Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500213 | Oxidizing hair coloring agents containing 2,5-diamino-1-phenylbenzene derivatives and novel 2,5-diamino-1-phenylbenzene derivatives | Laurent Chassot | 2002-12-31 |
| 6436152 | Substituted 2-aminoalky-1,4-diaminobenzene compounds and oxidation dye precursor compositions containing same | Laurent Chassot | 2002-08-20 |
| 6379400 | Dye compositions and methods of dyeing keratin fibers | Pascal Andre Semadeni | 2002-04-30 |