Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793687 | Diaminopyrazole derivatives and oxidation hair dyes containing pyrazolone derivatives | Christel Dousse, Dominique Le Cruer | 2004-09-21 |
| 6740128 | Agent for coloring fibers | Catherine Mueller | 2004-05-25 |