprised of a plurality of rolling elements held between inner and outer races with a cage interposed therebetween, the oil film of lubricating oil of which the dynamic viscosity at 40° C. is 20 to 150 mm2/s is formed on the raceway surfaces of the inner and outer races, the cage and the rolling elements and grease is enclosed.

Abstract: A lubricating composition containing an organic molybdenum compound having excellent oxidation stability that provides lubricity for long periods of time is provided. The lubricant comprises a molybdenum amine compound obtained by reacting a compound containing a hexavalent molybdenum atom with an amine represented by the following formula (1): wherein each of R1 to R3 represents a hydrogen atom and/or a hydrocarbon group, and at least one of R1 to R3 is a chain hydrocarbon group having 14 or more carbon atoms; or the following formula (2) wherein R4 represents a chain hydrocarbon group having 10 or more carbon atoms, s represents 0 or 1, X and/or Y represents a hydrogen atom, a hydrocarbon group, an alkanol group or an alkyl amino group having 2 to 4 carbon atoms, and X and Y are not hydrogen atoms or hydrocarbon groups at the same time when s is 0. A lubricating composition containing the lubricant is also provided.

Abstract: The present invention provides for a lubricant oil composition for internal combustion engines, that resists oxidation in the presence of NOx and evaporation characteristics, and controls poisoning of a three-way catalyst system for occluding/reducing NOx and formation of deposit in an air intake system. The lubricant oil composition for internal combustion engines, comprises a base oil, which contains aromatic compounds at 1 wt. % or less, sulfur at 10 ppm or less, and paraffin and monocyclic naphthene compounds at 50 wt. % or more as total content, and has a kinematic viscosity of 2 to 50 mm2/s at 100° C. and evaporated quantity of 16 wt. % or less determined by the NOACK evaporation test, wherein the base oil is incorporated with a zinc dithiophosphate at 0.04 to 0.10 wt. % as phosphorus, a calcium phenate and/or calcium sulfonate having a total basic number of 100 to 400 mg KOH/g at 1 to 10 wt. %, and a polyalkenyl succinimide having a boron/nitrogen wt. ratio of 0 to 1.

Abstract: A ball screw is provided which makes it easy to determine the degree of deterioration of lubricating grease so that new lubricating grease can be supplied efficiently without loss. The ball screw includes a threaded shaft formed with a thread groove in its outer peripheral surface, a nut formed with a thread groove in its inner peripheral surface, and a plurality of balls rollably retained in a circulating passage comprising a helical passage formed between these thread grooves when the nut is fitted on the threaded shaft, and a passage connecting both end of the helical passage. The balls and the circulating passage are lubricated by a lubricating grease which has a brightness of 1 or over and in which a base oil having a viscosity at 100° C. of 3.0-7.5 mm2/s is thickened by a urea-family thickener.

Abstract: Lubricant compositions comprises a lubricant base oil blended with a boron-containing ashless dispersant (A) in an amount of 0.035 or more percent of boron by mass, and an alkaline earth metal sulfonate having a total base number of 50 to 500 mgKOH/g (B) in an amount of 0.01 or more percent of alkaline earth metal by mass, all the percentages being based on the total mass of the composition and if necessary a phosphorus additive. The lubricant compositions are superior in effect to enhance the dynamic- and static-friction coefficients in a wet clutch.

Abstract: A lubricating oil composition exhibiting improved low temperature anti-wear performance and improved fuel economy and fuel economy retention properties, which comprises: (a) an oil of lubricating viscosity; (b) at least one calcium detergent; (c) at least one oil soluble molybdenum compound; (d) at least one nitrogen containing friction modifier; and (e) at least one zinc dihydrocarbyldithiophosphate compound, wherein the composition has a NOACK volatility of about 15.5 wt. % or less and contains from about 0.058 to 0.58 wt. % calcium from the calcium detergent, molybdenum in an amount up to about 350 ppm from a molybdenum compound, and phosphorus in an amount up to about 0.1 wt. % from a zinc dihydrocarbyldithiophosphate compound.

Abstract: An object is to provide a hydraulic oil composition which is excellent in oxidative stability, lubricating properties and biodegradability. A hydraulic oil composition comprising vegetable oil with a total degree of unsaturation of 0.3 or less as base oil, and comprising at least one antioxidant selected from the group consisting 6f a phenol antioxidant, an amine antioxidant and a zinc dithiophosphate antioxidant in an amount of 0.01 to 5% by mass based on the total amount of the composition.

Abstract: An object is to provide a hydraulic oil composition which is excellent in oxidative stability, lubricating properties and biodegradability. A hydraulic oil composition comprising vegetable oil with a total degree of unsaturation of 0.3 or less as base oil, and comprising at least one antioxidant selected from the group consisting of a phenol antioxidant, an amine antioxidant and a zinc dithiophosphate antioxidant in an amount of 0.01 to 5% by mass based on the total amount of the composition.

Abstract: Conditioning oil for use on bowling lanes. The oil contains a mixture of mineral oil, a leveling agent, and an antistatic agent. The mineral oil is a combination of paraffin and petroleum based mineral oils and/or a polyalphaolefin synthetic oil, and in some embodiments, the mixture also includes a flow agent, a fluorescent whitening agent, a lubricity agent, and a surfactant.

Abstract: The antiwear performance of power transmitting fluids, particularly continuously variable transmission fluids, is improved by incorporating an additive combination of amine phosphates, organic polysulfides, zinc salts of phosphorothioic acid esters and optionally a friction modifier.

Abstract: The present invention is a lubricant oil composition comprising a base oil as the major component which contains aromatic compounds at 1 wt % or less and paraffin and monocyclic naphthene compounds at 50 wt % or more as total content, and has a kinematic viscosity of 2 to 50 mm2/s at 100° C. and evaporated quantity of 16 wt % or less by the NOACK volatility test.

Abstract: A premium synthetic lubricant having antiwear properties comprises a synthetic isoparaffinic hydrocarbon base stock and an effective amount of at least one antiwear additive. The antiwear additive is preferably at least one of a metal phosphate, a metal dialkyldithiophosphate, a metal dithiophosphate a metal thiocarbamate, a metal dithiocarbamate, an ethoxylated amine dialkyldithiophosphate and an ethoxylated amine dithiobenzoate. Metal dialkyldithiophosphates are preferred, particularly zincdialkyldithiophosphate (ZDDP). The base stock is derived from a waxy, Fischer-Tropsch synthesized hydrocarbon feed fraction comprising hydrocarbons having an initial boiling point in the range of about 650-750.degree. F., by a process which comprises hydroisomerizing the feed and dewaxing the isomerate. The lubricant may also contain hydrocarbonaceous and synthetic base stock material in admxture with the Fischer-Tropsch derived base stock.

Abstract: A lubricating oil composition is provided, which comprises a lubricating base oil and based on the whole weight of the lubricating oil composition, (A) 0.5 wt % to 10 wt % of a metal salicylate having a total base number of from 100 mg-KOH/g to 195 mg-KOH/g, (B) 0.1 wt % to 10 wt % of a diarylamine compound, (C) 0.1 wt % to 10 wt % of a hindered phenol compound, and (D) 1 wt % to 10 wt % of a polyalkenylsuccinimide and/or a boron-containing polyalkenylsuccinimide. Also provided is a lubricating oil composition which further comprises 0.1 wt % to 10 wt % of a metal phenate having a total base number of from 100 mg-KOH/g to 300 mg-KOH/g as a component (E) in addition to the above components (A) to (D). The lubricating oil composition is excellent in all properties of detergency, NO.sub.x oxidation resistance and thermal oxidation resistance and suitable as a long-life engine oil for gas engine heat pumps.

Abstract: Lubricating oil composition for internal combustion engines having a high temperature shear viscosity of from 2.1 to less than 2.9 mPas wherein the lubricating base oil comprises 1) a zinc dialkyldithiophosphate, 2) a metallic detergent chosen from calcium alkylsalicylate and a mixture of calcium alkylsalicylate and magnesium alkylsalicylate and optionally 3) friction modifier.

Abstract: Conditioning oil for use on bowling lanes. The oil contains a mixture of mineral oil, a leveling agent, and an antistatic agent. The mineral oil is a combination of paraffin and petroleum based mineral oils, and in some embodiments, the mixture also includes isopropyl alcohol, a fluorescent whitening agent, and a lubricity agent.

Abstract: A lubricating oil composition for internal combustion engines comprises:(A) a major amount of a basestock of lubricating viscosity containing from greater than 35 to less than 70 mass % of one or more PAO's, the balance preferably being one or more Group I basestocks as defined in API 1509; and(B) two or more additive components such as an ashless dispersant and a metal detergent.

Abstract: A lubricating composition comprising a base oil in combination with molybdenum dithiocarbamate, zinc naphthenate and one or more metal dithiophosphates, and optionally one or more metal dithiocarbamates. A lubricating grease comprising such a composition in combination with a thickener, is particularly suitable for lubricating constant velocity joints.

Abstract: Disclosed is a composition for reducing the copper-lead bearing corrosion of a formulation that includes a major amount of an oil of lubrication viscosity and a minor amount of a corrosion-reducing additive comprising:(A) a dispersant with a total base number of from 20 to 160 on an oil-free basis, with the proviso that the dispersant is substantially boron-free;(B) a metal salt of a phosphorus acid; and(C) a metal overbased composition comprising at least one carboxylate, phenate, or sulfonate wherein the metal is lithium, sodium, potassium, magnesium or calcium, and wherein the improvement comprises(D) a borate ester.

Abstract: 1. A composition for reducing the copper-lead bearing corrosion of a formulation that includes a major amount of an oil of lubrication viscosity and a minor amount of a corrosion-reducing additive comprising(A) a borated dispersant with a total base number of from 20 to 160 on an oil-free basis;(B) a metal salt of a phosphorus acid; and(C) a metal overbased composition comprising at least one carboxylate, phenate, or sulfonate wherein the metal is lithium, sodium, potassium, magnesium or calcium, and wherein the improvement comprises(D) a borate ester.The borated ester and borated dispersant provide from 20 to about 800 parts per million (ppm) mass of boron in the composition.

Abstract: A lubricant composition is disclosed which comprises, a triglyceride oil lubricant and an oil soluble antimony compound as an antioxidant. Preferred antimony compounds are antimony dialkyldithiocarbamate and antimony dialkylphosphorodithioates.

Abstract: A lubricating oil composition comprising oil, and an additive combination comprising a poly alpha-olefin polymer dispersant with a number average molecular weight above 2500, and a metal dihydrocarbyl dithiophosphate sufficient to yield a phosphorous content of up to 0.1 percent weight based on the total weight of the oil. The poly alpha-olefin polymer can be ethylene alpha-olefin copolymer such as ethylene-1-butene or ethylene-1-butene-hydrocarbyl polyamine. Preferably, the ethylene-1-butene-hydrocarbyl polyamine has a number average molecular weight of about 3300.

Abstract: A lubricant additive formulation for increasing the performance of conventional engine lubricants for use as an engine treatment oil additive formulated for addition to conventional motor oil to improve the lubricating properties of the engine oil and enhance the performance of the engine. The preferred embodiment of the engine treatment oil additive comprises a synergistic blend of chemical constituents including an oil soluble molybdenum additive, polyalphaolefin, ester such as a polyolester or diester, polytetrafluoroethylene, dispersant inhibitor containing zinc dithiophosphate, mineral oil base stock, viscosity index improvers, and borate ester used in combination with a conventional crankcase lubricant at about a 20 to about a 25% volume/percent.

Abstract: A lubricant composition e.g. for engine oils comprises (i) a base oil, (ii) an antiwear additive combination comprising (a) an organo-molybdenum compound and (b) an asoless organo-phospoorus compound, and (iii) an antioxidant additive combination comprising (d) an aminic antioxidant and (e) a phenolic antioxidant, the weight ratio of aminic antioxidant to phenolic antioxidant being greater than 1:1, preferably from 1.5:1 to 20:1. The antiwear additive combination (ii) may further comprise (c) a zinc thiophosphate compound selected from zinc dialkyldithiophosphate, zinc diaryldithiophosphate and zinc alkylaryldithiophosphate and zinc arylalkyldithiopoosphate and mixtures thereof.

Abstract: Bowling lane conditioning oil in an aerosol container which has a propellant for dispensing the oil through a spray nozzle in an aerosol form. The oil includes a mixture of mineral oil, a leveling agent, and an antistatic agent. The mineral oil is a combination of paraffin and petroleum based mineral oils, and in some embodiments, the mixture also includes isopropyl alcohol, a fluorescent whitening agent, and a lubricity agent.

Abstract: A lubricant composition is disclosed which comprises, a triglyceride oil lubricant and an oil soluble copper compound antioxidant. The oil soluble copper compounds are particularly effective antioxidants for triglycerides. The lubricant composition can include soluble zinc compounds which reduce wear and/or soluble antimony compounds which reduce wear and can function as adjuvant antioxidants reducing the amount of oil soluble copper required. Preferred zinc and antimony compounds are zinc dithiophosphate antiwear/antioxidant, and antimony dialkyldithiocarbamate antioxidant adjuvant.

Abstract: Lubricating oil composition for internal combustion engines includes a base oil containing (A) 30-98% by weight of a mineral oil having a kinematic viscosity of 2-30 mm.sup.2 /sec at 100.degree. C. and a viscosity index of not less than 100 and (B) 2-70% by weight of poly-.alpha.-olefin, and zinc dithiophosphate in an amount corresponding, as reduced to the amount of P (phosphorus), to 0.02-0.15 parts by weight with respect to 100 parts by weight of the base oil. The composition of the present invention is advantageously used as lubricating oil composition for internal combustion engines, exerting excellent effects in terms of the consumption of the oil composition, fuel consumption rate, and sealing characteristics of rubber.

Abstract: A method of maintaining and servicing air conditioning systems and compositions therefor are provided whereby newer, more environmentally friendly R-134a refrigerant gas is substituted for the older R-12 and R-22 types. In addition, a method of flushing and internal lubrication of the system is presented, along with a new flush solvent and a new lubricant composition for use with an R-134a refrigerant gas.

Abstract: A lubricant composition is disclosed which comprises, a triglyceride oil lubricant and an oil soluble copper compound antioxidant. The oil soluble copper compounds are particularly effective antioxidants for triglycerides. The lubricant composition can include soluble zinc compounds which reduce wear and/or soluble antimony compounds which reduce wear and can function as adjuvant antioxidants reducing the amount of oil soluble copper required. Preferred zinc and antimony compounds are zinc dithiophosphate antiwear/antioxidant, and antimony dialkyldithiocarbamate antioxidant adjuvant.

Abstract: A lubricating oil composition, having an ash content of less than 1.5 weight percent, has a base oil of lubricating viscosity, and a zinc dialkyldithiophosphate having a zinc to phosphorus weight ratio in the range of from 0.95:1 to 1.04:1.

Abstract: The present invention provides a lubricating oil composition excellent in wear-resistant properties and frictional characteristics. The present invention relates to a lubricating oil composition containing a lubricating base oil(A) a complex obtained by reacting a metallic salt of dithiophosphoric acid having lipophilic groups, the average number of the carbon atoms of which is 4 or more, with a primary alkylamine having 8 or less carbon atoms, and(B) at least one kind of compound selected from the group consisting of oxymolybdenum sulfide dithiocarbamate, oxymolybdenum sulfide organophosphorodithioate, fatty esters, and organic amides.

Abstract: Providing a lubricating oil composition for internal combustion engines which has high resistance to oxidation by nitrogen oxides, excellent friction characteristics that is maintained for a prolonged period, and reduces the fuel consumption for a prolonged period. A lubricating oil composition for internal combustion engines is provided consisting of a base oil principally consisting of a hydrocarbon oil which has a dynamic viscosity of 2-20 mm.sup.2 /s at 100.degree. C. and contains 3 wt % or less aromatic components in total, 45 wt% or more one- and two-ring naphthenes in total, 50 wt ppm or less sulfur and 50 wt ppm or less nitrogen, to which are added, with respect to the total weight of the composition, 0.02-0.2 wt % as molybdenum of molybdenum dithiocarbamate, 0.02-0.15 wt % as phosphorus of zinc dithiophosphate, and 0.05-3 wt % of phenol-based antioxidant.

Abstract: An oxidatively stable, biodegradable lubricant composition is disclosed which comprises(A) a hydrogenated polyisoprene prepared by polymerizing isoprene such that polyisoprene is obtained wherein there are from 4 to 1000 isoprene units and hydrogenating the polyisoprene to obtain a hydrogenated polysoprene containing a residual olefinic unsaturation of not more than 10 percent based upon the unsaturation content prior to hydrogenation; and(B) at least one performance additive selected from the group consisting of(1) an alkyl phenol;(2) an ether;(3) a mono- or di-substituted glyceride;(4) a phosphorus derivative;(5) a benzotriazole;(6) a phosphorus amine salt;(7) a trihydrocarbyl phosphorothionate;(8) an aromatic amine;(9) a zinc salt;(10) a pour point depressant ester;(11) a hydrogenated block copolymer; and(12) an acrylate polymer.

Abstract: A functional fluid composition having improved gear performance comprises an oil of lubricating viscosity, and added thereto(a) an alkali or alkaline earth metal salt complex in the form of borated and/or non-borated salts;(b) an EP/antiwear agent comprising a mixture of zinc salts of dialkylphosphorodithioic acid and 2-ethylhexanoic acid heated with triphenyl phosphite or an olefin; and(c) a borated epoxide.The oil of lubricating viscosity has a kinematic viscosity of at least 4 cSt and 100.degree. C. and a -40.degree. C. Brookfield viscosity of less than 20,000.

Abstract: Lubricating oil composition for use with sintered porous bearings includes a poly-.alpha.-olefin hydride or ethylene-.alpha.-olefin copolymer hydride containing base oil to which at least one additive selected from the group consisting of zinc dialkyl dithiophosphate, molybdenum dialkyl dithiocarbide, molybdenum dialkyl dithiophosphate and a sulfur-phosphorus containing extreme pressure additive is added in an amount of 0.01 to 5 parts by weight per 100 parts by weight of the base oil.

Abstract: A biodegradable multipurpose functional fluid for agricultural or construction machinery, comprising a base oil, a detergent-dispersant and an antioxidant (and a viscosity index improver if desired), in which the base oil is a fatty acid triester of trimethylolpropane obtained from a fatty acid that either has from 40% to 70% by weight of caprylic acid and from 20% to 50% by weight of capric acid, or is derived from a coconut oil which has been adjusted to have a stearic acid content of from 10% to 20% by weight.

Abstract: Novel zinc additives are provided which function as antioxidants and extreme pressure agents for lubricants and possess high thermal stability. In addition, they exhibit good filterability performance and good corrosion resistance. The zinc-containing additives are formed by admixing (i) at least one zinc dialkyldithiophosphate wherein each alkyl group contains 6 to 12 carbon atoms and is branched on its beta-carbon atom, and (ii) at least one zinc alkanoate wherein each alkanoate group is branched on its beta-carbon atom, in a ratio of 6.0 to 8.0 equivalents of (i) per equivalent of (ii).

Abstract: A lubricant composition is disclosed which provides good antiwear characteristics in air at .gtoreq.100.degree. C. and exhibits a low friction coefficient, said composition comprising:(A) a fluorosilicone oil;(B) at least one compound selected from the group consisting of ferrocene, 1,1'-bis(diphenylphosphino) ferrocene and an N,N-disalicylidene-diaminoalkane in which the alkane portion has 3-6 carbon atoms; and(C) at least one phosphorous compound selected from the group consisting of triphenylphosphine, tri-o-tolylphosphine, 1,5-bis-diphenylphosphinopentane and a dialkyldithiophosphate salt in which the alkyl groups have 1-14 carbon atoms, wherein said components (B) and said component (C) is each present at a level of 0.01 to 0.3 percent based on the total weight of said composition.