Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6645259 | Cationic aminoanthraquinones, their use for dyeing keratinous fibers, dyeing compositions containing them and methods of dyeing | Alain Lagrange | 2003-11-11 |
| 6638321 | Cationic oxidation bases, their use for oxidation dyeing of keratin fibres, dyeing compositions and dyeing methods | Alain Lagrange | 2003-10-28 |
| 6565614 | Cationic oxidation bases, their use for oxidation dyeing of keratin fibres, dyeing compositions and dyeing methods | Alain Lagrange | 2003-05-20 |
| 6554872 | Cationic aminodianthraquinones, use, dyeing compositions containing them and methods of dyeing | Alain Lagrange | 2003-04-29 |