Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4637933 | Composition for cleaning the skin | Jean-Claude Contamin, Christian Zaffran, Constantin Koulbanis | 1987-01-20 |
| 4252826 | Cosmetic composition for removing makeup from the eyes | Jean-Paul Boelle, Constantin Koulbanis | 1981-02-24 |