Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4764269 | Cracking catalyst | Grant C. Edwards, Jean-Pierre Gilson | 1988-08-16 |
| 4681864 | Cracking catalyst | Grant C. Edwards, Jean-Pierre Gilson | 1987-07-21 |
| 4368922 | Method for solution mining of complex carbonaceous materials | Adley W. Hemphill, Joseph T. Lundquist | 1983-01-18 |
| 4316807 | Viscosifying agent | Nelson S. Marans | 1982-02-23 |
| 4218307 | Hydrocarbon cracking catalyst | — | 1980-08-19 |