Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886931 | Upgrading low molecular weight hydrocarbons | James F. Brazdil, John M. Hupp, Robert K. Grasselli | 1989-12-12 |
| 4822944 | Energy efficient process for upgrading light hydrocarbons and novel oxidative coupling catalysts | James F. Brazdil, John S. Hattenberger, Richard E. Hildebrand | 1989-04-18 |
| 4797381 | Preparation of abrasion resistant alumina-supported vanadium-antimony oxidic catalysts | Andrew T. Guttmann, James F. Brazdil | 1989-01-10 |
| 4795848 | Method for upgrading a low molecular weight alkane with a lead-zirconate catalyst | Raymond G. Teller, James F. Brazdil, Ann M. Brussee | 1989-01-03 |