Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4541916 | Coal liquefaction process using low grade crude oil | Harold Beuther, Thaddeus P. Kobylinski, Win-Chung Lee | 1985-09-17 |
| 4364818 | Control of pyrite addition in coal liquefaction process | James E. Junkin | 1982-12-21 |
| 4322389 | Integrated coal liquefaction-gasification plant | — | 1982-03-30 |
| 4230556 | Integrated coal liquefaction-gasification process | Norman L. Carr | 1980-10-28 |
| 4227991 | Coal liquefaction process with a plurality of feed coals | Norman L. Carr | 1980-10-14 |
| 4222845 | Integrated coal liquefaction-gasification-naphtha reforming process | — | 1980-09-16 |
| 4222846 | Coal liquefaction-gasification process including reforming of naphtha product | — | 1980-09-16 |
| 4222847 | Coal liquefaction process with improved slurry recycle system | Norman L. Carr | 1980-09-16 |
| 4222848 | Coal liquefaction process employing extraneous minerals | Norman L. Carr | 1980-09-16 |
| 4203823 | Combined coal liquefaction-gasification process | Norman L. Carr, Ronald Schleppy, Jr., Yatish T. Shah | 1980-05-20 |
| 4189374 | Coal liquefaction process employing internal heat transfer | Lawrence J. Kirby, Thomas E. Richardson, John V. Ward | 1980-02-19 |
| 4189375 | Coal liquefaction process utilizing selective heat addition | Lawrence J. Kirby, Thomas E. Richardson, John V. Ward | 1980-02-19 |