Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5164073 | Catalytic cracking catalyst containing diatomaceous earth | — | 1992-11-17 |
| 4645589 | Process for removing metals from crude | Frederick J. Krambeck, Paul H. Schipper | 1987-02-24 |
| 4620043 | Production of phenols and catalyst therefor | David M. Shannon | 1986-10-28 |
| 4567157 | Production of phenols and catalyst therefor | David M. Shannon | 1986-01-28 |
| 4417973 | Upgrading olefinic stocks via sequential hydroformylation/hydrogenation | Philip J. Angevine | 1983-11-29 |