Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660931 | Polymeric film with paper-like characteristics | Sang-Il Kim, Young Jin Lee, Bum-Sang Kim, Ju-Ik Son | 1997-08-26 |
| 5602195 | Polymeric film and process for the preparation thereof | Sang-Il Kim, Young Jin Lee, Bum-Sang Kim | 1997-02-11 |