Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691172 | Cosmetic composition containing as colorant at least one 5-methoxy-8-methyl-2-phenyl-7H-1-benzopyran-7-one derivative | Richard Martin, Georges Hussler | 1997-11-25 |
| 4963480 | Process for the preparation of gamma-irone | Didier Courtois, Charles Ehret | 1990-10-16 |