Abstract: Organo molybdenum containing oils of lubricating viscosity having improved high temperature frictional properties are made using semi-packages of additives. The semi-packages contain: (A) a dispersant, a zinc salt, and a detergent and (B) an organo molybdenum compound. The packages are formed individually prior to mixing.

Abstract: A heavy duty diesel engine lubricating oil composition having no more than 0.10 wt. % phosphorus comprises an ashless dispersant, a neutral calcium phenate, an overbased calcium or magnesium sulfonate, a metal dihydrocarbyldithiophosphate, and a phenolic or aminic antioxidant.

Abstract: A low sulfur detergency additive suitable for lubricant composition used in air-cooled two-stroke cycle engines having an unsulfurized alkaline earth alkylsalicylate and optionally a molybdenum compound.

Abstract: A low sulfur detergency additive suitable for lubricant composition used in air-cooled two-stroke cycle engines having an unsulfurized alkaline earth alkylsalicylate and optionally a molybdenum compound.

Abstract: A lubricant for use in a refrigerator which operates with a chlorine-free Flon (fluorocarbon)-type refrigerant whose molecules do not contain chlorine. The lubricant contains a synthetic oil, and molybdenumoxysulfide diorganophosphorodithioate given by the following formula (1) and/or molybdenumoxysulfide diorganodithiocarbamate given by the following formula (2), the content of the compounds of formulae (1) and (2) in total ranges from 0.1 to 10 wt % to the content of the synthetic oil: {(RO)2PS2}2Mo2SXOY  (1) where R represents a hydrocarbon group having 3 to 20 carbon atoms, and X and Y are numbers which meet the conditions of O≦X≦4, 0≦Y≦4 and X+Y=4; and (R′2NCS2)2Mo2SX′OY′  (2) where R′ is a hydrocarbon group having 3 to 20 carbon atoms and X′ and Y′ are numbers which meet the conditions of )≦X′≦4, 0≦Y′≦4 and X′+Y′=4.

Abstract: A silicon elastomer compatible constant velocity joint grease comprises a urea grease composed of a lubricating oil and a urea thickener and an effective amount of a friction reducing additive package comprising vermiculite, molybdenum oxysulfide dithiocarbamate, polyphenylene sulfide and potassium triborate. The additive package solids have particle sizes below about 40 microns.

Abstract: This invention relates to synergistic antiwear compositions comprising an organomolybdenum complex and an organic sulfur compound selected from 2,5-dimercapto-1,3,4-thiadiazole derivatives, bisdithiocarbamate esters, metal dithiocarbamates, metal phosphorodithioates and phosphorodithioate esters. The organomolybdenum complex is a reaction product prepared by reacting 1 mole fatty oil, 1.0 to 2.5 moles diethanolamine and a molybdenum source. Lubricating compositions containing the synergistic compositions possess good antiwear properties and improved oxidation stability.

Abstract: The invention relates to lubricating oil compositions of a major amount of an oil of lubricating viscosity in admixture with an effective minor amount of an oil soluble or dispersible trinuclear molybdenum containing complex and of an antioxidant, preferably, copper containing antioxidants and diphenyl amines and effective diphenylamine derivatives to enhance the lubricating properties of the oil. Also included are additive concentrates containing these compositions. The invention further includes the method of making these compositions.

Abstract: A grease composition for constant velocity joints comprises the following components: (a) a base oil; (b) a diurea type thickening agent represented by the following formula (1): R1NH—CO—NH—C6H4—p—CH2—C6H4—p—NH—CO—NHR2  (1) (in the formula (1), R1 and R2 may be the same or different from one another and each represents an aryl group or a cycloalkyl group having 6 or 7 carbon atoms); (c) a molybdenum sulfurized dialkyl dithiocarbamate; (d) a molybdenum sulfurized dialkyl dithiophosphate; (e) molybdenum disulfide; (f) a calcium salt of an alkylaromatic sulfonic acid; and (g) a phosphorus free-and sulfur-containing extreme-pressure additive. The grease composition for constant velocity joints according to the present invention has a high ability of reducing the induced thrust force and is excellent in the durability.

Abstract: The present invention provides a grease composition which is excellent in peel resistance, not to mention lubricity, as compared with the prior art products. A novel grease composition for rolling bearing is provided, comprising a base oil, an extender, an inorganic compound-based filler having an average particle diameter of not more than 2 &mgr;m and zinc dithiocarbamate.

Abstract: A grease composition comprising a lubricant base oil and a metal dithiocarbamate represented by the formula (1): 1

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: This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity, (A) an antiwear improving amount of at least one molybdenum containing composition, (B) at least one phosphorus antiwear or extreme pressure agent, and (C) at least one dispersant, provided that the lubricating composition is free of polysulfurized olefins. The lubricating compositions have improved antiwear properties. When the lubricating composition is used in a manual transmission, the amount of brass wear is reduced.

Abstract: A constant-velocity joint for a propeller shaft is provided which can be used with good durability without adding any organic lead compound, which is high in the effect of suppressing temperature rise of grease during high-speed rotation, and which can prevent deterioration of the grease.

Abstract: A grease composition for constant velocity joints comprises the following components: (a) a base oil; (b) a diurea type thickening agent; (c) a molybdenum sulfurized dialkyl dithiocarbamate; (d) molybdenum disulfide; (e) at least one sulfur-phosphorus-containing extreme-pressure agent selected from the group consisting of zinc dithiophosphate compounds and thiophosphates; and (f) a fatty acid amide. The grease composition of the present invention has a high ability of reducing the induced thrust force and is excellent in the durability.

Abstract: A lubricating member for food-processing equipment comprising a polyolefin resin and a lubricant usable for food is used at a temperature of not lower than the pour point of the lubricant to not higher than 70° C., to thereby secure a lubricating member for food-processing equipment with safety.

Abstract: The combination of a molybdenum compound and an aromatic amine has been found to produce a synergistic antioxidant effect when used as an antioxidant additive for lubricating oils. The combination has been found to be particularly effective under catalytic oxidation conditions, e.g. Fe catalysed oxidation of crankcase lubricating oils.

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: Engine oil compositions comprise (A) a lubricating base oil having a kinematic viscosity at 100° C. of 2 to 6 mm2/S, a viscosity index of 120 or more, and a total aromatics content of 15 percent by mass or less and (B) a polymethacrylate-based viscosity index improver in such an amount that the composition has a kinematic viscosity at 100° C. of 4.0 to 9.3 mm2/s. Disclosed are also engine oil compositions which comprise (A) a lubricating base oil having a kinematic viscosity at 100° C. of 2 to 6 mm2/S, a viscosity index of 120 or more, and a total aromatics content of 15 percent by mass or less; (B) a polymethacrylate-based viscosity index improver in such an amount that the composition has a kinematic viscosity at 100° C. of 4.0 to 9.3 mm2/s; and (C) molybdenumdithiocarbamate.

Abstract: Lubricating compositions are described which contain organomolybdenum compounds and sulfur compounds (donors). The copper corrosion of said compositions is reduced by reacting the sulfur donors with plant oils to reduce sulfur activity and thus copper corrosion prior to the sulfur donors being added to the majority of oil to form a lubricating composition.

Abstract: A constant-velocity joint for a propeller shaft is provided which can be used with good durability without adding any organic lead compound, which is high in the effect of suppressing temperature rise of grease during high-speed rotation, and which can prevent deterioration of the grease.

Abstract: A rolling device is made up of a plurality of rolling bodies provided between an outer member having a first contact face with each of the plurality of rolling bodies and an inner member having a second contact face with each of the plurality of rolling bodies wherein the plurality of rolling bodies individually are able to roll relative to the first and second faces. A grease composition is sealedly filled in between the outer member and the inner member and contains a carbonate compound serving as a base oil, a lithium soap serving as a thickener, and at least one organomolybdenum compound selected from the group consisting of a molybdenum dithiophosphate and a molybdenum dithiocarbamate.

Abstract: The present invention relates to a grease composition for a constant velocity joint, which has a low coefficient of friction to decrease the vibrations of CVJ, which comprises a base oil, a urea thickening agent, (A) a molybdenum dialkyldithiocarbamate, (B) at least one molybdenum di(alkyl or aryl)dithiophosphate represented by formula (I): wherein R1 represents a primary or secondary alkyl group or an aryl group, and (C) at least one sulfur-containing additive selected from the group consisting of an ashless dithiocarbamate, a polysulfide, zinc dithiocarbamate, sulfurized fat and oil, an olefin sulfide, a sulfur-phosphorus extreme pressure additive, and a thiadiazole extreme pressure additive, wherein each of the components (A), (B) and (C) is in an amount of 10% by weight or less based on the total weight of the grease composition.

Abstract: There is provided a lubricating composition including a lubricating base containing an asymmetric sulfurized oxymolybdenum dithiocarbamate of the formula (1); a symmetric sulfurized oxymolybdenum dithiocarbamate of the formula (2); and a phenolic or aminic antioxidant. (wherein R1 to R5 are each a hydrocarbon group, provided that R1 to R4 are not concurrently the same group; and X1 to X8 are each a sulfur atom or an oxygen atom.) This lubricating composition meets both the required solubility of additives in base oils and long drain properties concurrently.

Abstract: A lubricating oil composition is provided comprising a major amount of an oil of lubricating viscosity and a minor amount of at least one trinuclear molybdenum compound. Preferably, the trinuclear molybdenum compound is selected from those compounds having the formula Mo3SkL4Qz and mixtures thereof in which L is a ligand having organo groups with a sufficient number of carbon atoms to render the compound soluble in the oil, k varies from 4 through 7, Q is selected from the group of compounds having lone pair electrons including water, amines, alcohols, phosphines, and ethers, and z ranges from 0 to 5. In general, the organo groups of the mono-anionic ligands will be the same although they may be different, and they preferably are selected from alkyl, aryl, substituted aryl, and ether groups. For example, when L is a dialkyldithiocarbamate or a dialkyldithiophosphate, the alkyl groups will have from about 1 to 30 carbon atoms.

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: A lubricant composition is described, particularly for engine oils, comprising a base oil of viscosity from 3 to 26 cSt (mm2/s) at 100° C. and an antiwear additive combination comprising (a) an oil soluble or oil dispersible phosphorus-free organo-molybdenum compound, (b) an ashless, sulfur-containing organo-phosphorus compound, and optionally (c) a zinc thiophosphate compound selected from one or more of zinc dialkyldithiophosphate, zinc diaiyldithiophosphate, zinc alkylaiyldithiophosphate and zinc arylalkyldithiophosphate. The molybdenum compound may be a carbamate, e.g., MoDTC but is preferably nitrogen-free, e.g., a carboxylate.

Abstract: There is disclosed a lubricating oil composition which contains from about 50 to 1000, preferably 50 to 500 parts per million of molybdenum from a molybdenum compound which is oil-soluble and substantially free of reactive sulfur, about 1,000 to 20,000, preferably 1,000 to 10,000 parts per million of a diarylamine and about 2,000 to 40,000 parts per million of a phenate. This combination of ingredients provides improved oxidation control and improved deposit control to the lubricating oil. The composition is particularly suited for use as a crankcase lubricant.

Abstract: Lubricating oil compositions having enhanced friction coefficient and wear properties are provided by compositions of an oil of lubricating viscosity with additives of molybdenum and diesters of aliphatic or aromatic dicarboxylic acids.

Abstract: The use of oil soluble organo molybdenum compounds in combination with phenolic or amenic antioxidants has been found to improve the dispersancy retention capability of crankcase lubricants. Thus in one embodiment the present invention comprises improving dispersancy retention of a crankcase lubricant by including in the crankcase lubricant composition an oil soluble organomolybdenum compounds and at least one of a phenolic or aminic antioxidant. Particularly preferred organomlybdenum compounds are molybdenum dithiocarbamates while a mixture of a diarylamine and two phenolic antioxidants are preferred.

Abstract: Disclosed is a lubricating composition having a major amount of an oil of lubrication viscosity and a minor amount of(A) at least one thiocarbamate wherein the improvement comprises adding to said thiocarbamate(B) a sludge preventing and seal protecting amount of at least one aldehyde or epoxide or mixtures thereof.

Abstract: A lubricating oil composition exhibiting improved fuel economy and wet clutch friction properties, which comprises: (a) an oil of lubricating viscosity; (b) at least one calcium or magnesium overbased detergent; (c) an oil soluble dimeric molybdenum compound; (d) an oil soluble organic trinuclear molybdenum compound; (e) at least one zinc dihydrocarbyldithiophosphate compound, wherein the composition has a TBN of at least 3.6 from the calcium or magnesium overbased detergent, a NOACK volatility of about 15 wt. % or less, molybdenum in an amount up to about 350 ppm from the trinuclear molybdenum compound, molybdenum in an amount up to 2,000 ppm from the dimeric molybdenum compound, and phosphorus in an amount up to about 0.1 wt. % from a zinc dihydrocarbyldithiophosphate compound.

Abstract: A grease composition for rolling bearing containing a thiocarbamate derivative represented by the formula (1): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are the same or different groups and denote a hydrocarbon group having 1 to 18 carbon atoms, and X denotes S--Cu--S, S--Ni--S, S, S--S, S--S--S--S, S--CH.sub.2 --S, S--(CH.sub.2).sub.2 --S or S--(CH.sub.2).sub.3 --S, in an amount of 0.05 to 10 mass % with respect to the total amount of the composition. The present grease composition exhibits a long flaking life.

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: An oil composition for continuously variable transmissions (CVT) comprising a base oil, (A) a sulfonate, (B) an ashless dispersant, (C) an acid amide, (D) an organomolybdenum compound, and (E) an amine antioxidant.The oil composition for CVT prevents the scratching phenomenon while the transmitted power is kept large in CVT of a belt type used for automatic transmissions of automobiles. The gradient in the .mu.-V characteristic can be kept positive for a long time.

Abstract: Disclosed is a lubricating oil composition, which comprises a base oil and additives of (A) a dithiocarbamate compound and (B) a condensate of a branched chain fatty acid having from 8 to 30 carbon atoms and an amine, and optionally (C) an amine-type antioxidant. The composition has an excellent shudder-preventing ability and has a long shudder-preventing life.

Abstract: A grease composition for rolling bearings is disclosed which contains:(A) 100 parts by weight of a base oil having the kinematic viscosity of 40 to 200 mm.sup.2 /s at 40.degree. C.,(B) 5 to 65 parts by weight of a urea thickener, and(C) 0.05 to 10 parts by weight of zinc dithiocarbamate,the composition being free of boron nitride. This grease composition is suitable for application to rolling bearings in electrical components and accessory devices for automotive vehicles, such as alternators, electromagnetic clutches for car air conditioners, idle pulleys, electric fan motors, or the like.

Abstract: This invention relates to synergistic antiwear compositions comprising an organomolybdenum complex and an organic sulfuir compound selected from 2,5-dimercapto-1, 3,4-thiadiazole derivatives, bisdithiocarbamate esters, metal dithiocarbamates, metal phosphorodithioates and phosphorodithioate esters. The organomolybdenum complex is a reaction product prepared by reacting 1 mole fatty oil, 1.0 to 2.5 moles diethanolamine and a molybdenum source.Lubricating compositions containing the synergistic compositions possess good antiwear properties and improved oxidation stability.

Abstract: A grease composition for constant velocity joints comprising: (a) a base oil; (b) a diurea thickener of the formula (1):R.sup.1 NH--CO--NH--C.sub.6 H.sub.4 -p-CH.sub.2 --C.sub.6 H.sub.4 -p-NH--CO--NHR.sup.2wherein R.sup.1 and R.sup.2 may be the same or different and represent aryl groups having 6 or 7 carbon atoms or cyclohexyl groups; (c) a molybdenum dialkyldithiocarbamate; (d) molybdenum disulfide; (e) at least one extreme pressure agent selected from the group consisting of zinc dithiophosphates, and sulfur-nitrogen extreme pressure agents; and (f) a phosphorus-free sulfur extreme pressure agent. The grease composition has low coefficient of friction, good performance for reducing induced thrust and high durability.

Abstract: Multifunctional molybdenum compounds, which are the reactive product of molybdenum dithiocarbamates and (non-metal containing) dihydrocarbyl dithiophosphoric acids, and the oils that contain them are new compositions which are useful as lubricant additives. They impart to the lubricant formulations to which they are added low friction and excellent friction retention properties.

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: The invention relates to lubricant compositions which contain (1) specific organometallic compounds, or (2) a specific organometallic compound and an ashless sulfur compound, or (3) an organomolybdenum compound and an ashless sulfur compound having a specific group, or (4) a specific organometallic compound and a phosphorus compound, or (5) an organonickel compound, or (6) a specific organometallic compound. The lubricant compositions of the invention not only can impart far higher load bearing properties and extreme-pressure properties than conventional ones to members to which the compositions are applied, but also show an excellent lubricating performance at high temperatures.

Abstract: There is disclosed a lubricating oil for internal combustion engine which comprises:a mineral oil and/or a synthetic lubricating oil as a base oil, and oxymolybdenum dithiocarbamate sulfide expressed by the chemical formula (1): ##STR1## wherein R.sub.1 or R.sub.1 and R.sub.3 denote a branched aliphatic hydrocarbon group having not less than fourteen carbons, and R.sub.2 through R.sub.4 or R.sub.2 and R.sub.4 denote an aliphatic hydrocarbon group having not less than four carbons, in the amount of 0.005 to 0.2% by weight, when calculated as molybdenum (Mo).

Abstract: A lubricating oil for improving the fuel economy of internal combustion engines is disclosed comprising a major amount of a lubricating oil base stock and a minor amount of an additive package which comprises in combination a molybdenum dithiocarbamate friction modifier, a mixture of calcium and magnesium salicylate and magnesium sulfonate detergent, and alkylated (alkoxy) amine. In addition the engine lubricant can include other typical engine oil lubricant additives including dispersants, anti-foaming agents, anti-oxidants, anti-wear additives, demulsifiers, etc.

Abstract: A lubricating oil composition which exhibits improved fuel economy and fuel economy retention which contains the combination of (a) a dithiocarbamate of the formula R.sub.1 (R.sub.2)N--C(:S)--S--(CH.sub.2).sub.n --S--(:S)C--N(R.sub.2)R.sub.1 where n is 1-4 and R.sub.1 and R.sub.2 are C.sub.1 -C.sub.20 alkyl and (b) an oil soluble trinuclear friction modifying molybdenum compound, the two components functioning to provide an improvement in the friction reducing properties of the composition.

Abstract: A lubricating composition of the present invention comprises a base oil for lubricating oil or base grease; at least one molybdenum compound as component (A) selected from the group consisting of a selected sulfurized oxymolybdenum dithiocarbamate, a selected sulfurized oxymolybdenum dithiophosphate and a selected molybdenum amine compound; and a (poly)glycerol ether and/or a (poly)oxyalkylene glycol monoalkyl ether as component (B).

Abstract: A grease composition for constant-velocity joints which is prepared by blending a lube base oil with (A) a urea-urethane thickening agent comprising a mixture of(a) 20 to 95 mole % of a diurea compound of the formula (1): ##STR1## (b) 4 to 50 mole % of a urea-urethane compound of the formula (2): ##STR2## and (c) 1 to 50 mole % of a diurethane compound of the formula (3): ##STR3## with each mole percentage being based on the total amount of the components (a) to (c), wherein a ratio of the total number of R.sup.2 --NH--, R.sup.3 --NH-- and R.sup.5 --NH-- groups contained in the mixture to the total number of R.sup.6 --O--, R.sup.8 --O-- and R.sup.9 --O-- groups contained therein lies between 40:60 and 95:5,(B) at least one compound selected from oxidized paraffins, diphenyl hydrogenphosphite and hexamethylphosphoric triamide, and(C) at least one organomolybdenum compound selected from molybdenum dithiophosphate and molybdenum dithiocarbamate.

Abstract: This invention relates to antioxidant compositions comprising (A) at least one secondary diarylamine, (B) at least one sulfurized olefin and/or sulfurized hindered phenol, and (C) at least one oil soluble molybdenum compound. These antioxidant compositions are highly effective at providing oxidative stability to lubricating compositions, especially for highly saturated, low sulfur lubrication base oils.

Abstract: A process for oxidizing primary and secondary alcohols to the corresponding aldehydes and ketones is disclosed. The oxidation is carried out by reacting the primary or secondary alcohol with an organic N-chloro compound oxidizing agent in the presence of a catalyst of the formula: ##STR1## wherein the substituent groups are as defined in the specification.

Abstract: There is disclosed a lubricating oil composition which contains from about 100 to 450 parts per million of molybdenum from a molybdenum compound which is substantially free of active sulfur and about 750 to 5,000 parts per million of a secondary diarylamine. This combination of ingredients provides improved oxidation control and friction modifier performance to the lubricating oil. The composition is particularly suited for use as a crankcase lubricant.