Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12415886 | Polyester resin blend and article formed from the same | Yoo Jin Lee | 2025-09-16 |
| 12351679 | Crystalline polyester resin and manufacturing method thereof | Hyun-Woo Oh, Yoo Jin Lee | 2025-07-08 |
| 12331175 | Polyester film and preparation method thereof | Yoo Jin Lee | 2025-06-17 |
| 12275826 | Polyester resin using recycled bis(2-hydroxyethyl) terephthalate and article including same | Ji Hun Kim, Kwang-Woo PARK, Yoo Jin Lee, Joong Ki LEE | 2025-04-15 |
| 12264244 | Polyester resin blend | Yoo Jin Lee | 2025-04-01 |
| 12168723 | Stretched polyester film and method for preparing the same | Sangwoo Kim, Jiyeon Eom, Boo-Youn Lee | 2024-12-17 |
| 12077634 | Method for purifying bis-2-hydroxylethyl terephthalate and polyester resin comprising same | Kwang-Woo PARK, Yoo Jin Lee, Jong-In Lee | 2024-09-03 |
| 12071525 | Polyester film and preparation method thereof | Yoo Jin Lee | 2024-08-27 |
| 12018118 | Polyester resin comprising regenerated bis(2-hydroxyethyl)terephthalate and film | Sangwoo Kim, Ha Neul Kim, Boo-Youn Lee | 2024-06-25 |
| 11993706 | Polyester film and preparation method therefor | Yoo Jin Lee | 2024-05-28 |