|
| US3961916 | 28 févr. 1974 | 8 juin 1976 | Exxon Research and Engineering Company | Middle distillate compositions with improved filterability and process therefor |
| US4153422 | 7 avr. 1975 | 8 mai 1979 | Exxon Research & Engineering Co. | Polymer combinations useful in distillate hydrocarbon oils to improve cold flow properties |
| US4153423 | 28 mars 1975 | 8 mai 1979 | Exxon Research & Engineering Co. | Polymer combinations useful in distillate hydrocarbon oils to improve cold flow properties |
| US4153424 | 22 avr. 1977 | 8 mai 1979 | Exxon Research & Engineering Co. | Polymer combinations useful in distillate hydrocarbon oils to improve cold flow properties |
| US4491455 | 21 sept. 1982 | 1 janv. 1985 | Nippon Oil and Fats Co., Ltd. | Method for improving cold flow of fuel oils |
| US4559155 | 12 mars 1985 | 17 déc. 1985 | The Lubrizol Corporation | Hydrocarbyl substituted carboxylic acylating agent derivative containing combinations, and fuels containing same |
| US4564460 | 9 août 1982 | 14 janv. 1986 | The Lubrizol Corporation | Hydrocarbyl-substituted carboxylic acylating agent derivative containing combinations, and fuels containing same |
| US4575526 | 12 mars 1985 | 11 mars 1986 | The Lubrizol Corporation | Hydrocarbyl substituted carboxylic acylaging agent derivative containing combinations, and fuels containing same |
| US4613342 | 16 oct. 1985 | 23 sept. 1986 | The Lubrizol Corporation | Hydrocarbyl substituted carboxylic acylating agent derivative containing combinations, and fuels containing same |
| US4623684 | 16 oct. 1985 | 18 nov. 1986 | The Lubrizol Corporation | Hydrocarbyl substituted carboxylic acylating agent derivative containing combinations, and fuels containing same |
| US5281329 | 30 mars 1992 | 25 janv. 1994 | Rohm GmbH | Method for improving the pour point of petroleum oils |