Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679658 | N,O-carbonxymethylchitosan for prevention of surgical adhesions | — | 1997-10-21 |
| 5645844 | Negatively charged chitosan derivative semiochemical delivery system | Susan Elizabeth Henderson, Dennis T. Curran | 1997-07-08 |