Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4701433 | Process for improving phosphorus-vanadium oxide and phosphorus-vanadium-co-metal oxide catalysts | — | 1987-10-20 |
| 4699895 | Process for the manufacture of catalysts for the production of maleic anhydride | — | 1987-10-13 |
| 4652543 | Catalysts useful for the manufacture of maleic anhydride having a characteristic X-ray diffraction pattern | Bernard L. Meyers | 1987-03-24 |
| 4649205 | Process for the manufacture of maleic anhydride utilizing catalysts reactivated with alkyl esters of orthophosphoric acid in the presence of water | Carl A. Udovich | 1987-03-10 |
| 4564688 | Process for the production of maleic anhydride by the oxidation of butane | Carl A. Udovich | 1986-01-14 |
| 4546202 | Process for the recovery of cobalt and manganese from oxidation residue incinerator ash, pyrolysis sand and pyrolysis char | F. Austin Golson | 1985-10-08 |
| 4515904 | Catalysts for the production of maleic anhydride by the oxidation of butane | — | 1985-05-07 |
| 4510259 | Catalysts for the production of maleic anhydride by the oxidation of butane | Carl A. Udovich | 1985-04-09 |
| 4416802 | Catalysts for the production of maleic anhydride by the oxidation of butane | Carl A. Udovich | 1983-11-22 |