Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5021561 | Complexes of iron or other metals with sulphonated derivatives of chitosan | — | 1991-06-04 |
| 4990522 | Esterified ephedrine derivatives with prolonged antiulcer activity | — | 1991-02-05 |
| 4935444 | Esterified ephedrine drivatives with prolonged antiulcer activity | — | 1990-06-19 |