Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10472481 | Method for preparing functional extract-containing polyvinyl alcohol film by heterogeneous saponification of polyvinyl acetate film | Jeong Hyun Yeum, Sung Hun Yoo | 2019-11-12 |