Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9849439 | Superabsorbent polymer and preparation method thereof | Jin Sook Ryu, Sung Hyun Park, Myung Han Lee | 2017-12-26 |
| 9808787 | Super absorbent polymer and preparation method thereof | Chul Hee Ryu | 2017-11-07 |