Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5993791 | Oxidation dye composition for keratinous fibres comprising a para-aminophenol, a meta-aminophenol and a 2-substituted para-aminophenol | Jean Cotteret, Marie-Pascale Audousset, Alain Lagrange | 1999-11-30 |
| 5984975 | 3-substituted para-aminophenols and use thereof in dyeing keratinous fibers | Alain Lagrange, Jean Cotteret, Marie-Pascale Audousset | 1999-11-16 |
| 5703266 | 3-substituted para-aminophenols | Alain Lagrange, Jean Cotteret, Marie-Pascale Audousset | 1997-12-30 |
| 5580357 | Composition for the oxidation dyeing of keratinous fibres comprising a para-aminophenol, a meta-aminophenol and an ortho-aminophenol, and dyeing process using such a composition | Jean Cotteret, Marie-Pascale Audousset, Alain Lagrange | 1996-12-03 |
| 5567421 | Oxidation dye composition for keratinous fibres comprising a para-aminophenol, a meta-aminophenol and a para-phenylenediamine and/or a bis(phenylalkylenediamine) | Jean Cotteret, Marie-Pascale Audousset, Alain Lagrange | 1996-10-22 |
| 5556989 | Indoline compounds useful for dyeing keratinous fibres | Alain Lagrange, Herv e Andrean | 1996-09-17 |
| 5514188 | Oxidation dye composition for keratinous fibres comprising a para-aminophenol, 2-methyl-5-aminophenol and a para-phenylenediamine and/or a bis(phenylalkylenediamine) | Jean Cotteret, Marie-Pascale Audousset, Alain Lagrange | 1996-05-07 |
| 5500021 | Oxidation dye composition for keratinous fibres comprising a paraminophenol, a meta-aminophenol and a meta-phenylenediamine, and dyeing process using such a composition | Jean Cotteret, Marie-Pascale Audousset, Alain Lagrange | 1996-03-19 |
| 5427588 | Dyeing compositions containing indoline compounds and process for dyeing keratinous fibres | Alain Lagrange, Herve Andrean | 1995-06-27 |
| 4992586 | Process for preparing 2-nitro-meta-phenylenediamines | Alex Junino, Gerard Lang, Nicole Jehanno | 1991-02-12 |
| 4845293 | Dyeing composition containing halogenated 2-nitroanilines | Alex Junino, Gerard Lang, Nicole Jehanno | 1989-07-04 |
| 4797129 | Dye compositions for keratinous fibres containing 2-nitro-metaphenylenediamines | Alex Junino, Gerard Lang, Nicole Jehanno | 1989-01-10 |