Búsqueda Imágenes Maps Play YouTube Noticias Gmail Drive Más »
Búsqueda avanzada de patentes | Historial web | Iniciar sesión

Patentes

Citada por

Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US394861915 Feb 19736 Abr 1976Ethyl CorporationGasoline composition
US399469830 Jun 197530 Nov 1976Ethyl CorporationGasoline additive concentrate composition
US40253166 Nov 197424 May 1977Exxon Research and Engineering CompanyMannich base reaction products useful as liquid hydrocarbon additives
US403804312 Sep 197526 Jul 1977E. I. Du Pont de Nemours and CompanyGasoline additive compositions comprising a combination of monoamine and polyamine Mannich bases
US403804412 Sep 197526 Jul 1977E. I. Du Pont de Nemours and CompanyGasoline additive compositions comprising a combination of diamine and polyamine Mannich Bases
US405442212 Sep 197518 Oct 1977E. I. Du Pont de Nemours & CompanyMannich bases containing tertiary amines and fuel compositions containing said mannich bases
US408369926 Nov 197611 Abr 1978Mobil Oil CorporationPolyoxyethylene polyamine Mannich base products and use of same in fuels and lubricants
US414049226 Sep 197720 Feb 1979Exxon Research & Engineering Co.Borated derivatives of oil-soluble Mannich bases in combination with coadditive hydrocarbons are flow improvers for middle distillate fuel oils
US415356424 Abr 19788 May 1979Mobil Oil CorporationNitrogen-containing compounds and lubricant compositions containing same
US417270720 Jul 197830 Oct 1979E. I. Du Pont de Nemours & CompanyMannich bases containing tertiary amines
US445405916 Abr 198112 Jun 1984The Lubrizol CorporationNitrogenous dispersants, lubricants and concentrates containing said nitrogenous dispersants
US465933816 Ago 198521 Abr 1987The Lubrizol CorporationFuel compositions for lessening valve seat recession
US48043891 Dic 198714 Feb 1989The Lubrizol CorporationFuel products
US482043224 Jul 198711 Abr 1989Exxon Chemical Patents Inc.Lactone-modified, Mannich base dispersant additives useful in oleaginous compositions
US482874224 Jul 19879 May 1989Exxon Chemical Patents, Inc.Lactone-modified, mannich base dispersant additives useful in oleaginous compositions
US49138309 Ene 19893 Abr 1990Exxon Chemical Patents Inc.Lactone-modified, mannich base dispersant additives useful in oleaginous compositions
US492598314 Abr 198815 May 1990The Lubrizol CorporationBoronated compounds
US49717119 Ene 198920 Nov 1990Exxon Chemical Patents, Inc.Lactone-modified, mannich base dispersant additives useful in oleaginous compositions
US499759423 Ene 19905 Mar 1991The Lubrizol CorporationCompositions, concentrates, lubricant compositions, fuel compositions and methods for improving fuel economy of internal combustion engines
US504706922 Oct 199010 Sep 1991Petrolite CorporationAntioxidants for liquid hydrocarbons
US51603506 Dic 19913 Nov 1992The Lubrizol CorporationFuel compositions
US520793923 Ago 19904 May 1993Mobil Oil CorporationDihydrocarbyl substituted phenylenediamine-derived phenolic products as antioxidants
US524831526 Feb 199328 Sep 1993Euron S.p.A.Detergent additive for fuels
US526608118 Oct 199130 Nov 1993Mobil Oil CorporationMultifunctional ashless dispersants
US531246129 Abr 199317 May 1994Mobil Oil CorporationDihydrocarbyl substituted phenylenediamine-derived phenolic products as antioxidants
US535865113 Dic 199025 Oct 1994The Lubrizol CorporationCompositions, concentrates, lubricant compositions, fuel composition and methods for improving fuel economy of internal combustion engines
US53708105 Ene 19936 Dic 1994Exxon Chemical Patents Inc.Polyepoxide modified adducts or reactants and oleaginous compositions containing same PT-696
US543010522 Nov 19934 Jul 1995Exxon Chemical Patents Inc.Low sediment process for forming borated dispersant
US54825194 Nov 19949 Ene 1996Exxon Chemical Patents Inc.Polyepoxide modified adducts or reactants and oleaginous compositions containing same
US549880922 May 199512 Mar 1996Exxon Chemical Patents Inc.Polymers derived from ethylene and 1-butene for use in the preparation of lubricant dispersant additives
US55543109 Jun 199410 Sep 1996Exxon Chemical Patents Inc.Trisubstituted unsaturated polymers
US556109531 Mar 19941 Oct 1996Exxon Chemical Patents Inc.Supported lewis acid catalysts for hydrocarbon conversion reactions
US556512812 Oct 199415 Oct 1996Exxon Chemical Patents IncLubricating oil mannich base dispersants derived from heavy polyamine
US558309916 May 199610 Dic 1996The Lubrizol CorporationBoronated compounds
US560789015 Jul 19964 Mar 1997Exxon Chemical Patents Inc.Supported Lewis acid catalysts derived from superacids useful for hydrocarbon conversion reactions
US56349517 Jun 19963 Jun 1997Ethyl CorporationAdditives for minimizing intake valve deposits, and their use
US56485804 Sep 199615 Jul 1997Exxon Chemical Patents Inc.Supported lewis acid catalysts for hydrocarbon conversion reactions
US566313011 Mar 19962 Sep 1997Exxon Chemical Patents IncPolymers derived from ethylene and 1-butene for use in the preparation of lubricant dispersant additives
US566347020 Jun 19952 Sep 1997Exxon Chemical Patents Inc."Heterogeneous lewis acid-type catalysts"
US56675397 Ago 199616 Sep 1997Exxon Chemical Patents Inc.Oleaginous compositions
US578056324 Ene 199714 Jul 1998Exxon Chemical Patents IncSupported lewis acid catalysts derived from superacids useful for hydrocarbon conversion reactions
US57893358 Ago 19974 Ago 1998Exxon Chemical Patents Inc.Supported Lewis acid catalysts for hydrocarbon conversion reactions
US581137917 Jun 199622 Sep 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)
US58141116 Ago 199629 Sep 1998Shell Oil CompanyGasoline compositions
US587438028 Abr 199723 Feb 1999Exxon Chemical Patents Inc.Heterogeneous lewis acid-type catalysts
US603093014 May 199729 Feb 2000Exxon Chemical Patents IncPolymers derived from ethylene and 1-butene for use in the preparation of lubricant disperant additives
US603418423 Jun 19987 Mar 2000Mobil Oil CorporationDispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: Mannich reaction products
US605453931 Jul 199825 Abr 2000Mobil Oil CorporationSelectively hydrogenated polymer compositions: polybutadiene-isoprene-polybutadiene
US606660321 Jul 199723 May 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 Jun 199815 Ago 2000Mobil Oil CorporationDispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: hydroformylation/reductive amination reaction products
US61171985 Sep 199712 Sep 2000The Lubrizol CorporationDetergents for hydrocarbon fuels
US616276823 Jun 199819 Dic 2000Mobil Oil CorporationDispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: free radically initiated direct grafting reaction products
US617201521 Jul 19999 Ene 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
US617688631 Ago 199923 Ene 2001Ethyl CorporationMiddle distillate fuels with enhanced lubricity comprising the reaction product of a phenol formaldehyde resin, an aldehyde and an amino alcohol
US621503311 Dic 199810 Abr 2001Mobil Oil CorporationDispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: blends with lower molecular weight components
US622881723 Jun 19988 May 2001Mobil Oil CorporationDispersants and dispersant viscosity index improvers from selectively hydrogenated polymers
US624870230 Nov 199819 Jun 2001Mobil Oil CorporationDispersant and dispersant viscosity index improvers from selectively hydrogenated aryl-substituted olefin containing diene copolymers
US627053931 Ago 19997 Ago 2001Ethyl CorporationMannich dispersants with enhanced lubricity
US630680222 Abr 199723 Oct 2001Exxon Chemical Patents Inc.Mixed antioxidant composition
US631988112 Jul 199920 Nov 2001ExxonMobil Oil CorporationHaze free oil additive compositions containing dispersants from selectively hydrogenated diene copolymers
US646894821 Jul 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 Ene 200230 Sep 2003Ethyl CorporationAutomatic transmission fluid additive comprising reaction product of hydrocarbyl acrylates and dihydrocarbyldithiophosphoric acids
US67970216 Jul 200128 Sep 2004Indian Oil Corporation LimitedProcess of preparation of novel mannich bases from hydrogenated and distilled cashew nut shell liquid (CNSL) for use as additive in liquid hydrocarbon fuels
US68001032 Feb 20015 Oct 2004Ethyl CorporationSecondary amine mannich detergents
US682775024 Ago 20017 Dic 2004Dober Chemical Corp
Fleetguard, Inc.
Controlled release additives in fuel systems
US683521824 Ago 200128 Dic 2004Dober Chemical Corp.
FleetGuard, Inc.
Fuel additive compositions
US68556742 Dic 200215 Feb 2005Infineum International Ltd.Hydroxy aromatic Mannich base condensation products and the use thereof as soot dispersants in lubricating oil compositions
US686024124 Ago 20011 Mar 2005Dober Chemical Corp.
Fleetguard, Inc.
Fuel filter including slow release additive
US69136605 Jul 20015 Jul 2005BASF AktiengesellschaftDispersant compositions comprising novel emulsifiers for water in oil emulsions
US700153124 Ago 200121 Feb 2006Dober Chemical Corp.
FleetGuard, Inc.
Sustained release coolant additive composition
US721464931 Dic 20038 May 2007Afton Chemical CorporationHydrocarbyl dispersants including pendant polar functional groups
US73844343 Jun 200410 Jun 2008Afton Chemical CorporationReaction of phenols with intermediate triazines
US75815585 Jun 20071 Sep 2009Cummins Filtration IP Inc.
Dober Chemical Corporation
Controlled release of additives in fluid systems
US759127916 Ago 200222 Sep 2009Cummins Filtration IP Inc.
Dober Chemical Corporation
Controlled release of additives in fluid systems
US764572817 Feb 200412 Ene 2010Afton Chemical CorporationLubricant and fuel additives derived from treated amines
US782060212 Jul 200626 Oct 2010King Industries, Inc.Amine tungstates and lubricant compositions
US783395328 Ago 200616 Nov 2010Afton Chemical CorporationLubricant composition
US787557629 Jul 200425 Ene 2011Chevron Oronite Company LLCLubricating oil composition for internal combustion engines
US787977514 Jul 20061 Feb 2011Afton Chemical CorporationLubricant compositions
US788363827 May 20088 Feb 2011Dober Chemical CorporationControlled release cooling additive compositions
US788405830 Sep 20038 Feb 2011Chevron Oronite Company LLCStable colloidal suspensions and lubricating oil compositions containing same
US788829913 Ene 200415 Feb 2011Afton Chemical Japan Corp.Extended drain, thermally stable, gear oil formulations
US790213314 Jul 20068 Mar 2011Afton Chemical CorporationLubricant composition
US793827727 May 200810 May 2011Dober Chemical CorporationControlled release of microbiocides
US794379631 Jul 200817 May 2011Chevron Oronise Company LLCLubricating oil additive and lubricating oil composition containing same
US794763627 Feb 200424 May 2011Afton Chemical CorporationPower transmission fluids
US798184630 Nov 200519 Jul 2011Chevron Oronite Company LLCLubricating oil composition with improved emission compatibility
US80805003 Abr 200820 Dic 2011King Industries, Inc.Amine tungstates and lubricant compositions
US810928722 Jul 20097 Feb 2012Cummins Filtration IP, Inc.Controlled release of additives in fluid systems
US81831923 Feb 201022 May 2012Chevron Oronite Company LLC
Chevron Oronite S.A.
Lubricating oil additive and lubricating oil composition containing same
US822218013 Feb 200617 Jul 2012Indian Oil Corporation LimitedAdsorbent composition for removal of refractory sulphur compounds from refinery streams and process thereof