Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6602952 | Hydrogels derived from chitosan and poly(ethylene glycol) or related polymers | Xuan Zhao | 2003-08-05 |
| 6541015 | Hydrolytically degradable carbamate derivatives of poly(ethylene glycol) | Xuan Zhao | 2003-04-01 |
| 6514491 | Hydrolytically degradable carbamate derivatives of poly(ethylene glycol) | Xuan Zhao | 2003-02-04 |