| 6645258 |
Composition for dyeing keratin fibers which contain at least one diaminopyrazole, dyeing process, novel diaminopyrazoles and process for their preparation |
Laurent Vidal, Gerard Malle, Michel Hocquaux |
2003-11-11 |
| 6338741 |
Composition for dyeing keratin fibers which contain at least one diaminopyrazole, dyeing process, novel diaminopyrazoles and process for their preparation |
Laurent Vidal, Gerard Malle, Michel Hocquaux |
2002-01-15 |
| 6118008 |
Diamino pyrazols, their synthesis, keratin fibre dyeing compositions containing them, keratin fibre dyeing methods |
Gerard Malle, Laurent Vidal, Mireille Maubru |
2000-09-12 |
| 6099592 |
Composition for dyeing keratin fibers which contain at least one diaminopyrazole, dyeing process, novel diaminopyrazoles and process for their preparation |
Laurent Vidal, Gerard Malle, Michel Hocquaux |
2000-08-08 |