Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions inventions 10/07

20070249506 - Tribological materials and structures and methods for making the same: An article having a bearing surface with improved wear characteristics is provided. The article may be formed from a composition that includes a polymeric material, a lubricious and reinforcing additive, and a solid lubricant. Methods for forming the compositions and structures are also provided.... Agent: Edwards Angell Palmer & Dodge LLP

20070249507 - Hard carbon film and hard carbon film sliding member: Provided is a hard carbon film, which is to be used in a sliding member, more specifically, at a sliding site thereof in contact with a counter member. The hard carbon film contains at least one of cobalt and nickel in a total content within the range of more than... Agent: Foley And Lardner LLP Suite 500

20070249508 - Viscosity modifier for lubricating oils, additive composition for lubricating oils, and lubricating oils compositions: A viscosity modifier for lubricating oils or an additive composition for lubricating oils, which is excellent in oil-thickening properties and can provide lubricating oil compositions excellent in low-temperature characteristics and handleability at low temperatures; and lubricating oil compositions excellent in low-temperature characteristics and handleability at low temperatures. The viscosity modifier... Agent: Birch Stewart Kolasch & Birch

20070244016 - Low sap engine lubricant containing silane and zinc dithiophosphate lubricant additive and composition: The present invention is directed to a lubricating oil composition comprising a lubricating oil basestock, an organic silane containing additive of at least 0.1 and less than 2.0 weight percent of the composition, a dispersant-detergent-inhibitor system of less than 15 weight percent of the composition, an organic boron additive of... Agent: Exxonmobil Research And Engineering Company

20070244017 - Super overbased polyalkenyl sulfonate and alkylaryl sulfonate composition and process for making the same: The present invention is directed to super overbased polyalkenyl sulfonate and alkylaryl sulfonate composition comprising (a) one or more super overbased polyalkenyl sulfonates and (b) one or more super overbased alkylaryl sulfonates wherein the total base number (TBN) of the sulfonate composition is greater than 400. The present invention is... Agent: Chevron Corporation

20070244018 - Star polymers and compositions thereof: wherein R1 is hydrogen, a linear or branched alkyl group containing 1 to 5 carbon atoms; A is nitrogen or oxygen; and Y is a free radical leaving group selected from the group consisting of one or more atoms or groups of atoms which may be transferred by a radical... Agent: The Lubrizol Corporation Attn: Docket Clerk, Patent Dept.

20070238625 - Grease composition and additive for improving bearing life: Grease compositions, methods for using the grease compositions, additives for grease compositions, and equipment and vehicles containing the grease compositions for improved fretting wear performance. The grease composition includes a fully formulated grease base and an effective amount of a fretting wear reducing additive. The fretting wear reducing additive is... Agent: New Market Services Corporation

20070238626 - Metal containing hydraulic composition: The present invention relates to a lubricating composition containing an oil of lubricating viscosity, a metal containing antiwear agent and a metal containing dispersant. The invention further provides for a method for lubricating a hydraulic system.... Agent: The Lubrizol Corporation Attn: Docket Clerk, Patent Dept.

20070238627 - Gear lubricant with low brookfield ratio: Gear lubricant with a low Brookfield Ratio, comprising: a base oil having sequential carbon atoms, low aromatics, greater than 20 wt % molecules with cycloparaffins and a high ratio of monocycloparaffins to multicycloparaffins; less than 22 wt % of a second base oil having less than 40 wt % molecules... Agent: Chevron Corporation

20070238628 - Gear lubricant with a base oil having a low traction coefficient: A multigrade automotive gear lubricant comprising a base oil having a traction coefficient less than 0.021. A method for saving energy using a gear lubricant, comprising blending a multigrade gear lubricant by adding a base oil having a traction coefficient less than 0.021, and using the gear lubricant in an... Agent: Chevron Corporation

20070232502 - Sliding material and sliding bearing: A sliding material including a resinous porous article having an interconnected hole porosity of not less than 30% and a lubricating oil which impregnates the resinous porous article is disclosed. The resinous porous article has an interconnected hole formed by molding a resin mixed with a pore-forming substance into said... Agent: James V. Costigan Hedman & Cosatigan

20070232504 - High performance lubricant containing high molecular weight aromatic amine antioxidant and low boron content dispersant: A method for improving the seal integrity, oxidation resistance, thermal breakdown deposit protection of lubricating oil by combining a base stock and/or base oil with a high molecular weight aromatic amine and a low boron content dispersant.... Agent: Exxon Mobil Research And Engineering Company

20070232503 - Soot control for diesel engine lubricants: The present invention is directed to a method for controlling soot induced viscosity increase in diesel engines, by using as the diesel engine lubricant an oil formulation comprising a base oil containing about 10 to 80 wt % GTL base stock and/or base oil and/or hydrodewaxed or hydroisomerized/catalytic (or solvent)... Agent: Exxonmobil Research And Engineering Company

20070232505 - Method for reducing deposit formation in lubricant compositions: The deposit forming tendency of Group II, III and IV lubricating base oils is reduced by the use of synergistic mixtures of diphenylamines or phenyl-α-naphthylamines with triarylphosphites.... Agent: Exxonmobil Research And Engineering Company

20070232506 - Blends of lubricant basestocks with polyol esters: A lubricating composition is provided comprising a polyol ester which is the reaction product of a neopolyol with linear or branched monocarboxylic acids and mixtures thereof having from 1 to about 25 carbon atoms and a natural or GTL oil of lubricating viscosity and mixtures thereof and wherein the weight... Agent: Exxonmobil Research And Engineering Company