Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824570 | Composition for dyeing human keratin fibres, comprising a particular monocationic monoazo dye | Aziz Fadli | 2004-11-30 |
| 6733540 | Use of 2-(sulphonylamino)phenols as couplers in oxidation coloring | Jean-Baptiste Saunier | 2004-05-11 |
| 6679923 | Composition for dyeing keratin fibers, comprising a pyrazoline-4,5-dione and an aromatic primary amine | Gerard Malle, Mireille Maubru | 2004-01-20 |