Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4292282 | Process for recovering metals from catalysts for the hydrodesulfurization of hydrocarbons | Jay Y. Welsh, Pierre D. Schyns | 1981-09-29 |
| 4276268 | Process for preparing manganese nitrate solution | Jay Y. Welsh, Alain Mullier | 1981-06-30 |