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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
US400608919 nov. 19741 févr. 1977Mobil Oil CorporationPolyoxyethylene polyamine Mannich base products and use of same in fuels and lubricants
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US442524928 juin 197910 janv. 1984Standard Oil Company (Indiana)Benzene sulfonic acid catalyzed aromatic Mannich products from alkyl phenols
US445405916 avr. 198112 juin 1984The Lubrizol CorporationNitrogenous dispersants, lubricants and concentrates containing said nitrogenous dispersants
US466127413 janv. 198628 avr. 1987Mobil Oil CorporationAdditive for lubricants and hydrocarbon fuels comprising reaction products of olefins, sulfur, hydrogen sulfide and nitrogen containing polymeric compounds
US471749227 déc. 19855 janv. 1988Mobil Oil CorporationPhenolic-containing Mannich base reaction products and lubricant compositions containing same
US480613021 déc. 198721 févr. 1989Mobil Oil CorporationPhenolic-containing mannich base reaction products and fuel compositions containing same
US48448279 nov. 19884 juil. 1989Amoco CorporationLubricating oil additive
US489256323 janv. 19899 janv. 1990Mobil Oil CorporationPhenolic-containing mannich base reaction products and fuel compositions containing same
US53343297 oct. 19882 août 1994The Lubrizol CorporationLubricant and functional fluid compositions exhibiting improved demulsibility
US538726611 juin 19937 févr. 1995Ethyl CorporationMannich base derivatives, and the production and uses thereof
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US566313011 mars 19962 sept. 1997Exxon Chemical Patents IncPolymers derived from ethylene and 1-butene for use in the preparation of lubricant dispersant additives
US581137917 juin 199622 sept. 1998Exxon Chemical Patents Inc.Polymers derived from olefins useful as lubricant and fuel oil additives, processes for preparation of such polymers and additives and use thereof (PT-1267)
US603093014 mai 199729 févr. 2000Exxon Chemical Patents IncPolymers derived from ethylene and 1-butene for use in the preparation of lubricant disperant additives
US603418423 juin 19987 mars 2000Mobil Oil CorporationDispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: Mannich reaction products
US605453931 juil. 199825 avr. 2000Mobil Oil CorporationSelectively hydrogenated polymer compositions: polybutadiene-isoprene-polybutadiene
US606660321 juil. 199723 mai 2000Exxon Chemical Patents Inc.Polar monomer containing copolymers derived from olefins useful as lubricant and useful as lubricant and fuel oil additivies process for preparation of such copolymers and additives and use thereof
US610367623 juin 199815 août 2000Mobil Oil CorporationDispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: hydroformylation/reductive amination reaction products
US616276823 juin 199819 déc. 2000Mobil Oil CorporationDispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: free radically initiated direct grafting reaction products
US617201521 juil. 19999 janv. 2001Exxon Chemical Patents, IncPolar monomer containing copolymers derived from olefins useful as lubricant and fuel oil additives, processes for preparation of such copolymers and additives and use thereof
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US631988112 juil. 199920 nov. 2001ExxonMobil Oil CorporationHaze free oil additive compositions containing dispersants from selectively hydrogenated diene copolymers
US646894821 juil. 199922 oct. 2002Infineum USA L.P.Polymers derived from olefins useful as lubricant and fuel oil additives, processes for preparation of such polymers and additives and use thereof (PT-1267)
US662758428 janv. 200230 sept. 2003Ethyl CorporationAutomatic transmission fluid additive comprising reaction product of hydrocarbyl acrylates and dihydrocarbyldithiophosphoric acids
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US682467117 mai 200130 nov. 2004ExxonMobil Chemical Patents Inc.Low noack volatility poly
US682775024 août 20017 déc. 2004Dober Chemical Corp
Fleetguard, Inc.
Controlled release additives in fuel systems
US683521720 sept. 200028 déc. 2004Texaco, Inc.Fuel composition containing friction modifier
US683521824 août 200128 déc. 2004Dober Chemical Corp.
FleetGuard, Inc.
Fuel additive compositions
US686024124 août 20011 mars 2005Dober Chemical Corp.
Fleetguard, Inc.
Fuel filter including slow release additive
US686991716 août 200222 mars 2005ExxonMobil Chemical Patents Inc.Functional fluid lubricant using low Noack volatility base stock fluids
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US700153124 août 200121 févr. 2006Dober Chemical Corp.
FleetGuard, Inc.
Sustained release coolant additive composition
US721464931 déc. 20038 mai 2007Afton Chemical CorporationHydrocarbyl dispersants including pendant polar functional groups
US75815585 juin 20071 sept. 2009Cummins Filtration IP Inc.
Dober Chemical Corporation
Controlled release of additives in fluid systems
US759127916 août 200222 sept. 2009Cummins Filtration IP Inc.
Dober Chemical Corporation
Controlled release of additives in fluid systems
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
US788363827 mai 20088 févr. 2011Dober Chemical CorporationControlled release cooling additive compositions
US788829913 janv. 200415 févr. 2011Afton Chemical Japan Corp.Extended drain, thermally stable, gear oil formulations
US790213314 juil. 20068 mars 2011Afton Chemical CorporationLubricant composition
US793827727 mai 200810 mai 2011Dober Chemical CorporationControlled release of microbiocides
US794763627 févr. 200424 mai 2011Afton Chemical CorporationPower transmission fluids
US796454313 avr. 200521 juin 2011Chevron Oronite Company LLCMannich condensation products useful as sequestering agents
US810928722 juil. 20097 févr. 2012Cummins Filtration IP, Inc.Controlled release of additives in fluid systems