Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5545364 | Process for the preparation of heat resistant polyester film | Sang-Il Kim, Young Jin Lee | 1996-08-13 |
| 5534215 | Process for the preparation of biaxially oriented polyester film | Sang-Il Kim, Young Jin Lee | 1996-07-09 |