Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4670257 | Cosmetic compositions containing retinal extracts for increasing epidermal cell growth | Isabelle Guedon born Saglier, Denis Barritault, Yves Courtois, Michel Prunieras | 1987-06-02 |
| 4533635 | Process for stimulating the growth of epidermal cells | Isabelle Guedon born Saglier, Denis Barritault, Yves Courtois, Michel Prunieras | 1985-08-06 |