Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5636637 | Method for determining quantities characteristic of the behavior of a surface, in particular of the human skin, subjected to light radiation, and apparatus for implementation thereof | Alain Guiolet, Jean De Rigal | 1997-06-10 |
| 5618521 | Photoprotective/cosmetic compositions comprising antioxidants and filamentous bacterial extracts | Jean De Rigal, Jean-Claude Contamin, Lucien Aubert | 1997-04-08 |