Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879284 | Naphthalene derivatives having retinoid type action, the process for preparation thereof and medicinal and cosmetic compositions containing them | Jean Maignan, Serge Restle, Gerard Malle | 1989-11-07 |
| 4828819 | Compositions containing bis-(quaternary ammonium) derivatives for the treatment of keratin materials and natural non-keratin or synthetic textile materials | Serge Forestier | 1989-05-09 |