Issued Patents All Time
Showing 1–25 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11730688 | Composition for dyeing the hair, comprising a heterocyclic oxidation base and a 2-amino-5-ethylphenol coupler | Valérie Nicou, Frédéric Le Grand | 2023-08-22 |
| 11555017 | Oxidation base derived from 1-hexyl-4,5-diaminopyrazole, composition containing same and use thereof in oxidation dyeing of keratin fibres | — | 2023-01-17 |
| 11504318 | Symmetric azomethine direct dyes, process for their preparation, cosmetic composition comprising at least one such dye and use thereof | Stéphane Sabelle, Stéphane Blais | 2022-11-22 |
| 11406580 | Use of dihydroisoquinolinium salts for treating keratin materials, compositions and implementation processes | Stéphane Sabelle, Alexandra Charrier | 2022-08-09 |
| 11406579 | Use of dihydroisoquinolinium double derivatives for treating keratin materials, compositions and implementation processes | Stéphane Sabelle | 2022-08-09 |
| 11324682 | Composition for dyeing the hair, comprising an oxidation base of para-phenylenediamine type and a 2-amino-5-ethylphenol coupler | Valérie Nicou, Frédéric Le Grand | 2022-05-10 |
| 11213471 | Composition for dyeing the hair, comprising an oxidation base, a 2-amino-5-ethylphenol coupler and a fatty substance | Valérie Nicou, Frédéric Legrand | 2022-01-04 |
| 11117864 | Use for dyeing keratin fibers of a compound of azomethine type bearing a quinoline-derived unit | Stéphane Sabelle | 2021-09-14 |
| 11083679 | Use of substituted dihydroisoquinolinium salts for treating keratin materials, compositions and implementation processes | Stéphane Sabelle, Alexandra Charrier | 2021-08-10 |
| 10959930 | Process for dyeing keratin fibres using at least one particular triarylmethane dye and at least one fluorescent dye | Christian Blaise, Hervé David | 2021-03-30 |
| 10927259 | Dissymmetric azomethine direct dyes and process for their preparation, cosmetic composition comprising at least one such dye and use thereof | Stéphane Sabelle, Stéphane Blais | 2021-02-23 |
| 10889718 | Azomethine direct dyes bearing at least one cationic charge, cosmetic composition comprising at least one such dye, implementation process therefor and use thereof | Stéphane Blais, Stéphane Sabelle | 2021-01-12 |
| 10731038 | (Dis)symmetric azomethine-type direct dye comprising at least one pyrazolopyridine unit, process for dyeing keratin fibers using this dye | Stéphane Sabelle, Stéphane Blais | 2020-08-04 |
| 10568821 | Dye composition comprising a para-phenylenediamine oxidation base and a heterocyclic oxidation base | Valérie Nicou, Isabelle Rollat | 2020-02-25 |
| 10245223 | Use for dyeing keratin fibres of a compound of azomethine type bearing a pyrazolopyridine unit | — | 2019-04-02 |
| 10240043 | Use for dyeing keratin fibres of a compound of azomethine type bearing two pyrazolopyridine units | Stéphane Blais | 2019-03-26 |
| 10195126 | Dye composition comprising a para-phenylenediamine oxidation base and a heterocyclic oxidation base | Valérie Nicou, Isabelle Rollat | 2019-02-05 |
| 9980893 | Dye composition comprising a 1,2,3,4-tetrahydropyrido[2,3-b]pyrazin-7-amine compound | Stéphane Blais | 2018-05-29 |
| 9364404 | Dye composition comprising a cationic O-alkyl-substituted meta-phenylenediamine derivative | — | 2016-06-14 |
| 9345653 | Dye composition comprising a cationic meta-phenylenediamine | — | 2016-05-24 |
| 9271910 | Dye composition comprising a cationic para-aminophenol oxidation base | — | 2016-03-01 |
| 9233060 | Coupler with 7-amino-1,2,3,4-tetrahydroquinoline structure, dyeing composition comprising same, processes and uses | — | 2016-01-12 |
| 9125834 | Dye composition comprising a heterocyclic oxidation base and a 4-aminoindole coupler | Anne-Marie Couroux, Valérie Nicou | 2015-09-08 |
| 9107848 | Coupler with cationic 7-amino-1,2,3,4-tetrahydroquinoline structure, dyeing composition comprising same, processes and uses | — | 2015-08-18 |
| 9078828 | Cationic tetrahydropyrazolopyridines, dye composition comprising such oxidation bases, implementation process therefor and use thereof | — | 2015-07-14 |