|
| US4471091 | 9 août 1982 | 11 sept. 1984 | The Lubrizol Corporation | Combinations of carboxylic acylating agents substituted with olefin polymers of high and low molecular weight mono-olefins, derivatives thereof, and fuels and lubricants containing same |
| US4486573 | 9 août 1982 | 4 déc. 1984 | The Lubrizol Corporation | Carboxylic acylating agents substituted with olefin polymers of high molecular weight mono-olefins, derivatives thereof, and fuels and lubricants containing same |
| US4489194 | 9 août 1982 | 18 déc. 1984 | The Lubrizol Corporation | Carboxylic acylating agents substituted with olefin polymers of high/low molecular weight mono-olefins, derivatives thereof, and fuels and lubricants containing same |
| 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 |
| US4596663 | 19 oct. 1984 | 24 juin 1986 | The Lubrizol Corporation | Carboxylic acylating agents substituted with olefin polymers of high molecular weight mono-olefins, derivatives thereof, and fuels and lubricants 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 |
| US5041622 | 28 nov. 1990 | 20 août 1991 | The Lubrizol Corporation | Three-step process for making substituted carboxylic acids and derivatives thereof |
| US5169409 | 17 mai 1990 | 8 déc. 1992 | Mobil Oil Corp. | Polymer modified hydroxyalkylene substituted polyamines as lubricant and fuel additives |
