Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6645258 | 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 | 2003-11-11 |
| 6635091 | Compositions for the oxidation dyeing of keratinous fibers comprising at least one coupler, and dyeing methods | Jean-Baptiste Saunier | 2003-10-21 |
| 6605124 | Cationic couplers and their use for oxidation dyeing | Jean J. Vandenbossche, Jean-Baptiste Saunier, Alain Lagrange | 2003-08-12 |
| 6551360 | Pyrazoline-3,5-dione-containing compositions for dyeing keratin fibres; their use in dyeing as couplers; dyeing process | Gerard Malle | 2003-04-22 |
| 6544298 | Compositions for oxidation dyeing keratin fibres comprising a cationic coupler novel cationic couplers their use for oxidation dyeing and dyeing methods | Jean-Baptiste Saunier | 2003-04-08 |
| 6537329 | Cationic 2-sulphonylaminophenols, their use as couplers for oxidation dyeing, compositions containing them and dyeing methods | Jean-Baptise Saunier | 2003-03-25 |