Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4567158 | Process for preparing phosphorus-vanadium mixed oxide oxidation catalysts | James T. Wrobleski, James W. Edwards, Charles R. Graham, Robert A. Keppel | 1986-01-28 |
| 4562268 | Process for producing maleic anhydride | James T. Wrobleski, James W. Edwards, Charles R. Graham, Robert A. Keppel | 1985-12-31 |
| 4560674 | Catalysts for the production of maleic anhydride | James T. Wrobleski, James W. Edwards, Charles R. Graham, Robert A. Keppel | 1985-12-24 |
| 4412940 | Method for preparing maleic anhydride catalyst | Ramon A. Mount | 1983-11-01 |
| 4337174 | Method for preparing a catalyst and intermediate formed thereby | Ramon A. Mount | 1982-06-29 |