Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6695887 | COMPOSITIONS FOR OXIDATION DYEING KERATIN FIBERS COMPRISING AT LEAST ONE FATTY ALCOHOL HAVING MORE THAN TWENTY CARBON ATOMS AND AT LEAST ONE OXYALKYLENATED NONIONIC SURFACTANT WITH AN HLB GREATER THAN 5 | Francois Cottard | 2004-02-24 |
| 6436151 | COMPOSITIONS FOR OXIDATION DYEING KERATIN FIBERS COMPRISING AT LEAST ONE OXIDATION DYE, AT LEAST ONE THICKENING POLYMER COMPRISING AT LEAST ONE FATTY CHAIN, AND AT LEAST ONE FATTY ALCOHOL COMPRISING MORE THAN TWENTY CARBON ATOMS AND USES THEREOF | Francois Cottard | 2002-08-20 |
| 6436153 | Composition for the direct dyeing of keratin fibres with a cationic direct dye and a polyol and/or a polyol ether | — | 2002-08-20 |
| 6432146 | Use of a combination of two cationic dyes for the direct dyeing of keratin fibers | — | 2002-08-13 |
| 6190421 | Method for dyeing keratin fibres with oxidation dye precursors and direct powder dyes | Nicole Zemori | 2001-02-20 |
| 6001135 | Compositions and processes for dyeing keratin fibers with cationic direct dyes, oxidation bases, and oxidizing agents | Jean Cotteret, Roland De La Mettrie | 1999-12-14 |
| 5993490 | Composition for the oxidation dyeing of keratin fibers containing a cationic direct dye and dyeing process using this composition | Jean Cotteret, Roland De La Mettrie | 1999-11-30 |
| 5919273 | Compositions and processes for dyeing keratin fibers with an oxidation base, a coupler, a cationic direct dye, and an oxidizing agent | Jean Cotteret, Roland De La Mettrie | 1999-07-06 |
| 5879412 | Compositions and processes for dyeing keratin fibers with an oxidation base, a coupler, a cationic direct dye, and an oxidizing agent | Jean Cotteret, Roland De La Mettrie | 1999-03-09 |
| 5824296 | Solid hair composition containing a particular structuring agent | Claude Dubief, Arnaud De Labbey, Roland De La Mettrie | 1998-10-20 |