Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855274 | Process for making a noble metal on tin oxide catalyst | Billy T. Upchurch, Patricia A. Davis | 1989-08-08 |
| 4839330 | Isotope exchange in oxide-containing catalyst | Robert V. Hess, Billy T. Upchurch, Kenneth G. Brown, David R. Schryer, Barry D. Sidney +2 more | 1989-06-13 |
| 4829035 | Reactivation of a tin oxide-containing catalyst | Billy T. Upchurch, Kenneth G. Brown, Robert V. Hess, David R. Schryer, Barry D. Sidney +2 more | 1989-05-09 |