Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618888 | Process for preparing emulsion polymers having a hollow structure | Tae Hwan Jang, Jin-Nyoung Yoo, Chan-Hong Lee | 1997-04-08 |
| 5508381 | Process for preparing highly water absorbent resin | Tae Hwan Jang, Hyung-Mann Lee, Myung Joong Kim | 1996-04-16 |
| 5314952 | Processes for producing highly water absorptive resins | Huyng M. Lee, Myung Joong Kim, Tae Hwan Jang | 1994-05-24 |
| 5032628 | Process for the preparation of a highly water absorptive resin from acrylic resin, epoxy crosslinker and hydrophilic silicate | Hyung-Mann Lee | 1991-07-16 |