Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658454 | Hydrocarbon coversion using improved zeolite Beta catalyst | Robert P. L. Absil, Thomas F. Degnan, George H. Hatzikos, Jocelyn A. Kowalski, Thomas Mebrahtu | 1997-08-19 |
| 5601699 | Method for cracking hydrocarbons | Thomas F. Degnan, Terry E. Helton | 1997-02-11 |