Class / Patent application number | Description | Number of patent applications / Date published |
508466000 | Polymer of alpha, beta-olefinically unsaturated dicarboxylic acid ester monomer, or of esterified alpha, beta-olefinically unsaturated dicarboxylic acid or anhydride monomer (e.g., copolymer of maleic acid ester and vinyl alkyl ether, etc.) | 6 |
20160046885 | BRANCHED POLYMERS AS VISCOSITY AND/OR FRICTION MODIFIERS FOR LUBRICANTS - Embodiments of branched polymer lubricant additives comprise a branched polymer and, when combined with a lubricant base at a concentration from 1 wt % to 50 wt %, provide (i) a viscosity index ≧150, (ii) that is at least 10% less than a coefficient of friction of the lubricant base alone in contact with a component of a device during operation of the device at a temperature within a range of 20 to 100° C., or (iii) both (i) and (ii). | 02-18-2016 |
508467000 | Monocarboxylic acid ester of olefinically unsaturated alcohol is an additional monomer of the polymer (e.g., dialkyl furmarate-vinyl acetate copolymer, etc.) | 1 |
20150018259 | Lubricant Composition Comprising a Bi-Modal Side-Chain Distribution LOFI - A lubricant composition is disclosed. The lubricant composition is made up of (a) an API Group III base stock; (b) one or more semi-crystalline viscosity modifier; and (c) one or more LOFIs having a side-chain distribution which satisfies the following requirements: (1) the distribution contains side chains ranging from C | 01-15-2015 |
508468000 | Olefin or alpha, beta-olefinically unsaturated carboxylate is an additional monomer of the polymer (e.g., fumarate-ethylene or fumarate-acrylate copolymers, etc.) | 4 |
20080312117 | High Viscosity Lubricant Copolymers - A copolymer suitable for the use in or as a lubricant, which copolymer includes an α-olefin and a di-ester of an α,β ethylenically unsaturated dicarboxylic acid. More particularly, a high molecular weight lubricating oil base fluid or additive includes a copolymer of α-olefins with chain lengths, for example from 12 to 18 carbon atoms, and a di-ester of an α,β ethylenically unsaturated dicarboxylic acid, with a C | 12-18-2008 |
20120329694 | Lubricating Composition Containing Viscosity Modifier Combination - The present invention relates to a lubricating composition containing (a) an oil of lubricating viscosity, (b) a star polymer and (c) a substantially linear polymer with a weight average molecular weight of 45,000 or less. The invention further provides a method of lubricating a mechanical device, typically a manual transmission with the lubricating composition. The invention further provides for the use of the lubricating composition to provide a number of benefits including lower operating temperatures and fuel economy | 12-27-2012 |
20130310290 | Novel Copolymers and Lubricating Compositions Thereof - The present invention relates to a copolymer comprising units derived from monomers (i) an α-olefin and (ii) an ethylenically unsaturated carboxylic acid or derivatives thereof esterified with a primary alcohol branched at the β- or higher position, wherein the copolymer has a reduced specific viscosity of up to 0.08. The invention further provides for a lubricating composition containing said copolymer. The invention further provides a method and use of controlling viscosity index by supplying to an oil of lubricating viscosity the copolymer with pendant groups. In addition, the copolymer of the present invention may be useful as a base oil replacement. | 11-21-2013 |
20140113847 | HIGH VISCOSITY INDEX LUBRICATING OIL BASE STOCK AND VISCOSITY MODIFIER COMBINATIONS, AND LUBRICATING OILS DERIVED THEREFROM - A lubricating composition including a first base stock component including: one or more metallocene catalyzed polyalphaolefins (mPAOs), each mPAO having a kinematic viscosity (Kv | 04-24-2014 |