Abstract: Lubricant compositions comprising a base oil, one or more antioxidants selected from a group consisting of N-?-naphthyl-N-phenylamine antioxidants and diphenylamine antioxidants; and a sulfur-containing additive comprising up to seven carbon atoms exhibit outstanding oxidative stability and non-corrosion properties. The N-?-naphthyl-N-phenylamine antioxidants plus diphenylamine antioxidants in total may be present from about 0.2 wt % to about 0.8 wt %, based on the total weight of the lubricant composition. The sulfur provided by the sulfur-containing additive may be present from about 50 ppm to about 1000 ppm by weight, based on the total weight of the lubricant composition.

Abstract: The present invention provides a refrigerating machine oil comprising at least one oxygen-containing oil having a carbon/oxygen molar ratio of 2.5 or more and 5.8 or less as a base oil, and the refrigerating machine oil being used with a trifluoroethylene refrigerant.

Abstract: Polythioether polymers, sealants containing polythioether polymers, and compounds useful as stabilizing monomers in the manufacture of polythioether polymers are provided. In many embodiments the polymers and sealants demonstrate reduced risk of spoilage that may be caused by low temperature storage of the polymer or uncured sealant. Compounds useful as stabilizing monomers include compounds according to formula I: CH2?CR1—CHR2—S—R3—S—CHR4—CR5?CH2 [I] wherein R1, R2, R4 and R5 are independently selected from —H, —CH3 or —C2H5, and wherein R3 is selected from divalent groups comprising 2-12 carbon atoms, 0-5 ether oxygen atoms and 0-5 thioether sulfur atoms, which may be straight, branched or cyclic.

Abstract: The present invention provides a refrigerating-machine oil composition which comprises the following ester additive (a) and the following ester base oil (b), the content of the ester additive (a) being 5-45 mass % with respect to the total amount of the refrigerating-machine oil composition. Ester additive (a): At least one ester of isotridecanoic acid with pentaerythritol Ester base oil (b): Polyhydric-alcohol esters comprising esters of two or more aliphatic monocarboxylic acids selected from among C4-9 aliphatic monocarboxylic acids with pentaerythritol.

Abstract: A working fluid for heat cycle contains trifluoroethylene and 2,3,3,3-tetrafluoropropene. The proportion of the total amount of trifluoroethylene and 2,3,3,3-tetrafluoropropene based on the entire amount of the working fluid is higher than 90 mass % and at most 100 mass %. The proportion of trifluoroethylene based on the total amount of trifluoroethylene and 2,3,3,3-tetrafluoropropene is at least 21 mass % and at most 39 mass %. The working fluid has a low global warming potential and suppressed self-decomposition property. A composition for a heat cycle system contains the working fluid and a heat cycle system employs the composition.

Abstract: A gear oil composition, a method for operating an automotive gear, and a method for improving performance of a gear oil that includes a) a major amount of a base oil having a lubricating viscosity; b) a polysulfide extreme pressure agent; and c) a reaction product of an acylated copolymer and a polyamine.

Abstract: An overbased sulphurised calcium phenate detergent additive, made from an aldylphenol, has oxyalkylated phenolic functional groups from unreacted alkylphenol starting material.

Abstract: The invention relates to compounds with the formula (II), where R is a C1- to C30-alkyl group, a C2- to C30-alkenyl group, a C6- to C18-aryl group, or a C7- to C30-alkylaryl group, AO is a C2-C4-alkoxy group, x is a number from 1 to 50, m is a number between 4 and 12, and to the use thereof in quantities of 0.0001 to 5% by weight relative to the oil content of the emulsion to be demulsified, for splitting water in oil emulsions.

Abstract: A process for producing a high viscosity functionalized metallocene polyalphaolefin (mPAO) fluid. The process includes providing a mPAO having a terminal double bond, said mPAO produced by the metallocene-catalyzed oligomerization or polymerization of an alpha-olefin feed; providing at least one of a substituted or unsubstituted alkyl thiol, aryl thiol, diphenylamine or naphthalene; and reacting, optionally in the presence of a catalyst or initiator, the mPAO having a terminal double bond with at least one of the substituted or unsubstituted alkyl thiol, aryl thiol, diphenylamine or naphthalene, under reaction conditions sufficient to produce the functionalized high viscosity mPAO fluid. The functionalized mPAO fluid has, as synthesized, a viscosity (Kv100) from 135 to 900 cSt at 100° C.; a viscosity index (VI) greater than 150; a pour point (PP) less than ?25° C.; a molecular weight distribution (Mw/Mn) less than 2.0; a residual unsaturation (Bromine Number) less than 2.

Abstract: Provided is a method of improving nitrile seal compatibility with a lubricating oil in an engine lubricated with the lubricating oil. The method includes using as the lubricating oil a formulated oil comprising a lubricating oil base stock as a major component and an alkylated aromatic base stock as a minor component. Nitrile seal compatibility is improved as compared to nitrile seal compatibility achieved using a lubricating oil containing a minor component other than the alkylated aromatic base stock, e.g., an ester. A lubricating engine oil comprising a lubricating oil base stock as a major component and an alkylated aromatic base stock as a minor component. The alkylated aromatic base stock is present in an amount sufficient for the lubricating oil to exhibit improved nitrile seal compatibility as compared to nitrile seal compatibility achieved using a lubricating oil containing a minor component other than the alkylated aromatic base stock.

Abstract: The disclosed invention relates to lubricant or functional fluid compositions containing viscosity index improvers in the form of self-healing polymers. The polymers may comprise one or more cleavable linkages, such as one or more disulfide bonds and/or one or more diene/dienophile linkages, to permit the polymer to reform if cleaved during use.

Abstract: Described are multi-ring antioxidant products comprising at least one sulfur-bridged aromatic hydrocarbon compound substituted on at least one of its aromatic rings by at least one sterically hindered 3,5-dihydrocarbyl-4-hydroxybenzyl moiety. Such products have the formula: R—Sn—R[—S—R]m wherein each R is, independently, an aromatic hydrocarbon group having 6-12 carbon atoms, wherein m is 0-20, wherein n is 1-6 when m is 0, and when n is 1, m is 1-20; and wherein at least one of R, R1, and R2 is substituted by at least one such sterically hindered moiety. The preparation of such products and their use as antioxidants in compositions normally susceptible to oxidative degradation in oxygen or air, e.g., liquid fuel and lubricants, are also described.

Abstract: The invention relates to a lubricating composition containing (a) an oil of lubricating viscosity, and (b) an oil soluble compound with a >N—R—N< group, wherein R may be a hydrocarbylene group. The invention further provides for the use of the lubricating composition for lubricating a limited slip differential.

Abstract: The lubricating oil composition for an internal combustion engine of the invention comprises a lubricating base oil having a urea adduct value of not greater than 4% by mass and a viscosity index of 100 or greater, an ash-free antioxidant containing no sulfur as a constituent element, and at least one compound selected from among ash-free antioxidants containing sulfur as a constituent element and organic molybdenum compounds.

Abstract: A gear oil additive composition and gear oil composition comprising a organic polysulfide having at least 30 wt % of a dialkyl polysulfide compound or mixture of dialkyl polysulfide compounds, a thiadiazole; and at least one ashless phosphorus-containing wear inhibitor compound is disclosed as having low yellow corrosion in axles and transmissions.

Abstract: Provided are lubricating engine oils including a lubricating oil base stock as a major component and an alkylated aromatic base stock as a minor component. One or more of engine wear and corrosion resistance are improved as compared to engine wear and corrosion resistance achieved using a lubricating oil containing a minor component other than the alkylated aromatic base stock, e.g., an ester having a D5293 viscosity of less than 10,000 cP at ?35° C. In an engine lubricated with the lubricating oil, one or more of engine wear and corrosion resistance are improved as compared to engine wear and corrosion resistance achieved using a lubricating oil containing a minor component other than the alkylated aromatic base stock, e.g., an ester having a D5293 viscosity of less than 10,000 cP at ?35° C. This improvement in engine wear and corrosion control means that engine oils can be formulated with very high saturate content base stocks such as PAOs or GTL stock while providing improved engine durability.

Abstract: The present invention relates to a method of lubricating a mechanical device by using a lubricating composition containing a thiadiazole-functionalised dispersant. The invention further provides a lubricating composition suitable for the mechanical device containing a thiadiazole-functionalised dispersant and a polysulphide.

Abstract: A composition that includes one or more compounds represented by the formula R1(X)R2 wherein R1 is an alkyl group having from 4 to 40 carbon atoms, R2 is an aliphatic group having from 4 to 20 carbon atoms, an aromatic group having from 6 to 20 carbon atoms, or a cycloaliphatic group having from 5 to 20 carbon atoms, and X is a heteroatom. The composition has a viscosity (Kv100) from 2 to 30 at 100° C., a viscosity index (VI) from 100 to 200, and a Noack volatility of no greater than 20 percent. The disclosure also relates to a process for producing the composition, a lubricating oil base stock and lubricating oil containing the composition, and a method for improving one or more of solubility and dispersancy of polar additives in a lubricating oil by using as the lubricating oil a formulated oil containing the composition.

Abstract: A gear oil additive composition and gear oil composition comprising a organic polysulfide having at least 30 wt % of a dialkyl polysulfide compound or mixture of dialkyl polysulfide compounds, a thiadiazole; and at least one ashless phosphorus-containing wear inhibitor compound is disclosed as having low yellow corrosion in axles and transmissions.

Abstract: A gear oil composition, a method for operating an automotive gear, and a method for improving performance of a gear oil that includes a) a major amount of a base oil having a lubricating viscosity; b) a polysulfide extreme pressure agent; and c) a reaction product of an acylated copolymer and a polyamine.

Abstract: To provide a lubricant for metallic material working and a method of press working a metallic material that makes it possible to improve the working accuracy of a press worked product and prolong the life of the die assembly beyond prior levels of life. [Solution] A lubricant for metallic material working comprises a mixture of a sulfur-based extreme pressure agent, an organic zinc compound, a calcium-based additive, and an ester compound, with lubricant base oil. The sulfur-based extreme pressure agent has a sulfur content of 5% by weight or higher based on the total weight of the lubricant. The organic zinc compound has a zinc content of 0.5% by weight or higher based on the total weight of the lubricant. The calcium-based additive has a calcium content of 0.5% by weight or higher based on the total weight of the lubricant. And the ester compound occupies a content of 1.0% by weight or higher based on the total weight of the lubricant.

Abstract: The present invention relates to an antiwear agent and lubricating compositions thereof. The invention further provides for a method of lubricating a driveline device or a grease application by employing a lubricating composition containing the antiwear agent.

Abstract: It is to provide a lubricating oil composition for a refrigerating machine that has a low global warming potential, and that is used for a refrigerating machine using a refrigerant having a particular structure, such as an unsaturated fluorinated hydrocarbon compound, which is a refrigerant capable of being used for existing car air conditioner system, air conditioners and the like, and that has excellent compatibility with a refrigerant and excellent thermal and chemical stability, in which the lubricating oil composition is used for a refrigerating machine using a refrigerant containing at least one fluorine-containing organic compound selected from compounds represented by the following molecular formula (A), or a combination of the fluorine-containing organic compound and a saturated fluorinated hydrocarbon compound, and contains a base oil and a sulfur-containing aromatic compound: CpOqFrRs (A), wherein R represents any one of Cl, Br, I and H; p represents an integer of from 1 to 6; q represents an integ

Abstract: A lubricating oil composition for internal combustion engines, containing a base oil, (A) at least one compound selected from disulfide compounds represented by the following general formula (I): R1OOC-A1-S—S-A2-COOR2??(I) and disulfide compounds represented by the following general formula (II): R7OOC—CR9R10—CR11(COOR8)—S—S—CR16(COOR13)—CR14R15—COOR12??(II), (B) an organomolybdenum compound, and (C) a phenol-based antioxidant and/or an amine-based antioxidant. The lubricating oil composition is a low ash, low phosphorus lubricating oil composition which is used for internal combustion engines such as gasoline engines, diesel engines and gas engines, which has improved oxidation stability and friction reducing effect, and which complies with environmental regulations.

Abstract: Lubricating varnish for coating a metal component or applied to a metal component, including a base coat as a matrix and at least one lubricant. At least one antiwear agent (5) is additionally included.

Abstract: The present invention provides a gear oil composition for vehicle driving systems, more specifically a gear oil composition for vehicle final reduction gears, which can improve a fuel-saving effect by reducing its viscosity and, at the same time, secure bearing fatigue life characteristics. The gear oil composition comprises a base oil (A) and another base oil (B), described below, and at least one species of additive for gear oil, and has a kinematic viscosity of 80 mm2/s or less at 40° C.: (A): a mineral-based oil and/or hydrocarbon-based synthetic oil having a kinematic viscosity of 3.5 to 7 mm2/s at 100° C., and (B): a mineral-based oil and/or hydrocarbon-based synthetic oil having a kinematic viscosity of 20 to 52 mm2/s at 100° C.

Abstract: The present invention provides a refrigerating machine oil, a compressor oil composition, a hydraulic oil composition, a metalworking oil composition, a heat treating oil composition, a lubricating oil composition for machine tools and a lubricating oil composition which comprise a lubricating oil base oil having % CA of not more than 2, % CP/% CN of not less than 6 and an iodine value of not more than 2.5.

Abstract: The present invention provides a refrigerating machine oil, a compressor oil composition, a hydraulic oil composition, a metalworking oil composition, a heat treating oil composition, a lubricating oil composition for machine tools and a lubricating oil composition which comprise a lubricating oil base oil having % CA of not more than 2, % CP/% CN of not less than 6 and an iodine value of not more than 2.5.

Abstract: The oil for metal working according to the invention is an oil for metal working comprising a triester of fatty acids and glycerin, wherein the content of oleic acid in the fatty acids is 40-98% by mass based on the total amount of the fatty acids. The oil for metal working of the invention can achieve a high level of machining performance without using a chlorine-based extreme pressure agent.

Abstract: Grease for a slide bearing, which can suppress unusual noise attributable to a slip caused between a shaft and a bearing when a machine is stopped. In slide bearing grease 24 supplied to between a slide bearing 16 formed of a porous sintered alloy-made bushing having pores 30 impregnated with lubricating oil 31 and a shaft 22 inserted in the slide bearing 16 and supported to be slidingly rotatable in the circumferential direction, the slide bearing grease 24 employs base oil having dynamic viscosity of 10-70 mm2/s at 40° C. and exuding under a load of the shaft 22 to form an oil film 35 between the slide bearing 16 and the shaft 22.

Abstract: Described are multi-ring antioxidant products comprising at least one sulfur-bridged aromatic hydrocarbon compound substituted on at least one of its aromatic rings by at least one sterically hindered 3,5-dihydrocarbyl-4-hydroxybenzyl moiety. Such products have the formula: R—Sn—R[—S—R]m wherein each R is, independently, an aromatic hydrocarbon group having 6-12 carbon atoms, wherein m is 0-20, wherein n is 1-6 when m is 0, and when n is 1, m is 1-20; and wherein at least one of R, R1, and R2 is substituted by at least one such sterically hindered moiety. The preparation of such products and their use as antioxidants in compositions normally susceptible to oxidative degradation in oxygen or air, e.g., liquid fuel and lubricants, are also described.

Abstract: A lubricant composition is disclosed that comprises lubricating oil and a mixture of at least two antioxidants, the first antioxidant being a substituted diphenylamine and/or a heterocyclic amine and the second antioxidant being a substituted phenol. 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 substituted diphenylamine and/or a heterocyclic amine and the second antioxidant being a substituted phenol.

Abstract: A lubricating composition with improved storage stability comprising a major amount of an oil of lubricating viscosity, at least one alkali metal borate, at least one polysulfide mixture having at least 40% dihydrocarbyl tetrasulfide or higher sulfides, and at least one non-acidic phosphorus compound comprised of a trihydrocarbyl phosphate and a dihydrocarbyl dithiophosphate derivative is disclosed. In addition to improved storage stability, the composition has improved wear performance when the ratio of polysulfides is controlled.

Abstract: In its broadest concept, the present invention relates to an improved gear oil comprising: a) a base oil having a viscosity range of 4 to 32 cSt at 100° C.; b) a maximum level of hydrocarbyl polysulfide with a minimum level of active S species; c) a dihydrocarbyl dithiophosphate ester or salt; and d) a dihydrocarbyl (mono)thiophosphate amine salt, essentially free of phosphite.

Abstract: A lubricating oil composition having superior storage stability and load-carrying effect is disclosed. The composition comprises four components: (1) an alkali metal borate; (2) an oil-soluble sulfur compound; (3) a trialkyl hydrogen phosphite; and (4) a mixture of greater than 50% neutralized acidic phosphates that are essentially free of monothiophosphates.

Abstract: A gear oil additive composition and gear oil composition comprising a organic polysulfide having at least 30 wt % of a dialkyl polysulfide compound or mixture of dialkyl polysulfide compounds, a thiadiazole; and at least one ashless phosphorus-containing wear inhibitor compound is disclosed as having low yellow corrosion in axles and transmissions.

Abstract: An oil composition for cutting and grinding by minimal quantity lubrication system and for sliding surface according to the present invention comprises an ester and a sulfur compound and/or a phosphorus compound.

Abstract: Lubricant compositions having improved load carrying capacity comprising an extreme pressure compound comprising a sulfur-containing compound, a load carrying capacity enhancing combination comprising a hydrocarbylamine compound and an alkylphosphorothioate compound, a friction modifier compound, and a diluent or base oil as applicable. These lubricant compositions can be used as industrial oils well-suited for the demands of geared device applications, such as in wind turbine gear-boxes and automotive gears and axles.

Abstract: The invention relates to compounds comprising an aryl sulfonate group, a spacer and a Y group, wherein Y represents CF3—(CH2)a—O—, SF5—, CF3—(CH2)a—S—, CF3CF2S—, [CF3—(CH2)a]2N— or [CF3—(CH2)a]NH—, a represents a whole number selected from the range of 0 to 5 or (formula I), Rf represents CF3—(CH2)r—, CF3—(CH2)r—O—, CF3—(CH2)r—S—, CF3CF2—S—, SF5—(CH2)r— or [CF3—(CH2)r]2N—, [CF3—(CH2)r]NH— or (CF3)2N—(CH2)r—, B represents a simple bond, O, NH, NR, CH2, C(O)—O, C(O), S, CH2—O, O—C(O), N—C(O)1C(O)—N, O—C(O)—N, N—C(O)—N, O—SO2 or SO2—O, R represents alkyl having 1 to 4 C-atoms, b represents 0 or 1 and c represents 0 or 1, q represents 0 or 1, at least one radical from b and q represents 1, and r represents 0, 1, 2, 3, 4 or 5. The invention also relates to a method for the production of said compounds and to the uses of said surface-active compounds.

Abstract: Provided is a lubricating oil composition for manual transmissions which has anti-seizure properties for shift forks and can provide manual transmissions with excellent shifting characteristics though it has a low viscosity and can save fuel to be used in automobiles. The lubricating oil composition for manual transmissions comprises a lubricating base oil with a kinematic viscosity at 100° C. of 4 to 6 mm2/s, on the basis of the total mass of the composition, (A) 0.14 to 0.20 percent by mass in terms of magnesium of magnesium sulfonate, (B) 0.14 to 0.18 percent by mass in terms of zinc of a specific zinc dithiophosphate, (C) 0.3 to 0.5 percent by mass in terms of sulfur of a sulfur-containing extreme pressure additive other than zinc dithiophosphate, and (D) 0.02 to 0.05 percent by mass in terms of phosphorus of an alkyl phosphite, and having a kinematic viscosity at 40° C. of 25 to 30 mm2/s.

Abstract: An oil composition for cutting and grinding by minimal quantity lubrication system and for sliding surface according to the present invention comprises an ester and a sulfur compound and/or a phosphorus compound.

Abstract: Electrical oil formulation comprising a base oil component and an additive, wherein (i) at least 80 wt % of the base oil component is a paraffin base oil having a paraffin content of greater than 80 wt % paraffins and a saturates content of greater than 98 wt % and comprising a series of iso-paraffins having n, n+1, n+2, n+3 and n+4 carbon atoms and wherein n is between 20 and 35; and (ii) an anti-oxidant additive; wherein the base oil component has a flash point of at least 170° C., as determined by ISO 2592.

Abstract: The present invention relates to compositions and methods for improving the melt processing of polymeric materials, and more particularly to the use of compatibilized polymer processing additives to enhance the melt processing of polymeric matrices.

Abstract: Oxidation stable oil formulation comprising a base oil composition comprising a mineral-derived naphthenic base oil, a mineral-derived paraffinic base oil, and/or a Fischer-Tropsch derived paraffinic base oil, a copper passivator and at most 0.1 wt % of an organic sulphur or phosphorus anti-wear additive.

Abstract: The present invention relates to a lubricating composition containing a sulphur-free metal salt of a hydrocarbyl-substituted phosphorus compound and an organo-sulphide. The composition has a sulphur content of greater than 0.3 weight percent of sulphur. The invention further provides for a method of lubricating a driveline device by using a lubricating composition.

Abstract: An oil-soluble additive composition and lubricating oil composition containing the same, comprising an organic sulfur-containing extreme pressure additive; a thiadiazole, wherein the thiadiazole does not contain a polycarboxylate moiety and the amount of dimercaptothiadiazole is from about 0.1 wt % to about 10 wt %; an amino phosphorus compound; and an alkyl or alkenyl succinic anhydride, used to reduce the corrosion of yellow metal components which are present in axles and transmissions.

Abstract: The present invention relates to the use of antioxidants in Fischer Tropsch derived products. The antioxidants of the present invention are preferably temporary antioxidants that may be removed after the period in which oxidation is expected by techniques such as simple distillation. The temporary antioxidants of the present invention are typically sulfur-containing compounds generated from sweetening light hydrocarbon streams.

Abstract: This invention relates to mineral oil based gear oils and transmission fluids which comprise a major amount of a mineral oil having an iodine number of less than 9 and where at least 55% of the saturates are aliphatic, and gear oil or transmission fluid additives. In one embodiment, the invention relates to a gear oil or transmission fluid composition comprising a major amount of lubricant basestock and at least one functional additive wherein a major amount of the lubricant basestock comprises a mineral oil having an iodine number of less than 9 and comprising at least 45% by weight of aliphatic saturates. These gear oils and transmission fluids have good viscosity and oxidation properties.

Abstract: This invention relates to a low cost, wear inhibitor containing novel dithiocarbamates with alkylthio and hydroxy substituents that can be used to formulate low phosphorus lubricants. In addition to wear inhibition, the dithiocarbamate compositions of the invention provide substantial oxidation protection to lubricating oils and are not detrimental to fuel economy.

Abstract: A lubricating composition with improved storage stability comprising a major amount of an oil of lubricating viscosity, at least one alkali metal borate, at least one polysulfide mixture having at least 40% dihydrocarbyl tetrasulfide or higher sulfides, and at least one non-acidic phosphorus compound comprised of a trihydrocarbyl phosphate and a dihydrocarbyl dithiophosphate derivative is disclosed. In addition to improved storage stability, the composition has improved wear performance when the ratio of polysulfides is controlled.