Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 | Nadège Murguet, Andrew Greaves | 2011-09-06 |
| 7988741 | Specific naphthalmide-type dyes, dye composition comprising at least one such dye, process using same and uses | Tiina Luukas, Andrew Greaves | 2011-08-02 |