Issued Patents 2016
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9364404 | Dye composition comprising a cationic O-alkyl-substituted meta-phenylenediamine derivative | — | 2016-06-14 |
| 9345653 | Dye composition comprising a cationic meta-phenylenediamine | — | 2016-05-24 |
| 9271910 | Dye composition comprising a cationic para-aminophenol oxidation base | — | 2016-03-01 |
| 9233060 | Coupler with 7-amino-1,2,3,4-tetrahydroquinoline structure, dyeing composition comprising same, processes and uses | — | 2016-01-12 |