Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9901904 | Superabsorbent polymer and preparation method thereof | Seong Beom Heo, Mi Young Kim, Min Gyu Kim | 2018-02-27 |
| 5618888 | Process for preparing emulsion polymers having a hollow structure | Su B. Choi, Jin-Nyoung Yoo, Chan-Hong Lee | 1997-04-08 |
| 5508381 | Process for preparing highly water absorbent resin | Su B. Choi, Hyung-Mann Lee, Myung Joong Kim | 1996-04-16 |
| 5314952 | Processes for producing highly water absorptive resins | Su B. Choi, Huyng M. Lee, Myung Joong Kim | 1994-05-24 |