Issued Patents All Time
Showing 26–50 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8623100 | 4-aminoindole derivatives and use thereof for the oxidation dyeing of keratin fibres | Fatima Makhlouf | 2014-01-07 |
| 8585778 | Cationic 6-aminoindolines, dyeing compositions containing them, processes and uses thereof | — | 2013-11-19 |
| 8568491 | Cationic 4-aminoindoles, dye composition comprising a cationic 4-aminoindole, processes therefor and uses thereof | — | 2013-10-29 |
| 8491669 | Cationic 4-aminopyridine, dye composition comprising a cationic 4-aminopyridine, processes therefor and uses thereof | — | 2013-07-23 |
| 8366792 | Dye composition comprising a heterocyclic oxidation base and an indole coupler | Anne-Marie Couroux | 2013-02-05 |
| 8034124 | Azo derivatives containing a pyrazolinone unit for dyeing keratin fibres | Eric Metais | 2011-10-11 |
| 7892294 | Method for dyeing keratin fibers using at least one compound of azomethine type comprising a pyrazolopyridine unit | Stéphane Blais | 2011-02-22 |
| 7887601 | Compounds of azomethine type comprising a cationic pyrazolopyridine unit, for dyeing keratin fibres | Stéphane Blais | 2011-02-15 |
| 7857864 | Composition for the dyeing of keratin fibers comprising at least one 3-amino-pyrazolopyridine derivative | Laurent Vidal, Stéphane Sabelle | 2010-12-28 |
| 7776107 | Aminoindolizines, dyeing composition comprising at least one aminoindolizine, methods and uses thereof | Laurent Vidal, Eric Metais, Alan R. Katritzky | 2010-08-17 |
| 7648536 | Method of coloring keratinous fibers comprising application of at least one aminopyrazolopyridine oxidation base in the absence of chemical oxidizing agents | Jean-Baptiste Saunier | 2010-01-19 |
| 7642360 | Composition for dyeing keratinous fibers comprising at least one diamino-N,N-dihydropyrazolone derivative | Laurent Vidal | 2010-01-05 |
| 7635394 | Composition for the dyeing of keratin fibers comprising at least one 3-amino-pyrazolopyridine derivatives | Laurent Vidal, Stéphane Sabelle | 2009-12-22 |
| 7582123 | Coloring composition comprising at least one azomethine compound with a pyrazolinone unit | Eric Metais | 2009-09-01 |
| 7578855 | Composition for dyeing keratin fibers comprising at least one cationic 3-amino-pyrazolopyridine derivative, and methods of use thereof | — | 2009-08-25 |
| 7288124 | Heteroaromatic binuclear black direct dyes | — | 2007-10-30 |
| 7285137 | Composition for dyeing keratinous fibers comprising at least one diamino-N,N-dihydropyrazolone derivative | Laurent Vidal | 2007-10-23 |
| 7238211 | 6-alkoxy-2,3-diaminopyridine couplers in which the amino radical in position 2 is a disubstituted amino radical, and use of these couplers for dyeing keratin fibres | Laurent Vidal | 2007-07-03 |
| 7175670 | Couplers of 2,3,5-triaminopyridine and use of the same for dyeing keratin fibers | Laurent Vidal | 2007-02-13 |
| 7044987 | 6-alkoxy-2,3-diaminopyridine couplers in which the amino radical in position 2 is a monosubstituted amino radical, and use of these couplers for dyeing keratin fibres | Laurent Vidal | 2006-05-16 |
| 7022143 | Dyeing composition for dyeing keratinous fibers comprising a cationic azo-dye | Laurent Vidal | 2006-04-04 |
| 6916345 | 6-alkoxy-2,3-diaminopyridine couplers for dyeing keratin fibres | Laurent Vidal | 2005-07-12 |
| 6884267 | Dyeing composition for dyeing keratinous fibers comprising at least one cationic azo-dye | Laurent Vidal | 2005-04-26 |
| 6837908 | 2,5-diaminopyridine oxidation bases for the dyeing of keratin fibres | Laurent Vidal | 2005-01-04 |
| 6824570 | Composition for dyeing human keratin fibres, comprising a particular monocationic monoazo dye | Laurent Vidal | 2004-11-30 |