|
| US3951614 | 15 Mar 1973 | 20 Abr 1976 | Chevron Research Company | Fuel detergents |
| US4877416 | 18 Nov 1987 | 31 Oct 1989 | Chevron Research Company | Synergistic fuel compositions |
| US5004478 | 31 Oct 1989 | 2 Abr 1991 | BASF Aktiengesellschaft | Motor fuel for internal combustion engines |
| US5006130 | 28 Jun 1989 | 9 Abr 1991 | Shell Oil Company | Gasoline composition for reducing intake valve deposits in port fuel injected engines |
| US5123932 | 9 May 1990 | 23 Jun 1992 | BASF Aktiengesellschaft | Motor fuel compositions containing alkoxylation products |
| US5242469 | 30 May 1991 | 7 Sep 1993 | Tonen Corporation | Gasoline additive composition |
| US5352251 | 30 Mar 1993 | 4 Oct 1994 | Shell Oil Company | Fuel compositions |
| US5405418 | 2 May 1994 | 11 Abr 1995 | Chevron Chemical Company | Fuel additive compositions containing an aliphatic amine, a polyolefin and an aromatic ester |
| US5405419 | 2 May 1994 | 11 Abr 1995 | Chevron Chemical Company | Fuel additive compositions containing an aliphatic amine, a polyolefin and a poly(oxyalkylene) monool |
| US5437695 | 19 Abr 1993 | 1 Ago 1995 | BASF Aktiengesellschaft | Fuels and lubricants containing n-alkylcarboxamides |
| US5458660 | 19 Sep 1994 | 17 Oct 1995 | Shell Oil Company | Fuel compositions |
| US5458661 | 19 Sep 1994 | 17 Oct 1995 | Shell Oil Company | Fuel compositions |
| US5489315 | 19 Sep 1994 | 6 Feb 1996 | Shell Oil Company | Fuel compositions comprising hydantoin-containing polyether alcohol additives |
| US5507843 | 19 Sep 1994 | 16 Abr 1996 | Shell Oil Company | Fuel compositions |
| US5559270 | 15 Dic 1994 | 24 Sep 1996 | Petrokleen, Ltd. | Method of synthesizing pure additives and the improved compositions thereby produced |
| US5620486 | 30 Dic 1994 | 15 Abr 1997 | Chevron Chemical Company | Fuel compositions containing aryl succinimides |
| US5693107 | 6 Ago 1996 | 2 Dic 1997 | Shell Oil Company | Fuel compositions comprising hydantoin-containing polyether alcohol additives |
| US5697988 | 7 Jun 1996 | 16 Dic 1997 | Ethyl Corporation | Fuel compositions |
| US5837867 | 6 Ago 1996 | 17 Nov 1998 | Shell Oil Company | Fuel compositions |
| US5855630 | 19 Sep 1997 | 5 Ene 1999 | Shell Oil Company | Fuel compositions |
| US5962738 | 16 Jun 1998 | 5 Oct 1999 | Petrokleen, Ltd. | Polymeric-amine fuel and lubricant additive |
| US5993499 | 27 Jun 1997 | 30 Nov 1999 | Chevron Chemical Company | Fuel composition containing an aliphatic amine and a poly (oxyalkylene) monool |
| US6140541 | 5 Nov 1998 | 31 Oct 2000 | BASF Aktiengesellschaft | Process for preparing polyalkene amines |
| US6210452 | 8 Feb 2000 | 3 Abr 2001 | Hhntsman Petrochemical Corporation | Fuel additives |
| US6261327 | 28 May 1998 | 17 Jul 2001 | Shell Oil Company | Additive concentrates for rapidly reducing octane requirement |
| US6312481 | 9 Oct 1997 | 6 Nov 2001 | Shell Oil Company | Fuel compositions |
| US6371999 | 21 Ago 1996 | 16 Abr 2002 | BASF Aktiengesellschaft | Polyisobutylaminoalcohols and fuels for internal combustion engines containing these products |
| US6579329 | 20 May 1996 | 17 Jun 2003 | | Mixture suitable as a fuel additive and lubricant additive and comprising amines, hydrocarbon polymers and carrier oils |
| US6660050 | 23 May 2002 | 9 Dic 2003 | Chevron U.S.A. Inc. | Method for controlling deposits in the fuel reformer of a fuel cell system |
| US6827750 | 24 Ago 2001 | 7 Dic 2004 | Dober Chemical Corp Fleetguard, Inc. | Controlled release additives in fuel systems |
| US6835218 | 24 Ago 2001 | 28 Dic 2004 | Dober Chemical Corp. FleetGuard, Inc. | Fuel additive compositions |
| US6860241 | 24 Ago 2001 | 1 Mar 2005 | Dober Chemical Corp. Fleetguard, Inc. | Fuel filter including slow release additive |
| US6909018 | 21 Sep 2000 | 21 Jun 2005 | BASF Aktiengesellschaft | Preparation of polyalkeneamines |
| US7001531 | 24 Ago 2001 | 21 Feb 2006 | Dober Chemical Corp. FleetGuard, Inc. | Sustained release coolant additive composition |
| US7581558 | 5 Jun 2007 | 1 Sep 2009 | Cummins Filtration IP Inc. Dober Chemical Corporation | Controlled release of additives in fluid systems |
| US7591279 | 16 Ago 2002 | 22 Sep 2009 | Cummins Filtration IP Inc. Dober Chemical Corporation | Controlled release of additives in fluid systems |
| US7883638 | 27 May 2008 | 8 Feb 2011 | Dober Chemical Corporation | Controlled release cooling additive compositions |
| US7938277 | 27 May 2008 | 10 May 2011 | Dober Chemical Corporation | Controlled release of microbiocides |
| US8109287 | 22 Jul 2009 | 7 Feb 2012 | Cummins Filtration IP, Inc. | Controlled release of additives in fluid systems |