Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7922782 | Catalytic steam gasification process with recovery and recycle of alkali metal compounds | — | 2011-04-12 |
| 5059406 | Desulfurization process | William A. Butler | 1991-10-22 |
| 5057294 | Recovery and regeneration of spent MHD seed material by the formate process | Jeffrey K. Holt, Darryll G. Rasnake, Robert L. Solomon, Gregory L. Wilson, Howard R. Herrigel | 1991-10-15 |
| 4917874 | Desulfurization process | William A. Butler | 1990-04-17 |
| 4309398 | Conversion of alkali metal sulfate to the carbonate | — | 1982-01-05 |