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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US395161415 Mar 197320 Abr 1976Chevron Research CompanyFuel detergents
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US524246930 May 19917 Sep 1993Tonen CorporationGasoline additive composition
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US543769519 Abr 19931 Ago 1995BASF AktiengesellschaftFuels and lubricants containing n-alkylcarboxamides
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US562048630 Dic 199415 Abr 1997Chevron Chemical CompanyFuel compositions containing aryl succinimides
US56931076 Ago 19962 Dic 1997Shell Oil CompanyFuel compositions comprising hydantoin-containing polyether alcohol additives
US56979887 Jun 199616 Dic 1997Ethyl CorporationFuel compositions
US58378676 Ago 199617 Nov 1998Shell Oil CompanyFuel compositions
US585563019 Sep 19975 Ene 1999Shell Oil CompanyFuel compositions
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US61405415 Nov 199831 Oct 2000BASF AktiengesellschaftProcess for preparing polyalkene amines
US62104528 Feb 20003 Abr 2001Hhntsman Petrochemical CorporationFuel additives
US626132728 May 199817 Jul 2001Shell Oil CompanyAdditive concentrates for rapidly reducing octane requirement
US63124819 Oct 19976 Nov 2001Shell Oil CompanyFuel compositions
US637199921 Ago 199616 Abr 2002BASF AktiengesellschaftPolyisobutylaminoalcohols and fuels for internal combustion engines containing these products
US657932920 May 199617 Jun 2003Mixture suitable as a fuel additive and lubricant additive and comprising amines, hydrocarbon polymers and carrier oils
US666005023 May 20029 Dic 2003Chevron U.S.A. Inc.Method for controlling deposits in the fuel reformer of a fuel cell system
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
US686024124 Ago 20011 Mar 2005Dober Chemical Corp.
Fleetguard, Inc.
Fuel filter including slow release additive
US690901821 Sep 200021 Jun 2005BASF AktiengesellschaftPreparation of polyalkeneamines
US700153124 Ago 200121 Feb 2006Dober Chemical Corp.
FleetGuard, Inc.
Sustained release coolant additive composition
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
US788363827 May 20088 Feb 2011Dober Chemical CorporationControlled release cooling additive compositions
US793827727 May 200810 May 2011Dober Chemical CorporationControlled release of microbiocides
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