Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7288122 | Cationic diazo compounds, compositions comprising them as direct dye, process for dyeing keratin fibers and device therefor | Hervé David | 2007-10-30 |
| 7285138 | Cationic diazo compound, compositions comprising at least one cationic diazo compound as a direct dye, a process for dyeing keratin fibers and device therefore | Hervé David | 2007-10-23 |
| 7282069 | Cationic diazo compounds, compositions comprising them as direct dye, process for dyeing keratin fibers and device therefor | Hervé David | 2007-10-16 |
| 7282068 | Polycationic azo compounds for dyeing keratin fibers, dye composition containing the same, and methods for making such compounds | Alain Lagrange, Hervé David | 2007-10-16 |
| 7247713 | Symmetrical diazo compounds containing 2-pyridinium groups and cationic or non-cationic linker, compositions comprising them, method of coloring, and device | Hervé David, Nicolas Daubresse | 2007-07-24 |
| 7235645 | Cationic azo monomers or symmetric dimers, preparation thereof, compositions comprising same and process for dyeing keratin fibers | Berangere Baril | 2007-06-26 |
| 7220286 | Cationic direct triazo dyes, dye composition comprising them and process for dyeing keratin fibres using it | — | 2007-05-22 |
| 7208586 | Cationic diazo compounds, compositions comprising them as direct dye, process for dyeing keratin fibers and device therefor | Hervé David | 2007-04-24 |
| 7201779 | Dye composition comprising at least one direct dye containing mixed chromophores | Henri Samain, Gregory Plos, Leïla Hercouet | 2007-04-10 |
| 7182790 | Use of at least one ninhydrin derivative for dyeing | Gregory Plos | 2007-02-27 |
| 5973127 | Monoazo dyes substituted by haloalkylcarbamate and sulphonylfluoride groups | — | 1999-10-26 |