Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698104 | Purification process for hirudin using affinity chromatography | Sang Ki Rhee, Eui-Sung Choi, Jung Hoon Sohn, Deok-Joong Youn, Myung-Kuk Kim +1 more | 1997-12-16 |
| 4910139 | Method for continuously producing citric acid by dual hollow fiber membrane bioreactor | Ho Nam Chang | 1990-03-20 |