Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5888920 | Integrated process using in situ regenerated sulfuric acid as catalyst | Tse-Chuan Chou, Chao-Shan Chou | 1999-03-30 |
| 5547655 | Recovery and regeneration of sulfuric acid | Tse-Chaun Chou | 1996-08-20 |