Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464732 | Composition for dyeing keratin fibres, comprising a pyrazolin-4,5-dione and an aromatic primary amine | Gerard Malle, Mireille Maubru | 2002-10-15 |
| 6455737 | Cationic a -acylaminophenols, their use as coupler for oxidation dyeing, compositions containing them, and dyeing methods | Jean-Baptiste Saunier | 2002-09-24 |
| 6379395 | Pyrazolopyrimidinoxo-containing compositions for dyeing keratin fibres; their use in dyeing as couplers; dyeing processes | Gerard Malle | 2002-04-30 |
| 6379397 | Compositions for dyeing keratinous fibers comprising pyrazoloazoles; their use in dyeing as oxidation base and dyeing process; and novel pyrazoloazoles | Mireille Maubru | 2002-04-30 |
| 6340372 | Compositions for dyeing keratin fibers containing S-oxide-thiazolo-azoles and/or S,S-dioxide-thiazolo-azoles; their use for dyeing as couplers, method of dyeing | Gerard Malle | 2002-01-22 |
| 6338741 | Composition for dyeing keratin fibers which contain at least one diaminopyrazole, dyeing process, novel diaminopyrazoles and process for their preparation | Agnes Burande, Gerard Malle, Michel Hocquaux | 2002-01-15 |