Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4414151 | Chromiferous complex dyestuffs, a process for their preparation and their application | Jacques Roussel | 1983-11-08 |
| 4348528 | Process for the preparation of 1-phenyl-3-carbamoyl-5-pyrazolones | Jacques Roussel | 1982-09-07 |