Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824836 | Spiro (4,5) decone compounds | Gilbert Regnier, Claude Guillonneau, Jacques Duhault | 1989-04-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824836 | Spiro (4,5) decone compounds | Gilbert Regnier, Claude Guillonneau, Jacques Duhault | 1989-04-25 |