Issued Patents All Time
Showing 51–63 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5434241 | Biodegradable poly(lactic acid)s having improved physical properties and process for their preparation | Kwang-Duk Ahn, Yang-Kyoo Han, Soo Hyun Kim, Jeong Beom Kim | 1995-07-18 |
| 5369188 | Process for direct addition of acid to polymers | — | 1994-11-29 |
| 5321162 | Hyperbranched aramids | — | 1994-06-14 |
| 5264543 | Hyperbranched aramid | — | 1993-11-23 |
| 5242995 | Perfluorocarbon-grafted polyurethane with improved blood compatibility and process for their preparation | Dong Keun Han | 1993-09-07 |
| 5216087 | Process for the preparation of sulfonated polyethyleneoxide-substituted polymers with improved blood compatibility | Seo Young Jeong, Kwang-Duk Ahn, Dong Keun Han | 1993-06-01 |
| 5216072 | Process for direct addition of acid to polymers | — | 1993-06-01 |
| 5116361 | Sulfonated polyethyleneoxide-substituted polymers with improved blood compatibility | Seo Young Jeong, Kwang-Duk Ahn, Dong Keun Han | 1992-05-26 |
| 5110858 | Tetrafluoroethylene polymer compositions containing particulate carbon | — | 1992-05-05 |
| 5070183 | Hyperbranched polyarylene | — | 1991-12-03 |
| 5026799 | Living cationic polymerization of vinylic unsaturated compounds | Thomas Heitz | 1991-06-25 |
| 4857630 | Hyperbranched polyarylene | — | 1989-08-15 |
| 4824881 | Method for making polyamide anion solutions | — | 1989-04-25 |