Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6635091 | Compositions for the oxidation dyeing of keratinous fibers comprising at least one coupler, and dyeing methods | Laurent Vidal | 2003-10-21 |
| 6605124 | Cationic couplers and their use for oxidation dyeing | Jean J. Vandenbossche, Laurent Vidal, Alain Lagrange | 2003-08-12 |
| 6544298 | Compositions for oxidation dyeing keratin fibres comprising a cationic coupler novel cationic couplers their use for oxidation dyeing and dyeing methods | Laurent Vidal | 2003-04-08 |