Issued Patents 2011
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8075638 | Dichromophore carbonyl or heterocyclic dye, dye composition comprising this dye, process for dyeing keratin materials using this dye | — | 2011-12-13 |
| 8070830 | Fluorescent entity, dyeing composition containing at least one fluorescent entity comprising at least one heterocycle, with at least one internal cationic charge, and method for lightening keratin materials using said at least one fluorescent entity | Nicolas Daubresse | 2011-12-06 |
| 8038731 | Method of dyeing and lightening keratin materials in the presence of a reducing agent comprising a fluorescent disulphide dye | Nicolas Daubresse, Henri Samain | 2011-10-18 |
| 8038732 | Fluorescent entity, dyeing composition containing at least one fluorescent entity, and method for lightening keratin materials using said at least one fluorescent entity | Nicolas Daubresse | 2011-10-18 |
| 8034125 | Dye composition comprising at least one colorless disulfide/thiol precursor, and dyeing process using the composition | Nicolas Daubresse | 2011-10-11 |
| 8012220 | Specific monocationic monochromophoric compounds of hydrazone type comprising a 2-, 4-pyridinium or 2-, 4-quinolinium unit, synthesis thereof, dye compositions containing them, and method for dyeing keratin fibres | Hervé David, Nadège Murguet | 2011-09-06 |
| 7988741 | Specific naphthalmide-type dyes, dye composition comprising at least one such dye, process using same and uses | Tiina Luukas, Hervé David | 2011-08-02 |
| 7967872 | Azo quinolinium compounds comprising a disulphide/thiol unit, compositions containing same, process for dyeing keratin fibres and device | Nicolas Daubresse | 2011-06-28 |