Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345989 | Catalytic hydrogen-donor liquefaction process | Lonnie W. Vernon, Charles A. Euker, Jr., Charles Mims | 1982-08-24 |
| 4338184 | Coal conversion in the presence of added alkali metal compounds | Peter S. Maa, Charles Vadovic | 1982-07-06 |
| 4322283 | Coal conversion in the presence of added hydrogen sulfide | Peter S. Maa | 1982-03-30 |
| 4313816 | Staged temperature coal conversion process | Peter S. Maa | 1982-02-02 |