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Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions March list of patents 03/08

20080070815 - Low friction sliding mechanism: A low friction sliding mechanism employed in an internal combustion engine of an automotive vehicle. The low friction sliding mechanism includes first and second sliding members which are in slidable contact with each other. At least one of the first and second sliding members has a sliding surface portion whose... Agent: Foley And Lardner LLP Suite 500

20080070816 - Process for recovering used lubricating oils using clay and centrifugation: A process for recovering used lubricating oils, and oils recovered using the process. In a first embodiment (for used industrial oils), the used lubricating oil is mixed with clay in a reactor. The mixture is preferably heated to between 80 and 200 degrees Celsius. The temperature should not be too... Agent: Stephen Christopher Swift Swift Law Office

20080070817 - Lubricants or lubricant additives composed of ionic liquids containing ammonium cations: A lubricant or lubricant additive is an ionic liquid alkylammonium salt. The alkylammonium salt has the structure RxNH(4-x)+,[F3C(CF2)yS(O)2]2N− where x is 1 to 3, R is independently C1 to C12 straight chain alkyl, branched chain alkyl, cycloalkyl, alkyl substituted cycloalkyl, cycloalkyl substituted alkyl, or, optionally, when x is greater than... Agent: Akerman Senterfitt

20080070818 - Lubricating oil composition: A lubricating oil composition including at least one sulphurized overbased metal phenate detergent prepared from a C9-C15 alkyl phenol, at least one sulphurizing agent, at least one metal and at least one overbasing agent. The detergent includes less than 6.0% by combined mass of unsulphurized C9-C15 alkyl phenol and its... Agent: Infineum Usa L.p.

20080064615 - Lubricating oil compositions for inhibiting coolant-induced oil filter plugging: Lubricating oil compositions are provided that inhibit coolant-induced oil filter plugging in heavy-duty diesel engines, and particularly CJ-4 and CI-4 PLUS compliant lubricating oil compositions that inhibit coolant-induced oil filter plugging in exhaust gas recirculation or recycle engines.... Agent: Fitch, Even, Tabin & Flannery

20080064616 - Fuel and oil detergents: This invention is directed to lubricating compositions which contain detergent-dispersant components derived from substantially linear alkylbenzenes including sulfonates, overbased sulfonates, and salts and esters thereof. Detergents provided by the invention have a low content of the 1-aryl isomers than materials of prior art. In addition, the detergents of the present... Agent: Huntsman Petrochemical Corporation

20080058230 - Resin-coated metal plate and method of drilling printed wiring board using the metal plate: A resin-coated metal plate used for drilling a printed wiring board is provided, by which a drilled hole excellent in smoothness of an inner wall can be provided at an accurate position with high quality and high efficiency under a high-density drilling condition in which drill entering speed is high,... Agent: Reed Smith LLP

20080058231 - Method for forming tetraoxy-silane derived antiwear films and lubricating oil compositions therefrom: Disclosed is a method for forming an antiwear film on an internal engine component comprising: contacting a surface of an internal wearing component of the engine with a tetra-functional hydrolyzable silane compound of the general formula Si—X4 or hydrolysis product thereof, wherein X is independently selected from the group consisting... Agent: Chevron Corporation

20080058232 - Tetraoxy-silane lubricating oil compositions: Disclosed are lubricating oil compositions comprising a major amount of an oil of lubricating viscosity and a tetra-functional hydrolyzable silane compound of the general formula Si—X4 or hydrolysis product thereof, wherein X is independently selected from the group consisting of hydroxyl, alkoxy, aryloxy, acyloxy, amino, monoalkyl amino and dialkyl amino.... Agent: Chevron Corporation

20080058233 - Transmission oil composition for automobile: A transmission oil composition for an automobile characterized in that it contains a base oil selected from the group consisting of a mineral oil, a synthetic oil and mixtures thereof; and a phosphate compound selected from the group consisting of (A) a zinc dithiophosphate having a hydrocarbon group, (B) a... Agent: Darby & Darby P.C.

20080058234 - Lubricating oil additive containing acrylic polymer and lubricating oil compositions: A lubricating oil additive containing at least one acrylic block copolymer having a weight-average molecular weight of 10,000 to 1,000,000 and a molecular weight distribution [ratio of weight-average molecular weight (Mw) to number-average molecular weight (Mn), i.e., Mw/Mn ratio] of 1.5 or below; and lubricating oil compositions containing the additive.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080058235 - Lubricative composition for industrial machinery and equipment: A lubricative composition for industrial machinery and equipment which comprises a base oil selected from among mineral oils, fats and oils, synthetic oils and mixture of two or more of them, and at least one additive selected from among the following components (A) to (D): component (A): (A-1) a phosphorus-containing... Agent: Weingarten, Schurgin, Gagnebin & Lebovici LLP