Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4950769 | Process for the manufacture of maleic anhydride utilizing peroxides to improve catalytic activity | John L. Cearley, Hassan Taheri | 1990-08-21 |
| 4663392 | Process for preparation of Mannich reaction products from oxidized polymers | Yoon Song | 1987-05-05 |