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| Number | Title | Issue Date |
| 5707943 | Mixtures of esterified carboxy-containing interpolymers and lubricants containing them Mixtures of esterified carboxy-containing interpolymers and additive concentrates and lubricating oil compositions containing same. Residual acidity of the esterified interpolymers may be neutralized by reaction with an amine.... | 01/13/1998 |
| 5696060 | Acylated nitrogen compounds useful as additives for lubricating oil and fuel compositions A process for reacting certain carboxylic reactants with olefinic compounds then reacting the product prepared thereby with ammonia, a hydrazine or an amine, products prepared thereby and, additive concentrates, lubricating oil and fuel compositions.... | 12/09/1997 |
| 5696067 | Hydroxy-group containing acylated nitrogen compounds useful as additives for lubricating oil and fuel compositions Compositions comprising hydroxyl group containing acylated nitrogen compounds, a process for reacting certain carboxylic reactants with olefinic compounds then reacting the product prepared thereby with ammonia, a hydrazine or an amine, products prepared ... | 12/09/1997 |
| 5616816 | Tertiary alkyl alkylphenols and organic compositions containing same Novel compounds of the general formula ##STR1## wherein each R1 is independently a tertiary alkyl group containing from 4 to about 8 carbon atoms and each of X, Y and Z is independently hydrogen or a hydrocarbon-based group, provided at le... | 04/01/1997 |
| 5560755 | Compositions useful as additives for lubricants and liquid fuels A composition comprising at least one compound of the general formula ##STR1## wherein each Ar is independently an aromatic group having from 4 to about 30 carbon atoms and from 0 to 3 optional substituents selected from the group consisting of amino... | 10/01/1996 |
| 5540851 | Dispersant-viscosity improvers for lubricating oil compositions Dispersant-viscosity improvers for lubricating oil compositions comprise the reaction product of reactants comprising (a) an oil soluble ethylene-alpha olefin copolymer wherein the alpha olefin is selected from the group consisting of C3-28 alpha ol... | 07/30/1996 |
| 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 |
| 5534175 | Copolymers of unsaturated fatty esters, their use as viscosity improver and lubricating oil containing said copolymers Copolymers of unsaturated fatty esters capable of being obtained by copolymerization in a mineral oil of a percentage a) of an ester of a carboxylic acid A1, of a percentage b) of an ester of a carboxylic acid A2 and a percentage c) ... | 07/09/1996 |
| 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 |
| 5487839 | Grease compositions This invention relates to improved grease compositions comprising a major amount of an oil based simple metal soap thickened base grease and a minor amount of at least one phosphorus and boron containing composition, said phosphorus and boron containing c... | 01/30/1996 |
| 5487838 | Reaction products of a boron compound and a phospholipid, and lubricant and aqueous fluids containing same This invention relates to a composition prepared by reacting (A) a boron compound and (B) a phospholipid. These phospholipids are useful as lubricant additives for oil-base and water-base functional fluids. These materials act as anti-wear and/or extreme ... | 01/30/1996 |
| 5458793 | Compositions useful as additives for lubricants and liquid fuels A composition useful as a lubricating oil or fuel additive comprising at least one compound of the formula ##STR1## wherein each Ar is independently an aromatic group having from 4 to about 30 carbon atoms and from 0 to 3 optional substituents, each ... | 10/17/1995 |
| 5441653 | Two-stroke cycle engine lubricant and method of using same Two-stroke cycle engine lubricant and lubricant fuel composition comprise a composition prepared by reacting an aromatic compound of the formula ##STR1## with a carboxylic reactant R1 CO(CR2 R3)x COOR10 | 08/15/1995 |
| 5281346 | Two-cycle engine lubricant and method of using same comprising alkali or alkaline earth metal salts of carboxylic aromatic acids This invention relates to lubricants for two-cycle engines comprising a major amount of at least one oil of lubricating viscosity and a minor amount of at least one compound of the general formula Ay- My+ ... | 01/25/1994 |
| 5256321 | Grease compositions Improved grease compositions substantially free of boron and boron-containing compounds, comprise a major amount of an oil based simple metal soap thickened base grease and a minor amount of at least one sulfur and phosphorus containing composition suffic... | 10/26/1993 |
| 5256320 | Grease compositions Improved grease compositions comprise a major amount of an oil based simple metal soap thickened base grease, an overbased metal salt of an organic acid, at least one sulfur and phosphorus containing composition and a hydrocarbyl phosphite, together in am... | 10/26/1993 |
| 5240624 | Boron-containing compositions and lubricants containing them Boron-containing compositions are prepared by the reaction of boric acid with the condensation product (which may be formed in situ) of a hydroxyaromatic compound)preferably a phenol) with an aromatic or aliphatic aldehyde (preferably formaldehyde). These... | 08/31/1993 |
| 5230714 | High molecular weight nitrogen-containing condensates and fuels and lubricants containing same Improved additives/detergents for lubricant and fuel compositions are obtained by condensing a hydroxyalkyl or hydroxyaryl compound with an amine compound. The condensates according to the present invention are produced by the acid catalyzed condensation ... | 07/27/1993 |
| 5164122 | Thermal oxidatively stable synthetic fluid composition A thermal oxidatively stable synthetic fluid composition is disclosed. The composition is essentially comprised of an aromatic carboxylic acid ester of the general formula ##STR1## wherein Ar is an aromatic moiety, R is a neo hydrocarbyl group contai... | 11/17/1992 |
| 5110488 | Lubricating compositions containing reduced levels of phosphorus Lubricating compositions containing up to about 0.015% by weight of phosphorus. These compositions comprise oil, metal salts of phosphorus-containing acids having at least one secondary hydrocarbon substituent, a boron-containing acylated nitrogen-contain... | 05/05/1992 |
| 5053152 | High molecular weight nitrogen-containing condensates and fuels and lubricants containing same Improved additives/dispersants for lubricant and fuel compositions are obtained by condensing a hydroxyalkyl or hydroxyaryl compound with an amine compound. The condensates according to the present invention are produced by the acid catalyzed condensation... | 10/01/1991 |
| 5037565 | Basic alkali metal sulfonate dispersions, process for their preparation, and lubricants containing same Solutions or substantially stable dispersions of basic alkali metal sulfonates in an inert organic diluent are prepared by intimately contacting an acidic gaseous material such as carbon dioxide with a reaction mixture comprising a sulfonic acid, an alkal... | 08/06/1991 |
| 5017230 | Asphalt additive compositions Asphalt additive compositions are described which comprise (A) a metallic organic strength improving compound and (B) an anti-strip compound. The metal of said metallic organic compound is selected from the group consisting of manganese, cobalt, copper, v... | 05/21/1991 |
| 5000034 | Short-term engine oil sludge test A short-term test procedure for comparing the engine sludge performance of different engine oils to a reference oil. The test procedure involves establishing a base line by operating one or more engines on the reference oil while maintaining a substantial... | 03/19/1991 |
| 4997594 | Compositions, concentrates, lubricant compositions, fuel compositions and methods for improving fuel economy of internal combustion engines Succinimide derivatives represented by the formula: ##STR1## wherein X is selected from the group consisting of M, ##STR2## wherein R is a hydrocarbon-based group containing from about 8 up to about 35 carbon atoms, R1 and R2 | 03/05/1991 |
| 4997968 | Method of preparing monothiophosphoric acid by sulfurizing a phosphite in the presence of an amide A method of preparing an oil-soluble composition is disclosed. The method comprises preparing a dihydrocarbyl monothiophosphoric acid characterized by the formula ##STR1## wherein R1 and R2 are each independently hydrocarbyl gro... | 03/05/1991 |
| 4981602 | Lubricating oil compositions and concentrates Lubricating oil compositions for internal combustion engines are described which comprise (A) a major amount of oil of lubricating viscosity, and minor amounts of (B) at least one carboxylic derivative composition produced by reacting (B-1) at least one s... | 01/01/1991 |
