Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888026 | Use of hydroxynaphthoquinones for dyeing human keratin fibres | Gerard Lang, Serge Forestier, Jean F. Grollier, Georges Rosenbaum | 1989-12-19 |
| 4826681 | Anhydrous solution of hydrogen peroxide in an organic solvent and the use of the same in therapeutic and cosmetic formulations | Bernard Jacquet, Quintino Gaetani | 1989-05-02 |
| 4803228 | Unsaturated aromatic peroxides and their use in pharmaceutical and cosmetic compositions | Bernard Jacquet, Didier Semeria, Didier Saint-Leqer | 1989-02-07 |