Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4282013 | Vacuum pump operation in a maleic anhydride recovery system | Frederick C. Franklin | 1981-08-04 |
| 4259246 | Maleic anhydride production with recycle treatment | Kiran R. Bakshi, David Matthew Marquis | 1981-03-31 |
| 4231943 | Maleic anhydride production | David Matthew Marquis, Kiran R. Bakshi | 1980-11-04 |