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| US4088589 | 20 mai 1976 | 9 mai 1978 | Exxon Research & Engineering Co. | Dual pour depressant combination for viscosity index improved waxy multigrade lubricants |
| US4115343 | 7 juin 1976 | 19 sept. 1978 | Rhone-Poulenc Industries | Homogeneous dispersions of diorganopolysiloxane compositions in mineral 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 |
| US6010989 | 4 sept. 1998 | 4 janv. 2000 | Clariant GmbH | Additive for improving the flow properties of mineral oils and mineral oil distillates |
