Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691263 | Amorphous perovskite catalysts for nitrogen oxide reduction and methods of preparing the same | Sang Un Park, Sang Ho Lee, Kyung Mi Kim, Jong San Jang | 1997-11-25 |
| 5674796 | Processes of regenerating Ni catalysts and of preparing Ni catalysts | Ho-In Lee, Sang-Heup Moon, Gyo Hyun Hwang, Byung-youl Coh, Seung-Hyun Hur +2 more | 1997-10-07 |