Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6525109 | Process of preparing polycarbonates using microwave | Kil-Yeong Choi, Jae-heung Lee, Young Chan Ko, Il Seok Choi, Cheol-Hyun Kim +1 more | 2003-02-25 |
| 6423812 | Process of preparing polycarbonates | Young Chan Ko, Il Seok Choi, Cheol-Hyun Kim, Kwang Soo Yoon, Seung Joo Kim +2 more | 2002-07-23 |