Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9388309 | Polyester resin composition and a production method therefor | Dong Jin Kim, Won Jae Yoon, Jong-Ryang Kim, Yoo Jin Lee | 2016-07-12 |
| 9328195 | Method for preparing a polyester resin | Kyu Tae Park, Yoo Jin Lee, Jong-Ryang Kim | 2016-05-03 |