Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364414 | Tinctorial composition for keratinous fibres containing oxidation dye precursors and aminoindole couplers, methods for dyeing using these compositions and new compounds | Gerard Lang, Alex Junino, Jean Cotteret | 1994-11-15 |
| 5354870 | Indole derivatives for dyeing keratin materials | Gerard Lang, Serge Forestier, Alex Junino, Herve Richard | 1994-10-11 |