Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5051389 | Catalyst composition prepared by vapor depositing onto a carbon support | Robert J. Lang, Claude C. Culross, William E. Winter | 1991-09-24 |
| 4824558 | Coal liquefaction process with metal/iodine cocatalyst | Peter S. Maa, William E. Winter, Gopal H. Singhal | 1989-04-25 |
| 4485008 | Liquefaction process | Peter S. Maa, Lavanga R. Veluswamy | 1984-11-27 |
| 4434045 | Process for converting petroleum residuals | Fritz E. Jacobs | 1984-02-28 |
| 4425224 | Process for converting petroleum residuals | Fritz E. Jacobs, Richard F. Bauman | 1984-01-10 |
| 4345989 | Catalytic hydrogen-donor liquefaction process | Lavanga R. Veluswamy, Charles A. Euker, Jr., Charles Mims | 1982-08-24 |
| 4338182 | Multiple-stage hydrogen-donor coal liquefaction | Peter S. Maa | 1982-07-06 |
| 4283267 | Staged temperature hydrogen-donor coal liquefaction process | Peter S. Maa | 1981-08-11 |
| 4250014 | Coal liquefaction process | Robert B. Long, Martin L. Gorbaty | 1981-02-10 |
| 4216078 | Hydrogenation of petroleum liquids using quinone catalysts | Karl W. Plumlee | 1980-08-05 |
| 4189371 | Multiple-stage hydrogen-donor coal liquefaction process | Peter S. Maa | 1980-02-19 |