Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616733 | Preparation method for 2-coumaranone | Jean-Claude Vallejos, Alain Perrard, Pierre Gallezot | 1997-04-01 |
| 5600001 | Acetaldehyde derivatives, their preparation process and their use | Alain Schouteeten | 1997-02-04 |