Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10245223 | Use for dyeing keratin fibres of a compound of azomethine type bearing a pyrazolopyridine unit | — | 2019-04-02 |
| 10240043 | Use for dyeing keratin fibres of a compound of azomethine type bearing two pyrazolopyridine units | Stéphane Blais | 2019-03-26 |
| 10195126 | Dye composition comprising a para-phenylenediamine oxidation base and a heterocyclic oxidation base | Valérie Nicou, Isabelle Rollat | 2019-02-05 |