Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5770539 | Lewis acid catalysts supported on porous polymer substrate | Frank J. Chen, Tze-Chiang Chung, Jon E. Stanat | 1998-06-23 |
| 5730876 | Separation and purification of low molecular weight chitosan using multi-step membrane separation process | Hyang-Ja You, Kil-Hyun Park, Yong Ho Kim, Yong-Ju Kim, Jae Hyeok Choi +1 more | 1998-03-24 |
| 5691431 | Cationic polymerization catalyzed by lewis acid catalysts supported on porous polymer substrate | Frank J. Chen, Tze-Chiang Chung, Jon E. Stanat | 1997-11-25 |