|
| US3989618 | 31 May 1974 | 2 Nov 1976 | Standard Oil Company (Indiana) | Process for upgrading a hydrocarbon fraction |
| US4446012 | 26 Jul 1983 | 1 May 1984 | Allied Corporation | Process for production of light hydrocarbons by treatment of heavy hydrocarbons with water |
| US4543177 | 11 Jun 1984 | 24 Sep 1985 | Allied Corporation | Production of light hydrocarbons by treatment of heavy hydrocarbons with water |
| US4743357 | 26 Dec 1985 | 10 May 1988 | Allied Corporation | Catalytic process for production of light hydrocarbons by treatment of heavy hydrocarbons with water |
| US4778586 | 5 Jun 1987 | 18 Oct 1988 | Resource Technology Associates | Viscosity reduction processing at elevated pressure |
| US4818371 | 5 Jun 1987 | 4 Apr 1989 | Resource Technology Associates | Viscosity reduction by direct oxidative heating |
| US4840725 | 19 Jun 1987 | 20 Jun 1989 | The Standard Oil Company | Conversion of high boiling liquid organic materials to lower boiling materials |
| US5008085 | 31 Mar 1989 | 16 Apr 1991 | Resource Technology Associates | Apparatus for thermal treatment of a hydrocarbon stream |