Abstract: The present invention provides a lubricating oil composition for transmissions which is improved in fuel saving properties and has excellent metal fatigue prevention properties and heat resistance. The lubricating oil composition comprises (A) a mineral base oil having a 100° C. kinematic viscosity of 1.5 mm2/s or higher and 3.5 mm2/s or lower, a pour point of ?25° C. or lower, a viscosity index of 110 or greater, a % CN of 2 or greater and 20 or less and a % CA of 3 or less, the lubricating oil composition having a 100° C. kinematic viscosity of 2.5 mm2/s or higher and 3.8 mm2/s or lower.

Abstract: The present disclosure relates to methods, systems, hydraulic fluids and additives for reducing the rate of surface current degradation for components in a hydraulic system, wherein the hydraulic system is exposed to phosphate-ester-based hydraulic fluid.

Abstract: A lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) one or more non-halogen-containing oil-soluble titanium complexes comprising at least one ligand comprising an anion of a carboxylic acid; (c) one or more dispersants; and (d) one or more detergents, wherein the lubricating oil composition is free of any zinc dialkyldithiophosphate.

Abstract: A lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) one or more non-halogen-containing oil-soluble titanium complexes comprising at least one ligand comprising an anion of a carboxylic acid; (c) one or more dispersants; and (d) one or more detergents, wherein the lubricating oil composition is free of any zinc dialkyldithiophosphate.

Abstract: A process for making a poly(alkyl epoxide). The process has the step of polymerizing one or more alkyl epoxide monomers in the presence of a cationic catalyst according to the following sequences: wherein R1, R2, R3, and R4 are hydrogen or alkyl moieties that, taken together, have a total of 1 to 80 carbons; wherein any of R1, R2, R3, and R4 can be linear or branched if it is an alkyl moiety; wherein “m” is an integer from 1 to 4; and wherein “n” is an integer from 2 to 120. There is also another process for making a poly(alkyl epoxide) using an initiator. There are also poly(alkyl epoxides). There is also a lubricant composition having a first lubricant base stock of one or more poly(alkyl epoxides) and a second lubricant base stock different than the first lubricant base stock.

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: The invention provides a lubricating oil composition comprising: a lubricating base oil having a kinematic viscosity at 100° C. of 1-10 mm2/s, a % Cp of 70 or greater and a % CA of not greater than 2; a first viscosity index improver of 0.01-10% by mass, based on the total weight of the composition, wherein the first viscosity index improver is a poly(meth)acrylate having a weight-average molecular weight of not greater than 100,000; and a second viscosity index improver of 0.01-50% by mass, based on the total weight of the composition, wherein the second viscosity index improver is a polymer having a weight-average molecular weight of 100,000 or greater and containing a structural unit represented by the following formula (1) in a proportion of 0.5-70 mol %, the composition having a kinematic viscosity at 100° C. of 4-12 mm2/s and a viscosity index of 140-300.

Abstract: A lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; and (b) an oil-soluble titanium compound of Formula I: wherein R1, R2, R3 and R4 are independently a C1-C20 alkoxy group, and further wherein the lubricating oil composition is free of any zinc dialkyldithiophosphate.

Abstract: An additive for lubricants exhibiting high oxidation stability, high thermal stability, and high Nox resistance, and having excellent functions as an extreme-pressure additive or wear-resistant agent and a lubricant composition containing the additive are provided The present invention provides an additive for lubricants comprising a phosphate ester derivative represented by the general formula [I]: wherein Y represents sulfur (S) or oxygen (O); R1 represents a monovalent organic group having 4 to 24 carbon atoms; R2 represents a divalent organic group having 1 to 6 carbon atoms; and n represents an integer of 1 to 3. The present invention also provides a lubricant composition containing the derivative.

Abstract: The invention relates to compositions for cables filling wherein a styrene-butadiene block copolymer with radial structure is used as a gelling agent. This polymer is obtained through styrene and butadiene sequential polymerization and subsequent reaction with a coupling agent preferably of type Cl4-nMRn, wherein M=Sn or Si, R is an alkyl or aryl group and n is an integer from 0 to 2, and hydrogenation of the resulting polymer. This type of copolymer brings a higher stability to the final properties of the gel as compared with the linear hydrogenated synthetic rubbers usually used in the prior art.

Abstract: The present invention relates to a method for inhibiting high temperature corrosion of corrosion prone metal surfaces by organic acid-containing petroleum streams by providing an effective corrosion-inhibiting amount of triphenylstibine, typically up to 1000 wppm, to the metal surface.

Abstract: The invention relates to compositions for cables filling wherein a styrene-butadiene block copolymer with radial structure is used as a gelling agent. This polymer is obtained through styrene and butadiene sequential polymerization and subsequent reaction with a coupling agent preferably of type Cl4-nMRn, wherein M=Sn or Si, R is an alkyl or aryl group and n is an integer from 0 to 2, and hydrogenation of the resulting polymer. This type of copolymer brings a higher stability to the final properties of the gel as compared with the linear hydrogenated synthetic rubbers usually used in the prior art.

Abstract: An aviation lubricating oil composition comprises a major amount of base stock oil and a minor amount of triaryltin polyphenyl ether wherein the triaryl groups are phenyl or phenoxyphenol. A method is disclosed for preparation of the tin compounds by reacting polyphenyl ether with t-butyllithium followed by quenching with triphenylstannyl halide.

Abstract: A fluid composition for use in fluid couplings has the superior anti-gelling properties of an organopolysiloxane base oil, is low in changes in viscosity and changes in torque, is stable and has extremely high durability, and is especially useful because of its viscosity as a fluid for "fan" couplings. The fluid composition according to the invention is provided, by adding at least one type of ferrocene derivative, in a weight ratio wherein the atomic iron content is 10 ppm to 5,000 ppm, selected from the group consisting of the compounds represented by the general formula (1) and the general formula (2) for an organopolysiloxane base oil having a viscosity of 50 mm.sup.2 /s to 20,000 mm.sup.2 /s at 25.degree. C. The compounds of general formula (1) may be represented by the following formula: ##STR1## wherein R.sub.1 and R.sub.2 are identical or different, and are each independently selected from the group consisting of C.sub.2-25 alkyl, alkenyl, cyclo-alkyl, and cyclo-alkenyl. Additionally, one of R.sub.

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.