|
| US3932146 | 11 Jul 1974 | 13 Ene 1976 | Exxon Research and Engineering Company | Process for the fluid bed gasification of agglomerating coals |
| US3964882 | 9 Oct 1974 | 22 Jun 1976 | Shell Oil Company | Partial combustion process |
| US3968052 | 30 May 1974 | 6 Jul 1976 | Cogas Development Company | Synthesis gas manufacture |
| US3985519 | 27 Sep 1974 | 12 Oct 1976 | Exxon Research and Engineering Company | Hydrogasification process |
| US4071432 | 25 Jun 1976 | 31 Ene 1978 | Occidental Petroleum Corporation | Staged heating by oxidation of carbonaceous material |
| US4243489 | 13 Nov 1978 | 6 Ene 1981 | Occidental Petroleum Corp. | Pyrolysis reactor and fluidized bed combustion chamber |
| US4298453 | 27 Dic 1977 | 3 Nov 1981 | Mobil Oil Corporation | Coal conversion |
| US4857077 | 22 Dic 1986 | 15 Ago 1989 | Shell Oil Company | Process for removing flyslag from gas |
| US4929255 | 23 Ago 1988 | 29 May 1990 | A. Ahlstrom Corporation | Method for gasifying or combusting solid carbonaceous material |
| US4969930 | 8 Feb 1990 | 13 Nov 1990 | A. Ahlstrom Corporation | Process for gasifying or combusting solid carbonaceous material |
| US4969932 | 9 Mar 1990 | 13 Nov 1990 | Shell Oil Company | Flyslag treatment utilizing a solids-containing concentrated aqueous stream and a cementitious material |
| US4969933 | 9 Mar 1990 | 13 Nov 1990 | Shell Oil Company | Process for flyslag treatment utilizing a solids-containing concentrated aqueous stream |
| US5154732 | 11 Ene 1990 | 13 Oct 1992 | A. Ahlstrom Corporation | Apparatus for gasifying or combusting solid carbonaceous |
