Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5872249 | 3-ammoniopropenyl cephalosporin compounds as antibacterial agents and process for preparing the same | Hokoon Park, Yong Sup Lee, Jae Yeol Lee, Dae Hwan Suk | 1999-02-16 |
| 5675003 | 3-ammoniopropenyl cephalosporin compounds as antibacterial agents | Hokoon Park, Yong Sup Lee, Jae Yeol Lee, Dae Hwan Suk | 1997-10-07 |
| 5571909 | Cephalosporin compounds and processes for preparing thereof | Hokoon Park, Sun Ho Jung, Yong Sup Lee, Jae Yeol Lee | 1996-11-05 |