Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818370 | Process for converting heavy crudes, tars, and bitumens to lighter products in the presence of brine at supercritical conditions | A. A. Gregoli, Frederic Leder | 1989-04-04 |