Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6323305 | Process for preparing polyethylene naphthalate based polymers by using NDCA or its derivates | Hyun-Nam Cho, Jae-Min Hong, Young Chan Ko, Il Seok Choi | 2001-11-27 |