Class / Patent application number | Description | Number of patent applications / Date published |
508290000 | Additional oxygen attached directly or indirectly to the hetero ring by nonionic bonding | 24 |
20080318815 | SYNERGISTIC LUBRICATING OIL COMPOSITION CONTAINING A MIXTURE OF A NITRO-SUBSTITUTED DIARYLAMINE AND A DAIRYLAMINE - Disclosed is a lubricating oil composition containing an oil of lubricating viscosity and a particularly effective mixture of a nitro-substituted diphenylamine and a diarylamine which together provide superior oxidation inhibition. | 12-25-2008 |
20090156445 | LUBRICANT COMPOSITION SUITABLE FOR ENGINES FUELED BY ALTERNATE FUELS - A lubricant composition suitable for use in engines fueled by gasoline or biorenewable fuels or both, comprising an oil of lubricating viscosity and a dispersant system is disclosed herein. Also disclosed is an emulsion composition comprising a biorenewable fuel, an oil of lubricant viscosity, and a dispersant system. A method of reducing aqueous separation in an emulsion composition is also disclosed. | 06-18-2009 |
20090192062 | Phosphorus molybdenum compound and method for producing same - Provided is a phosphorus molybdenum amine compound, represented by the following general formula (1). | 07-30-2009 |
20100160194 | POST-TREATED ADDITIVE COMPOSITION AND METHOD OF MAKING THE SAME - An oil-soluble lubricating oil additive composition prepared by the process which comprises reacting (A) reacting a copolymer of an (i) an unsaturated acidic reagent; and (ii) a mono-olefin, with at least one linking hydrocarbyl di-primary amine, thereby producing a hybrid succinic anhydride copolymer having from about 10% to about 90% unreacted anhydride groups; and subsequently (B) reacting the hybrid succinic anhydride copolymer with a second amine compound, thereby producing the succinimide; and (C) reacting the succinimide with at least one post-treating agent selected from a cyclic carbonate, a linear mono-carbonate, a linear poly-carbonate, an aromatic polycarboxylic acid, an aromatic polycarboxylic anhydride, an aromatic polycarboxylic acid ester, or mixtures thereof. | 06-24-2010 |
20120135899 | Lubricating Composition Containing Friction Modifier and Viscosity Modifier - A lubricant composition suitable for lubricating an internal combustion engine comprises: (a) an oil of lubricating viscosity having a viscosity index of at least 105 and a kinematic viscosity at 100 C of less than 7 mm2s-1; (b) 0.01 to 2 weight percent of a friction modifier represented by the structure [I]; (c) 0.5 to 4 weight percent of a poly(meth)acrylate viscosity modifier polymer; (d) 0 to 500 parts per million by weight of molybdenum in the form of an oil-soluble molybdenum compound; and (e) 0 to 200 parts per million by weight of boron in the form of an oil-soluble boron compound. | 05-31-2012 |
20140038867 | MIGRATION OF AIR RELEASE IN LUBRICANT BASE STOCKS - A method of improving air release in lubricant base stocks and lubricating oils is provided. The method includes providing a Group I base stock, a Group II base stock or a combination thereof and adding to the base stock an effective amount of C | 02-06-2014 |
20140073543 | Stabilized Blends Containing Friction Modifiers - The present invention relates to functional fluid compositions containing friction modifiers, and specifically stable compositions containing friction modifiers with limited solubility in and/or limited compatibility with the functional fluids with which they are used. In particular the present invention deals with functional fluids used in internal combustion engines, such as engine oils, and friction modifiers derived from hydroxy-carboxylic acids, where the friction modifier is present in the functional fluid composition at levels that would otherwise cause the composition to be unstable and/or hazy. | 03-13-2014 |
508291000 | Nitrogen attached indirectly to the hetero ring by nonionic bonding (e.g., bis-succinimide compounds, etc.) | 17 |
20100173813 | Titanium Compounds and Complexes as Additives in Lubricants - A lubricating composition comprising an oil of lubricating viscosity, 1 to 1000 parts per million by weight of titanium in the form of an oil-soluble titanium-containing material, and at least one additional lubricant additive provides beneficial effects on properties such as deposit control, oxidation, and filterability in engine oils. | 07-08-2010 |
20100173814 | Titanium Compounds and Complexes as Additives in Lubricants - A lubricating composition comprising an oil of lubricating viscosity, 1 to 1000 parts per million by weight of titanium in the form of an oil-soluble titanium-containing material, and at least one additional lubricant additive provides beneficial effects on properties such as deposit control, oxidation, and filterability in engine oils. | 07-08-2010 |
20110028364 | FRICTION MODIFIER AND TRANSMISSION OIL - A bis-type alkenyl-substituted succinimide which is prepared by reaction of succinic anhydride substituted with 2-alkenyl group having a branch structure in β-position with alkylenepolyamine and its derivatives derived from the bis-type alkenyl-substituted succinimide by post-treatment are of value as friction modifiers, particularly for incorporation into lubricating oils for automatic transmissions. | 02-03-2011 |
20110245121 | Natural gas engine lubricating oil compositions - A natural gas engine lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity, (b) one or more phosphorus-containing anti-wear additives, (c) one or more ashless dispersants, (d) one or more alkaline earth metal salts of an alkyl-substituted hydroxyaromatic carboxylic acid, and (e) one or more antioxidants, wherein the natural gas engine lubricating oil composition contains no more than about 0.03 weight percent of phosphorus, based on the total weight of the natural gas engine lubricating oil composition, and further wherein the natural gas engine lubricating oil composition is substantially free of any alkali metal-containing detergents. | 10-06-2011 |
20120010112 | ACID-FREE QUATERNIZED NITROGEN COMPOUNDS AND USE THEREOF AS ADDITIVES IN FUELS AND LUBRICANTS - The present invention relates to novel acid-free quaternized nitrogen compounds, to the preparation thereof and to the use thereof as a fuel and lubricant additive, more particularly as a detergent additive, as a wax antisettling additive (WASA) or as an additive for reducing internal diesel injector deposits (IDID); to additive packages which comprise these compounds; and to fuels and lubricants thus additized. The present invention further relates to the use of these acid-free quaternized nitrogen compounds as a fuel additive for reducing or preventing deposits in the injection systems of direct-injection diesel engines, especially in common-rail injection systems, for reducing the fuel consumption of direct-injection diesel engines, especially of diesel engines with common-rail injection systems, and for minimizing power loss in direct-injection diesel engines, especially in diesel engines with common-rail injection systems. | 01-12-2012 |
20120149618 | Method for improving fluorocarbon elastomer seal compatibility - Disclosed is a method for improving compatibility of a fluorocarbon elastomer seal with a lubricating oil composition containing (a) a major amount of a base oil of lubricating viscosity; and (b) one or more dispersants containing one or more basic nitrogen atoms. The method involves adding to the lubricating oil composition an effective amount of one or more fluorocarbon elastomer compatibility improving agents comprising one or more non-halogen-containing oil-soluble titanium complexes comprising at least one ligand selected from the group consisting of (i) an anion of a saturated carboxylic acid, (ii) an anion of an α-, β- or γ-hydroxycarbonyl compound; (iii) an anion of an α-, β- or γ-hydroxycarboxylic acid, amide, or ester; (iv) an anion of an α-, β- or γ-aminocarboxylic acid; and (v) an anion of an α-, β- or γ-keto acid. | 06-14-2012 |
20130040865 | SUCCINIMIDE COMPOUND, LUBRICATING OIL ADDITIVE, AND LUBRICATING OIL COMPOSITION - The present invention provides a succinimide compound represented by the following formula (1-1) or (1-2), and a lubricating oil additive and a lubricating oil composition which contain the succinimide compound. | 02-14-2013 |
20140107003 | Lubricating Composition Containing a Dispersant - The invention provides a lubricating composition containing a lubricating composition comprising an oil of lubricating viscosity and a quaternised polyester salt. The invention further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition. The invention further relates to the use of the quaternised polyester salt as a dispersant. | 04-17-2014 |
20150024984 | FRICTION MODIFIERS FOR ENGINE OILS - An engine oil comprising a major amount of a base oil and a minor amount of an additive package, wherein the additive package comprises at least one friction modifier represented by the formula: | 01-22-2015 |
20150024985 | FRICTION MODIFIERS FOR LUBRICATING OILS - A lubricating oil comprising a major amount of a base oil and a minor amount of an additive package, and the additive package comprises at least one friction modifier selected from compounds of the formulae II, III and IV, and carboxylate salts thereof: | 01-22-2015 |
20150045267 | Internal Combustion Engine Lubricant - The invention provides a composition containing an oil of lubricating viscosity and an N-substituted malimide. The invention further relates to the use of the lubricating composition in an internal combustion engine. | 02-12-2015 |
20150094244 | LUBRICATING OIL COMPOSITIONS - A lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity, (b) an ashless dispersant, (c) at least one metal-containing detergent, (d) an antioxidant, and (e) an anti-wear agent, wherein the lubricating oil composition is free of any zinc dialkyl dithiophosphate compound and is substantially free of any phosphorus content is disclosed. | 04-02-2015 |
20150344807 | SYSTEM LUBRICATING OIL COMPOSITION FOR CROSSHEAD DIESEL ENGINE - The disclosure provides (i) a lubricating oil composition including a base oil (A) with a kinematic viscosity at 100° C. of 8.2-12.6 mm | 12-03-2015 |
20150353860 | AMINE TERMINATED AND HYDROXYL TERMINATED POLYETHER DISPERSANTS - The disclosed technology relates to a dispersant composition comprising the reaction product of a polyolefin acylating agent and an amine terminated or hydroxyl terminated polyether. In addition, the technology relates to lubricating compositions containing the dispersant composition and an optional synergistic amount of another dispersant, as well as methods of employing the dispersant composition in an engine and engine oils. | 12-10-2015 |
20150376539 | TARTARIC ACID DERIVATIVES IN HTHS FLUIDS - The present invention provides high-HTHS value lubricating compositions that have improved fuel economy performance. The present invention also provides methods of operating an internal combustion engine utilizing such compositions. The lubricating compositions of the invention utilize butane dioic imide compounds, such as tartrimides, and may also be low sulfur, low ash and low phosphorus, providing lower wear and friction and improved fuel economy. | 12-31-2015 |
20170233675 | VISCOSITY INDEX IMPROVER, METHOD FOR PRODUCING THE SAME AND LUBRICATING OIL COMPOSITION | 08-17-2017 |
508292000 | The oxygen is part of an ether linkage or is bonded directly to a benzene ring | 1 |
20090258803 | COPOLYMERS MADE WITH QUASI-LIVING POLYOLEFINS AND UNSATURATED ACIDIC REAGENTS, DISPERSANTS USING SAME, AND METHODS OF MAKING SAME - Copolymers made with quasi-living polyolefins and unsaturated acidic reactants, dispersants using same, and methods of making same are provided. Under one aspect, a copolymer of an unsaturated acidic reactant and high molecular weight polyolefin, wherein the polyolefin comprises an exo-olefin terminated quasi-living polymeric product, is provided. The quasi-living polymeric product is formed, e.g., by forming a quasi-living cationic polyolefin under suitable quasi-living conditions, and contacting the cationic polyolefin with an agent selected to convert the cationic polyolefin to the exo-olefin terminated quasi-living polymeric product. The cationic polyolefin can be formed, e.g., by one of (a) contacting a cationically polymerizable monomer with an initiator, in the presence of a Lewis acid; (b) ionizing a tert-halide terminated polyolefin with a Lewis acid; (c) contacting a preformed polyolefin with a Lewis acid; or (d) contacting a cationically polymerizable monomer with an inifer carrying at least two tertiary halogens under cationic polymerization conditions. | 10-15-2009 |