|
| US3985802 | 8 oct. 1974 | 12 oct. 1976 | Standard Oil Company (Indiana) | Lubricating oils containing high molecular weight Mannich condensation products |
| US4006089 | 19 nov. 1974 | 1 févr. 1977 | Mobil Oil Corporation | Polyoxyethylene polyamine Mannich base products and use of same in fuels and lubricants |
| US4396517 | 10 août 1981 | 2 août 1983 | Mobil Oil Corporation | Phenolic-containing mannich bases and lubricants containing same |
| US4425249 | 28 juin 1979 | 10 janv. 1984 | Standard Oil Company (Indiana) | Benzene sulfonic acid catalyzed aromatic Mannich products from alkyl phenols |
| US4454059 | 16 avr. 1981 | 12 juin 1984 | The Lubrizol Corporation | Nitrogenous dispersants, lubricants and concentrates containing said nitrogenous dispersants |
| US4661274 | 13 janv. 1986 | 28 avr. 1987 | Mobil Oil Corporation | Additive for lubricants and hydrocarbon fuels comprising reaction products of olefins, sulfur, hydrogen sulfide and nitrogen containing polymeric compounds |
| US4717492 | 27 déc. 1985 | 5 janv. 1988 | Mobil Oil Corporation | Phenolic-containing Mannich base reaction products and lubricant compositions containing same |
| US4806130 | 21 déc. 1987 | 21 févr. 1989 | Mobil Oil Corporation | Phenolic-containing mannich base reaction products and fuel compositions containing same |
| US4844827 | 9 nov. 1988 | 4 juil. 1989 | Amoco Corporation | Lubricating oil additive |
| US4892563 | 23 janv. 1989 | 9 janv. 1990 | Mobil Oil Corporation | Phenolic-containing mannich base reaction products and fuel compositions containing same |
| US5334329 | 7 oct. 1988 | 2 août 1994 | The Lubrizol Corporation | Lubricant and functional fluid compositions exhibiting improved demulsibility |
| US5387266 | 11 juin 1993 | 7 févr. 1995 | Ethyl Corporation | Mannich base derivatives, and the production and uses thereof |
| US5498809 | 22 mai 1995 | 12 mars 1996 | Exxon Chemical Patents Inc. | Polymers derived from ethylene and 1-butene for use in the preparation of lubricant dispersant additives |
| US5512067 | 22 mai 1995 | 30 avr. 1996 | Ethyl Corporation | Asymmetrical mannich base derivatives and the production and uses thereof |
| US5554310 | 9 juin 1994 | 10 sept. 1996 | Exxon Chemical Patents Inc. | Trisubstituted unsaturated polymers |
| US5558683 | 20 mars 1995 | 24 sept. 1996 | Ethyl Corporation | Mannich base derivatives, and the production and uses thereof |
| US5663130 | 11 mars 1996 | 2 sept. 1997 | Exxon Chemical Patents Inc | Polymers derived from ethylene and 1-butene for use in the preparation of lubricant dispersant additives |
| US5811379 | 17 juin 1996 | 22 sept. 1998 | Exxon 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) |
| US6030930 | 14 mai 1997 | 29 févr. 2000 | Exxon Chemical Patents Inc | Polymers derived from ethylene and 1-butene for use in the preparation of lubricant disperant additives |
| US6034184 | 23 juin 1998 | 7 mars 2000 | Mobil Oil Corporation | Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: Mannich reaction products |
| US6054539 | 31 juil. 1998 | 25 avr. 2000 | Mobil Oil Corporation | Selectively hydrogenated polymer compositions: polybutadiene-isoprene-polybutadiene |
| US6066603 | 21 juil. 1997 | 23 mai 2000 | Exxon 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 |
| US6103676 | 23 juin 1998 | 15 août 2000 | Mobil Oil Corporation | Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: hydroformylation/reductive amination reaction products |
| US6162768 | 23 juin 1998 | 19 déc. 2000 | Mobil Oil Corporation | Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: free radically initiated direct grafting reaction products |
| US6172015 | 21 juil. 1999 | 9 janv. 2001 | Exxon Chemical Patents, Inc | Polar monomer containing copolymers derived from olefins useful as lubricant and fuel oil additives, processes for preparation of such copolymers and additives and use thereof |
| US6215033 | 11 déc. 1998 | 10 avr. 2001 | Mobil Oil Corporation | Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: blends with lower molecular weight components |
| US6228817 | 23 juin 1998 | 8 mai 2001 | Mobil Oil Corporation | Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers |
| US6248702 | 30 nov. 1998 | 19 juin 2001 | Mobil Oil Corporation | Dispersant and dispersant viscosity index improvers from selectively hydrogenated aryl-substituted olefin containing diene copolymers |
| US6319881 | 12 juil. 1999 | 20 nov. 2001 | ExxonMobil Oil Corporation | Haze free oil additive compositions containing dispersants from selectively hydrogenated diene copolymers |
| US6468948 | 21 juil. 1999 | 22 oct. 2002 | Infineum 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) |
| US6627584 | 28 janv. 2002 | 30 sept. 2003 | Ethyl Corporation | Automatic transmission fluid additive comprising reaction product of hydrocarbyl acrylates and dihydrocarbyldithiophosphoric acids |
| US6743266 | 13 août 2002 | 1 juin 2004 | Texaco, Inc. | Fuel additive composition for improving delivery of friction modifier |
| US6824671 | 17 mai 2001 | 30 nov. 2004 | ExxonMobil Chemical Patents Inc. | Low noack volatility poly |
| US6827750 | 24 août 2001 | 7 déc. 2004 | Dober Chemical Corp Fleetguard, Inc. | Controlled release additives in fuel systems |
| US6835217 | 20 sept. 2000 | 28 déc. 2004 | Texaco, Inc. | Fuel composition containing friction modifier |
| US6835218 | 24 août 2001 | 28 déc. 2004 | Dober Chemical Corp. FleetGuard, Inc. | Fuel additive compositions |
| US6860241 | 24 août 2001 | 1 mars 2005 | Dober Chemical Corp. Fleetguard, Inc. | Fuel filter including slow release additive |
| US6869917 | 16 août 2002 | 22 mars 2005 | ExxonMobil Chemical Patents Inc. | Functional fluid lubricant using low Noack volatility base stock fluids |
| US6949688 | 6 oct. 2004 | 27 sept. 2005 | ExxonMobil Chemical Patents Inc. | Low Noack volatility poly α-olefins |
| US7001531 | 24 août 2001 | 21 févr. 2006 | Dober Chemical Corp. FleetGuard, Inc. | Sustained release coolant additive composition |
| US7214649 | 31 déc. 2003 | 8 mai 2007 | Afton Chemical Corporation | Hydrocarbyl dispersants including pendant polar functional groups |
| US7581558 | 5 juin 2007 | 1 sept. 2009 | Cummins Filtration IP Inc. Dober Chemical Corporation | Controlled release of additives in fluid systems |
| US7591279 | 16 août 2002 | 22 sept. 2009 | Cummins Filtration IP Inc. Dober Chemical Corporation | Controlled release of additives in fluid systems |
| US7645728 | 17 févr. 2004 | 12 janv. 2010 | Afton Chemical Corporation | Lubricant and fuel additives derived from treated amines |
| US7833953 | 28 août 2006 | 16 nov. 2010 | Afton Chemical Corporation | Lubricant composition |
| US7879775 | 14 juil. 2006 | 1 févr. 2011 | Afton Chemical Corporation | Lubricant compositions |
| US7883638 | 27 mai 2008 | 8 févr. 2011 | Dober Chemical Corporation | Controlled release cooling additive compositions |
| US7888299 | 13 janv. 2004 | 15 févr. 2011 | Afton Chemical Japan Corp. | Extended drain, thermally stable, gear oil formulations |
| US7902133 | 14 juil. 2006 | 8 mars 2011 | Afton Chemical Corporation | Lubricant composition |
| US7938277 | 27 mai 2008 | 10 mai 2011 | Dober Chemical Corporation | Controlled release of microbiocides |
| US7947636 | 27 févr. 2004 | 24 mai 2011 | Afton Chemical Corporation | Power transmission fluids |
| US7964543 | 13 avr. 2005 | 21 juin 2011 | Chevron Oronite Company LLC | Mannich condensation products useful as sequestering agents |
| US8109287 | 22 juil. 2009 | 7 févr. 2012 | Cummins Filtration IP, Inc. | Controlled release of additives in fluid systems |