Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6475247 | Naphthalene cationic coupler for oxidation dyeing of keratin fiber | Alain Lagrange | 2002-11-05 |
| 6391062 | Use of cationic fused polycyclic compounds for dyeing keratin substances, dye compositions and dyeing processes | Alain Lagrange | 2002-05-21 |