Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5131911 | Use of indole derivative for dyeing keratin materials, tinctorial compositions, new compounds and dyeing process | Gerard Lang, Serge Forestier, Alex Junino, Herve Richard | 1992-07-21 |