Issued Patents 1989
Showing 1–4 of 4 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 | Gerard Land, Jean Maignan, Serge Restle | 1989-11-07 |
| 4833240 | Bicyclic aromatic derivatives, method for preparing them, and their use in human and veterinary medicine and in cosmetics | Jean Maignan, Gerard Lang, Serge Restle, Braham Shroot | 1989-05-23 |
| 4829080 | Aromatic benzopyranyl and benzopyranyl compounds; their preparation; and their use in cosmetic compositions and human and veterinary medicine | Jean Maignan, Gerard Lang, Serge Restle, Braham Shroot | 1989-05-09 |
| 4826969 | Bicyclic naphthalenic derivatives, a process for preparing the same and human or veterinary medicines and cosmetic compositions containing said derivatives | Jean Maignan, Gerard Lang, Serge Restle, Braham Shroot | 1989-05-02 |