Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9993412 | Hair colouring method employing a chromene or chroman dye, a particular organic compound, an oxidizing agent, an alkaline agent and a metal salt | Boris Lalleman, Alain Lagrange | 2018-06-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9993412 | Hair colouring method employing a chromene or chroman dye, a particular organic compound, an oxidizing agent, an alkaline agent and a metal salt | Boris Lalleman, Alain Lagrange | 2018-06-12 |