Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423812 | Process of preparing polycarbonates | Young Chan Ko, Cheol-Hyun Kim, Kwang Soo Yoon, Seung Joo Kim, Kil-Yeong Choi +2 more | 2002-07-23 |
IC
Il Seok Choi
S-Oil: 1 patents #1 of 8Top 15%
Overall (2002): #201,543 of 266,432Top 80%
1
Patents 2002