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| Number | Title | Issue Date |
| 7378379 | Functionalized polymer composition for grease A grease composition containing a polymer with (a) monomers (i) at least one unsaturated α,β-carboxylic acid ester containing an alkyl group with about 10 to about 20 carbon atoms; and (ii) at least one unsaturated α,β-carboxylic acid ester containing an alkyl g... | 05/27/2008 |
| 7018957 | Method of using high molecular weight demulsifiers Homopolymers and copolymers of an esterified reaction product of an epoxidized mono-hydroxyl alcohol and a free radical polymerizable monomer are highly effective demulsifying agents. The molecular weight of the polymer is between from about 10,000 to about 500,000.... | 03/28/2006 |
| 6858567 | Lubricating oil composition and watch using the same The first lubricating oil composition of the invention comprises a polyol ester (A) as a base oil, a specific amount of a viscosity index improver (B) and a specific amount of an anti-wear agent (C), and the second lubricating oil composition of the invention compri... | 02/22/2005 |
| 6475963 | Carboxylate-vinyl ester copolymer blend compositions for lubricating oil flow improvement Compositions for improving at least the low temperature flow properties of high viscosity index, high saturates, low sulfur lubricating oils (also known as American Petroleum Institute Group II and Group III oils). The compositions comprise a mixture of l... | 11/05/2002 |
| 6136760 | Reducing low temperature scanning brookfield gel index value in engine oils (LAW798) A lubricant composition containing both a dialkyl fumarate-vinyl acetate low temperature flow improver and sorbitan fatty acid ester or a polyoxyalkylene sorbitan fatty acid ester has reduced Gel Index.... | 10/24/2000 |
| 6017370 | Fumarate copolymers and acylated alkanolamines as low temperature flow improvers The low temperature flow properties of wax-containing liquids are improved by adding a composition comprising (i) a polymer of a C8-20 alkyl ester of an ethyleneically unsaturated 1,2-diacid, and (ii) the reaction product of an alkanolamine wit... | 01/25/2000 |
| 5939365 | Lubricant with a higher molecular weight copolymer lube oil flow improver A lubricant which comprises: a mineral oil basestock which has been dewaxed via catalytic cracking and/or catalytic isomerization; an alkylene-alkylene copolymer; and a lubricating oil flow improver formed from the reaction product of: (a) an unsaturated ... | 08/17/1999 |
| 5866519 | Automatic transmission fluids of improved viscometric properties This invention provides a composition and method for producing partial synthetic automatic transmission fluids having improved shear-stability and low temperature properties without the need to incorporate polymeric viscosity modifiers.... | 02/02/1999 |
| 5716915 | Oil compositions Additives having certain hydrocarbyl groups improve the low temperature properties of hydrocarbon oils.... | 02/10/1998 |
| 5646099 | Automatic transmission fluids of improved viscometric properties This invention provides a composition and method for producing partial synthetic automatic transmission fluids having improved shear-stability and low temperature properties without the need to incorporate polymeric viscosity modifiers.... | 07/08/1997 |
| 5554200 | Oil additives and compositions Compositions comprising two or more ethylene-unsaturated ester copolymers differing in their ester proportions improve the low temperature properties of fuel oils.... | 09/10/1996 |
| 5538651 | Additive to improve fluidity of oil solutions of sheared polymers A composition comprising (A) an ethylene-alpha olefin-bicyclic non-conjugated diene copolymer, wherein the alpha olefin contains from 3 to about 24 carbon atoms; (B) at least one organic sulfur containing compound selected from the group consisting of mer... | 07/23/1996 |
| 5112510 | Carboxylate polymer and viscosity index improver containing oleaginous compositions A lubricating oil composition exhibiting improved flow properties, specifically low temperature flow properties, and viscometric properties, particularly low temperature viscometric properties comprising lubricating oil and (i) an amount effective to impr... | 05/12/1992 |
| 5011505 | Flow improvers and cloud point depressants Additives suitable for improving the flow and/or depressing the cloud point of crude oils, lubricating oils and especially fuel oils are polymers containing defined alkyl groups of at least 8 carbon atoms chain length. Such polymers are either (a) of a mi... | 04/30/1991 |
| 4963279 | C14-carboxylate polymer and viscosity index improver containing oleaginous compositions A lubricating oil composition comprising lubricating oil and (i) an amount effective to improve the low temperature flow properties of said lubricating oil composition of additive consisting essentially of at least one law molecular weight polymer or interpoly... | 10/16/1990 |
| 4891145 | Lubricating oil composition The invention concerns a lubricating oil containing less than 3 wt. % of a mixture of (1) a lubricating oil pour depressant and (2) a polyoxyalkylene ester, ether, ester/ether or mixture thereof containing one or more C10 to C30 alky... | 01/02/1990 |
| 4839074 | Specified C14 -carboxylate/vinyl ester polymer-containing compositions for lubricating oil flow improvement Compositions are disclosed for improving at least the low temperature flow properties of lubricating oils. The compositions are dual additives including a first component which is a polymer or interpolymer of a C14 carboxylate, such as a C... | 06/13/1989 |
| 4772674 | Solventless process for producing dialkyl fumarate-vinyl acetate copolymers Process for the bulk polymerization of vinyl acetate with a diester are disclosed which are carried out in the absence of a solvent and including reacting the vinyl acetate and fumaric acid diester with a peroxide catalyst at specified molar ratios and up... | 09/20/1988 |
| 4758365 | Polymeric additives useful for inhibition of the deposit of paraffins in crude oils This invention relates to polymeric additives useful for inhibition of the deposit of paraffins and improvement of the flow properties of crude oils and to compositions containing crude oils and such additives. The polymeric additive according to the inve... | 07/19/1988 |
| 4634550 | Pour depressant A pour depressant for hydrocarbon oils, such as hydrotreated shale oil, and a method for depressing the pour point of hydrocarbon oil utilizing the pour depressant are disclosed. The depressant comprises the combination of: I. an asphaltenic material with... | 01/06/1987 |
| 4370247 | Gear and axle oil composition A gear and axle oil composition comprises (a) conventional gear/axle grade mineral oil; (b) a polyoxyalkylene glycol of viscosity from 5 to 30 cSt at 100° C.; and (c) at least one di-C8 to C12 alkyl ester of a dicarboxylic acid. The... | 01/25/1983 |
| 4162985 | Multigrade lubricants containing interpolymers Oil compositions useful as lubricants and multigraded between SAE 75W and SAE 250 can be made by combining (A) about 95 to about 30 weight percent of a base oil consisting of an oil having a viscosity of about 40 to 2000 SUS at 100° F., (B) an extreme pr... | 07/31/1979 |
| 4088589 | Dual pour depressant combination for viscosity index improved waxy multigrade lubricants Multigrade lubricating oils blended from petroleum distillates and, if desired, a bright stock containing waxy or wax-like components and modified by the presence of copolymeric ethylene-higher alpha-olefins viscosity index improving agents have their low... | 05/09/1978 |
| 4073737 | Hydrogenated copolymers of conjugated dienes and when desired a vinyl aromatic monomer are useful as oil additives A hydrogenated copolymer produced by copolymerization of from about 1 to about 10 mol percent butadiene and at least one other C5 to C12 conjugated diene, and, if desired, in order to provide a block copolymer, up to 45 mole percent ... | 02/14/1978 |
| 4016087 | Surface treating agent for processing of metals A surface treating agent for processing of metals, comprising (A) a water-soluble thermoplastic synthetic resin having a glass transition temperature of 60 to 90° C and an average molecular weight of 15,000 to 50,000 which is obtained by copolymerizing (... | 04/05/1977 |
| 3997455 | Paraffinic base greases Greases containing a calcium or calcium/lead complex thickener, a terpolymer improver and a paraffinic base lubricating vehicle. The greases have a thicker consistency than is normally obtained with paraffinic base stocks. They are produced by introducing... | 12/14/1976 |
| 3959159 | Nitrogen-containing mixed esters and lubricants This invention is directed to a nitrogen-containing mixed ester of a carboxy-interpolymer having a reduced specific viscosity of from about 0.05 to 2.0. The carboxy-interpolymers, from which the mixed esters are obtained, are derived from at least one mon... | 05/25/1976 |
| 3956149 | Nitrogen-containing esters and lubricants containing same This invention is directed to a nitrogen-containing ester of a carboxy-interpolymer having a reduced specific viscosity ranging from about 0.05 to 2.0. The carboxy-interpolymers, from which the nitrogen-containing esters are obtained, are derived from at ... | 05/11/1976 |
