Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4927952 | Silanol condensation products | Jean Gueyne | 1990-05-22 |
| 4784854 | Cosmetic composition obtained from cellular cultures of conjunctive tissue | Jean Gueyne | 1988-11-15 |
| 4549990 | Manufacture of non-saponifiable compounds from natural substances and the resulting products | Jean Gueyne | 1985-10-29 |