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Brevets

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Brevet citant Date de dépôt Date de délivrance Cessionnaire d'origine Titre
US39858028 oct. 197412 oct. 1976Standard Oil Company (Indiana)Lubricating oils containing high molecular weight Mannich condensation products
US439651710 août 19812 août 1983Mobil Oil CorporationPhenolic-containing mannich bases and lubricants containing same
US48448279 nov. 19884 juil. 1989Amoco CorporationLubricating oil additive
US488964630 juin 198726 déc. 1989Amoco CorporationNitrogen containing dispersants treated with mineral acids
US512405516 mars 199023 juin 1992Ethyl Petroleum Additives, Inc.Lubricating oil composition
US525996814 oct. 19929 nov. 1993Exxon Chemical Patents Inc.Dispersant additive comprising the reaction product of a polyanhydride and a mannich condensation product
US530631329 juil. 199326 avr. 1994Exxon Chemical Patents Inc.Dispersant additive comprising the reaction product of a polyanhydride and a mannich condensation product
US549880922 mai 199512 mars 1996Exxon Chemical Patents Inc.Polymers derived from ethylene and 1-butene for use in the preparation of lubricant dispersant additives
US55543109 juin 199410 sept. 1996Exxon Chemical Patents Inc.Trisubstituted unsaturated polymers
US556512812 oct. 199415 oct. 1996Exxon Chemical Patents IncLubricating oil mannich base dispersants derived from heavy polyamine
US566313011 mars 19962 sept. 1997Exxon Chemical Patents IncPolymers derived from ethylene and 1-butene for use in the preparation of lubricant dispersant additives
US603093014 mai 199729 févr. 2000Exxon Chemical Patents IncPolymers derived from ethylene and 1-butene for use in the preparation of lubricant disperant additives
US651151829 sept. 200028 janv. 2003Chevron Oronite Company LLCFuel additive compositions containing a mannich condensation product, a poly(oxyalkylene) monool, a polyolefin, and a carboxylic acid
US651151929 sept. 200028 janv. 2003Chevron Oronite Company LLCFuel additive compositions containing a mannich condensation product, a poly(oxyalkylene) monool, and a carboxylic acid
US653157129 sept. 200011 mars 2003Chevron Oronite Company LLCMethod for the removal of excess amounts of water-soluble amines from mannich condensation products
US662758428 janv. 200230 sept. 2003Ethyl CorporationAutomatic transmission fluid additive comprising reaction product of hydrocarbyl acrylates and dihydrocarbyldithiophosphoric acids
US673355118 juin 200211 mai 2004Chevron Oronite Company LLCMethod of improving the compatibility of a fuel additive composition containing a Mannich condensation product
US674965121 déc. 200115 juin 2004Chevron Oronite Company LLCFuel additive compositions containing a mannich condensation product, a poly (oxyalkylene) monool, and a carboxylic acid
US68556742 déc. 200215 févr. 2005Infineum International Ltd.Hydroxy aromatic Mannich base condensation products and the use thereof as soot dispersants in lubricating oil compositions
US721464931 déc. 20038 mai 2007Afton Chemical CorporationHydrocarbyl dispersants including pendant polar functional groups
US73844343 juin 200410 juin 2008Afton Chemical CorporationReaction of phenols with intermediate triazines
US764572817 févr. 200412 janv. 2010Afton Chemical CorporationLubricant and fuel additives derived from treated amines
US783395328 août 200616 nov. 2010Afton Chemical CorporationLubricant composition
US787977514 juil. 20061 févr. 2011Afton Chemical CorporationLubricant compositions
US788829913 janv. 200415 févr. 2011Afton Chemical Japan Corp.Extended drain, thermally stable, gear oil formulations
US790213314 juil. 20068 mars 2011Afton Chemical CorporationLubricant composition
US794763627 févr. 200424 mai 2011Afton Chemical CorporationPower transmission fluids