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| Number | Title | Issue Date |
| 7361629 | Additives for lubricants and fuels A multi-functional composition for use as an additive for fuels and lubricants. The composition includes an amination product of a hydrocarbyl substituted succinic acylating agent and a mixture containing an aliphatic polyamine and an aromatic polyamine. The molar r... | 04/22/2008 |
| 7358217 | Quenching oil compositions Quenching oil compositions comprising (1) an oil having kinematic viscosity (ASTM Test Method D-445) at 40° C. ranging from about 4 to about 45 mm2sec−1 (about 40 to about 210 Saybolt Universal Seconds (SUS)) and having a saturated content from about 80% to about... | 04/15/2008 |
| 7329772 | Method for the preparation of a hydroxyalkyl hindered phenolic antioxidant A method of making a hindered phenolic antioxidant is disclosed wherein the method comprises: reacting an ester of the formula: wherein ... | 02/12/2008 |
| 7285516 | Additive formulation for lubricating oils Lubricating oils containing an additive formulation including at least one sulphonate, saligenin and salixarate detergent provide improved wear performance and decreased sulphur and phosphorus emissions. ... | 10/23/2007 |
| 7150182 | High throughput screening methods for lubricating oil compositions A method for determining storage stability for a plurality of fluid lubricant samples of different lubricating oil compositions is provided. Each sample includes a combination of one or more base oils and one or more lubricating oil additives. The methods can advant... | 12/19/2006 |
| 7101830 | Gas engine lubricating oil composition A gas engine lubricating oil composition having a boron content of more than 95 ppm, the gas engine lubricating oil composition comprising: a major amount of a lubricating oil having a viscosity index of 80 to 120, and including at least 90 mass percent of saturates... | 09/05/2006 |
| 7041863 | Zeolite Y alkylation catalysts The present invention is directed to a zeolite Y catalyst having a controlled macropore structure. The present invention is also directed to a zeolite Y catalyst composite and a process for preparing the catalyst composite. The catalyst composite exhibits reduced de... | 05/09/2006 |
| 7026273 | Lubricating oil compositions A crankcase lubricating oil composition comprises an oil of lubricating viscosity, in a major amount, and, in respective minor amounts, a boron-containing additive and one or more co-additives, wherein the lubricating oil composition has greater than 200 ppm by mass... | 04/11/2006 |
| 6790813 | Oil compositions for improved fuel economy Oil compositions and formulated crankcase engine oils demonstrate improved fuel economy performance when comprising an overbased sulfonate detergent having a total base number greater than about 450 and which contain at least one other additive which includes a succ... | 09/14/2004 |
| 6774092 | Additive composition for gearbox oil Disclosed is an additive composition that can be mixed with various types of basic oils to produce a lubricant that can meet the international standards of manual truck gearbox oils. A preferred embodiment includes various quantities of an isobutylene sulfide, zinc ... | 08/10/2004 |
| 6605572 | Lubricating oil composition This invention relates to a lubricating oil composition, comprising: (A) a base oil and (B) a boron-containing compound represented by the formulae ##STR1## wherein in Formulae (B-I), (B-II) and (B-III), each R is independently an organic group and any tw... | 08/12/2003 |
| 6583092 | Lubricating oil composition This invention relates to a lubricating oil composition, comprising: (A) a base oil; (B) an alkali or alkaline earth metal salt of a saligenin derivative; (C) an alkali or alkaline earth metal salt of a hydrocarbon-substituted salicylic acid, and (D) a me... | 06/24/2003 |
| 6372697 | Use in a cold drawing lubricant, of a cobalt and/or nickel salt suspension as adhesive, lubricating, suspending agent and method for obtaining same This invention concerns the use, in a cold drawing lubricating solution, as adhesive and lubricating agent, for a steel wire trimmed with brass and rubber, of an aqueous suspension comprising at least a cobalt and/or nickel salt compound of a saturated or... | 04/16/2002 |
| 6339050 | Brake fluid composition for an automobile The present invention relates to a brake fluid composition comprising a base fluid, a metal corrosion inhibitor, and an antioxidant where said base fluid comprises 70 to 80 wt. % of glycol ether, 18 to 28 wt. % of boric acid ester and 0.8 to 1.2 wt. % of ... | 01/15/2002 |
| 6251840 | Lubrication fluids for reduced air entrainment and improved gear protection A lubricating/functional fluid composition which exhibits in use improved antiwear and antifoaming properties. The improvements result from use of 2,5-dimercapto-1,3,4-thiadiazole and derivatives thereof together with silicone and/or fluorosilicone antifo... | 06/26/2001 |
| 6248702 | Dispersant and dispersant viscosity index improvers from selectively hydrogenated aryl-substituted olefin containing diene copolymers The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated, functionalized, optionally modified, and post treated. The dispersant substances include a copolymer of t... | 06/19/2001 |
| 6162768 | Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: free radically initiated direct grafting reaction products The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated, functionalized, optionally modified and post treated. The dispersant substances include a copolymer of tw... | 12/19/2000 |
| 6127321 | Oil soluble dispersant additives useful in oleaginous compositions Hydrocarbyl substituted C4 to C10 monounsaturated dicarboxylic acid, anhydrides or esters, e.g. polyisobutenyl succinic anhydride, preferably made by reacting polymer of C2 to C10 monoolefin, preferably polyisob... | 10/03/2000 |
| 6124247 | Use of borated compounds for the improvement of the compatibility of lubricating oils with fluorocarbon elastomers The invention relates to the use of an effective quantity of borated compounds having the following general formula I: ##STR1## in which X is S or O, and R is a hydrocarbyl group containing at least 3 carbon atoms, in particular between 3 and 50 carb... | 09/26/2000 |
| 5827805 | Condensates of alkyl phenols and glyoxal and products derived therefrom Compositions represented by the structures ##STR1## where Ar represents an aromatic group, each R is independently a hydrocarbyl group, at least one R having more than 12 carbon atoms, a is 1 to 4, and R' is hydrogen or alkyl, are useful as lubricant... | 10/27/1998 |
| 5698499 | Phenolic borates and lubricants containing same A composition of matter having the structure ##STR1## wherein R1, R2, R4, and R5 are independently a member selected from the group consisting of alkyl, cycloalkyl, aryl, aralkyl, and alkaryl, and R3 | 12/16/1997 |
| 5646098 | Carbonyl containing compounds and their derivatives as multi-functional fuel and lube additives The invention relates to novel compositions comprising ene and free radical adducts of unsaturated and saturated hydrocarbons, and acyclic and cyclic vicinal polycarbonyl compounds such as diethyl ketomalonate and indantrione. The adducts are reacted with... | 07/08/1997 |
| 5639716 | Oil soluble dispersant additives based on 1-butene- olefin copolymers Oil-soluble dispersant additives are disclosed. The additives comprise the reaction product of a functionalized 1-butene copolymer and at least one nucleophilic reactant selected from amines, amino alcohols, alcohols, and reactive metal compounds. The fun... | 06/17/1997 |
| 5629272 | Low phosphorous engine oil compositions and additive compositions An engine oil composition which comprises a metal-containing detergent, zinc dithiophosphate, and a boron-containing ashless dispersant dissolved or dispersed in a base oil; characterized by further containing an antiwear agent having an aliphatic amide c... | 05/13/1997 |
| 5571445 | Gear oil compositions A "cold-clash" gear problem associated with vehicular manual transmissions exposed to the cold is overcome by use of a special all-synthetic gear oil composition. The composition is composed of base oil and specified additive components. The base oil is a... | 11/05/1996 |
| 5561103 | Functional fluid compositions having improved frictional and anti-oxidation properties Compositions of matter containing self condensation reaction products of alkylthio alkanols and dispersants which are found to have utility in lubricating/functional fluids.... | 10/01/1996 |
| 5512192 | Dispersant-viscosity improvers for lubricating oil compositions A composition of matter suitable for use as a dispersant-viscosity improver for lubricating oil compositions comprises the reaction product of reactants comprising (a) an oil soluble, substantially hydrogenated, vinyl substituted aromatic-aliphatic conjug... | 04/30/1996 |
| 5439605 | Phosphorus and phosphours-free low and light ash lubricating oils Phosphorus-free, low ash and light ash motor oils containing no metal DTPs, halogens or hazardous substances are disclosed. The phosphorus-free, low ash and light ash formulations may be prepared either as a lubricating oil or as a concentrated additive f... | 08/08/1995 |
| 5370807 | Boron-containing additive for lubricating oils, and process for preparing said additive Viscosity index improver and friction modifier additive constituted by a on-containing poly-(alkyl)-acrylate, process for preparing said additive and use of said additive in the formulation of lubricating oils.... | 12/06/1994 |
| 5358650 | Gear oil compositions A "cold-clash" gear problem associated with vehicular manual transmissions exposed to the cold is overcome by use of a special all-synthetic gear oil composition. The composition is composed of base oil and specified additive components. The base oil is a... | 10/25/1994 |
| 5242610 | Grease composition The invention is an improved grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a compound prepared by reacting a boron compound with an organic compound containing oxygen, sulfur and/or... | 09/07/1993 |
| 5211863 | Grease composition The invention is a grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a compound prepared by reacting a boron compound with an organic compound containing oxygen, sulfur and/or nitrogen.... | 05/18/1993 |
| 5176840 | Gear oil additive composition and gear oil containing the same Gear oil additive concentrates and lubricant compositions containing a combination of additives which minimize noise and vibration that occasionally develop in limited slip axles. The additive combinations include (i) an oil-soluble succinimide of the for... | 01/05/1993 |
| 5032320 | Lactone modified mono- or dicarboxylic acid based adduct dispersant compositions C5 -C9 lactone based adduct materials are made by reacting a C5 -C9 lactone with a polyol to form a lactone adduct intermediate, and thereafter reacting the intermediate with an aliphatic hydrocarbyl saturated o... | 07/16/1991 |
| 5006270 | Mixed resorcinol-hydroxyester borates as antioxidants Mixed resorcinol-hydroxyester borates have been found to be effective multifunctional additives when incorporated into various lubricating media.... | 04/09/1991 |
| 5006272 | Friction reducing additives and compositions thereof Borated glycerol hydroxyesters are effective friction reducing additives when incorporated into lubricating compositions.... | 04/09/1991 |
| 4938880 | Process for preparing stable oleaginous compositions According to the present invention, oleaginous compositions having improved stability are provided, wherein high molecular weight ashless dispersants and metal detergents are pre-blended at a temperature of at least 100° C. for a period of from 1 to 10 h... | 07/03/1990 |
| 4828740 | Mixed hydroquinone-hydroxyester borates as antioxidants Mixed hydroquinones-hydroxyester borates have been found to be effective multifunctional additives when incorporated into various lubricating media.... | 05/09/1989 |
| 4801390 | Lubricating compositions Lubricating compositions particularly for crankcase lubrication of gasoline and diesel engines in automobiles and trucks have improved viscometric properties by the incorporation of an ashless dispersant and a dispersant viscosity improver with increased ... | 01/31/1989 |
| 4541941 | Mixed borate esters and their use as lubricant and fuel additives Lubricant and fuel compositions having unique fuel saving properties are obtained by adding to the lubricant or fuel a product made by reacting a boron compound with a mixture of vicinal diols and long chain alcohols or hydroxyl-containing carboxylate est... | 09/17/1985 |