Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10052273 | Hair dyeing method employing at least one ortho-diphenol, one titanium derivative and one carboxylic acid | Alain Lagrange | 2018-08-21 |
| 10010495 | Hair dyeing process using at least one ortho-diphenol and one organic salt of titanium and of a carboxylic acid | Alain Lagrange | 2018-07-03 |
| 9993409 | Composition for dyeing keratin fibres, comprising an oxidation base and a particular heteroaryl coupler | Alain Lagrange | 2018-06-12 |
| 9993412 | Hair colouring method employing a chromene or chroman dye, a particular organic compound, an oxidizing agent, an alkaline agent and a metal salt | Alain Lagrange, Françoise Albouy | 2018-06-12 |