Patent application number | Description | Published |
20080269088 | 1,3,2-DIOXAPHOSPHORINANE, 2-SULFIDE DERIVATIVES FOR USE AS ANTI-WEAR ADDITIVES IN LUBRICANT COMPOSITIONS - The present disclosure relates to a non-acidic, sulfur-containing, phosphorus-containing compound of the formula I | 10-30-2008 |
20120214717 | NANOPARTICLE ADDITIVES AND LUBRICANT FORMULATIONS CONTAINING THE NANOPARTICLE ADDITIVES - A method for making a self-dispersing cerium oxide nanoparticles additive for lubricants, a lubricant composition containing the nanoparticles and a method for reducing boundary friction using the nanoparticles. The nanoparticles are made by an improved process of reacting a mixture of organo-cerium salt, fatty acid, and amine in the substantial absence of water and organic solvent at a temperature ranging from about 150° to about 250° C., the improvement comprising reacting the organo-cerium salt, fatty acid and amine in a molar ratio ranging from about 1:1:1 to about 1:2:2 in the reaction mixture to provide the reaction product comprising from about 20 to about 40% by weight of the nanoparticles in a substantially organic medium. | 08-23-2012 |
20120291737 | LUBRICANT COMPOSITIONS CONTAINING A HETEROAROMATIC COMPOUND - An ashless additive for lubricating oil compositions, lubricating oil compositions and methods for lubricating that are effective to improve the total base number (TBN) of a lubricant composition. The additive is a reaction product of a compound of the formula: | 11-22-2012 |
20130040866 | LUBRICANT COMPOSITIONS CONTAINING A FUNCTIONALIZED DISPERSANT - An engine lubricant composition, a method for maintaining the soot or sludge handling capability of an engine lubricant while not adversely affecting elastomeric seal material in the engine and a method of operating an engine. The engine lubricant includes a base oil and a dispersant. The dispersant is a reaction product of A) a hydrocarbyl-dicarboxylic acid or anhydride, B) a polyamine, C) a dicarboxyl-containing fused aromatic compound, and D) a non-aromatic dicarboxylic acid or anhydride. | 02-14-2013 |
20130281337 | 1,3,2-Dioxaphosphorinane, 2-Sulfide Derivatives For Use As Anti-Wear Additives In Lubricant Compositions - The present disclosure relates to a non-acidic, sulfur-containing, phosphorus-containing compound of the formula I | 10-24-2013 |
20140051619 | CALCIUM NEUTRAL AND OVERBASED MANNICH AND ANHYDRIDE ADDUCTS AS DETERGENTS FOR ENGINE OIL LUBRICANTS - A sulfur-free metal or ammonium salt compound, a method of making the compound, and a lubricant additive concentrate, and lubricant composition containing the compound. The compound is made by reacting a phenolic compound reacted with an aldehyde and an amine, with a compound selected from the group consisting of an acylating agent and an electrophilic compound. | 02-20-2014 |
20140066346 | 1,3,2-Dioxaphosphorinane, 2-Sulfide Derivatives For Use As Anti-Wear Additives In Lubricant Compositions - The present disclosure relates to a non-acidic, sulfur-containing, phosphorus-containing compound of the formula I | 03-06-2014 |
20140066646 | 1,3,2-Dioxaphosphorinane, 2-Sulfide Derivatives For Use As Anti-Wear Additives In Lubricant Compositions - The present disclosure relates to a non-acidic, sulfur-containing, phosphorus-containing compound of the formula I | 03-06-2014 |
Patent application number | Description | Published |
20080287328 | LUBRICATING COMPOSITION - There is disclosed a lubricant composition comprising major amount of a base oil and a minor amount of an additive composition comprising (i) a triazole compound substituted with an aryl moiety; (ii) at least one nitrogen containing compound chosen from an alkylated phenothiazine and a compound represented by the formula (I): | 11-20-2008 |
20090069205 | ADDITIVES AND LUBRICANT FORMULATIONS HAVING IMPROVED ANTIWEAR PROPERTIES - Lubricated surfaces, lubricant compositions for lubricating a surface, and methods for increasing antiwear properties in lubricants. The lubricated surface is provided by a lubricant composition including a base oil of lubricating viscosity, at least one metal salt of phosphorothioic acid, and an amount of at least one hydrocarbon soluble titanium compound effective to provide an increase in antiwear properties of the lubricant composition. A ratio of titanium metal to phosphorus in the antiwear agent ranges from about 0.3:1 to about 1.5:1. | 03-12-2009 |
20090075853 | RELEASE ADDITIVE COMPOSITION FOR OIL FILTER SYSTEM - A slow release liquid additive concentrate for use in an engine oil filter and a method for extending an oil drain interval for an engine. The additive concentrate has therein at least one detergent and at least one antioxidant. The additive concentrate has a tan delta of greater than about 5. | 03-19-2009 |
20090143265 | ADDITIVES AND LUBRICANT FORMULATIONS FOR IMPROVED ANTIOXIDANT PROPERTIES - A lubricating oil composition, additive concentrate, method of lubricating moving parts, a method of improving the oxidation stability of a lubricant formulation. The lubricating oil composition includes a base oil, a hydrocarbon soluble molybdenum compound, and an antioxidant effective amount of one or more polymeric compounds devoid of ester linkages. The polymeric compound may be represented by of the formula: | 06-04-2009 |
20090318318 | METHOD FOR MAKING A TITANIUM-CONTAINING LUBRICANT ADDITIVE - A method for making a titanium-containing lubricant additive, a lubricant additive concentrate made by the method and a lubricating composition containing the additive concentrate. The method includes reacting titanium alkoxide with water in a reaction medium that includes a dispersant to provide a homogeneous titanium-containing additive product. The additive product made by the method is substantially devoid of acidic components. | 12-24-2009 |
20090325831 | FUNCTIONALIZED OLEFIN COPOLYMER ADDITIVE COMPOSITION - An additive concentrate comprising a viscosity index modifying copolymer comprising the reaction product of an acylated ethylene-olefin copolymer and a polyamine, and lubricating compositions containing the same are provided. Methods of improving boundary film resistance of a lubricating composition and modifying the viscosity of a lubricating composition are also provided. | 12-31-2009 |
20100292113 | LUBRICANT FORMULATIONS AND METHODS - The embodiments described herein relate to particular formulations and methods that may provide improved fuel economy characteristics for an engine lubricant. The compositions and methods include a (a) a base oil; (b) a zinc dialkyldithiophosphate compound; and (c) a hydrocarbon soluble metal compound. The hydrocarbon soluble metal compound is devoid of phosphorus and sulfur atoms and the metal is selected from the group consisting essentially of selected from the group consisting essentially of cobalt, nickel, zinc, zirconium, manganese, vanadium, scandium, yttrium, tungsten, gold, platinum, and iron. A weight ratio of total metal in the lubricant composition from the zinc dialkyl-dithiophosphate compound and the hydrocarbon soluble metal compound to phosphorus in the lubricant composition ranges from greater than about 1.5 to 1 to about 15 to 1. | 11-18-2010 |