Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 | Andrew Greaves | 2011-12-06 |
| 8038731 | Method of dyeing and lightening keratin materials in the presence of a reducing agent comprising a fluorescent disulphide dye | Andrew Greaves, 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 | Andrew Greaves | 2011-10-18 |
| 8034125 | Dye composition comprising at least one colorless disulfide/thiol precursor, and dyeing process using the composition | Andrew Greaves | 2011-10-11 |
| 7967872 | Azo quinolinium compounds comprising a disulphide/thiol unit, compositions containing same, process for dyeing keratin fibres and device | Andrew Greaves | 2011-06-28 |