|
| US3931134 | 6 Jul 1971 | 6 Jan 1976 | Veba-Chemie AG | Process and apparatus for the separating out of coarse and/or heavy particles from a variable particle size and/or variable particle weight mixture of granular solids maintained in a vortex state |
| US4116823 | 31 Aug 1976 | 26 Sep 1978 | Occidental Petroleum Corporation | Vessel for stripping oil from fluidized ash and char particles |
| US4280903 | 6 Aug 1980 | 28 Jul 1981 | Brown & Williamson Tobacco Corporation | Apparatus for separating sand from botanical fines |
| US4714553 | 12 Jan 1987 | 22 Dec 1987 | BP Chemicals Limited | Treatment of catalyst particles |
| US4818417 | 9 Jul 1987 | 4 Apr 1989 | BP Chemicals Limited | Treatment of catalyst particles |
| US6391985 | 21 Oct 1999 | 21 May 2002 | Union Carbide Chemicals & Plastics Technology Corporation | High condensing mode polyolefin production under turbulent conditions in a fluidized bed |
| US6759489 | 20 May 2003 | 6 Jul 2004 | Eastern Petrochemical Co. | Fluidized bed methods for making polymers |
| US7954642 | 21 Sep 2009 | 7 Jun 2011 | U Chicago Argonne, LLC | Process and apparatus for separating solid mixtures |
| USRE29625 | 23 Aug 1976 | 9 May 1978 | Brown & Williamson Tobacco Corporation | Process and apparatus for separating sand from botanical materials |
