Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8105394 | Azomethine direct dyes or reduced precursors of azomethine direct dyes obtained from 2-alkylresorcinols, and hair dyeing process using these dyes or precursors | Madeleine Leduc, Stéphane Sabelle, Christophe Rondot | 2012-01-31 |
| 8083809 | Azomethine direct dyes or reduced precursors of these dyes obtained from 2-chloro-3-amino-6-methylphenol, and hair dyeing method starting from these dyes and precursors | Madeleine Leduc, Stéphane Sabelle, Christophe Rondot | 2011-12-27 |
| 8066782 | Azomethine direct dyes or reduced precursors of azomethine direct dyes obtained from 2-alkylresorcinols, and hair dyeing process using these dyes or precursors | Madeleine Leduc, Stéphane Sabelle, Christophe Rondot | 2011-11-29 |
| 8034124 | Azo derivatives containing a pyrazolinone unit for dyeing keratin fibres | Aziz Fadli | 2011-10-11 |
| 7776107 | Aminoindolizines, dyeing composition comprising at least one aminoindolizine, methods and uses thereof | Laurent Vidal, Aziz Fadli, Alan R. Katritzky | 2010-08-17 |
| 7582123 | Coloring composition comprising at least one azomethine compound with a pyrazolinone unit | Aziz Fadli | 2009-09-01 |
| 7435268 | N-alkylhydroxylated secondary para-phenylenediamine compounds, composition for dyeing keratin fibers comprising the same, and dyeing processes using the composition | Stéphane Sabelle | 2008-10-14 |
| 7429278 | N-alkyleheteroaryl secondary para-phenylenediamine and composition comprising such a para-phenylenediamine | Stéphane Sabelle | 2008-09-30 |
| 7422609 | Double para-phenylenediamines joined by an aromatic group for dyeing keratin fibers | Stéphane Sabelle | 2008-09-09 |
| 7396367 | Double secondary para-phenylenediamine compounds, dye compositions comprising same, and dyeing process using the compositions | Xavier Radisson, Henri Samain, Stéphane Sabelle | 2008-07-08 |
| 7384432 | Secondary para-phenylenediamines having a carboxyl group, dye compositions comprising the same, and dyeing processes using the compositions | Stéphane Sabelle, Philippe Breton | 2008-06-10 |
| 7347879 | Sulfur-containing secondary para-phenylenediamines dye compositions comprising such para-phenylenediamines, processes, and uses thereof | Stéphane Sabelle | 2008-03-25 |
| 7329288 | N-heteroaryl secondary para-phenylenediamine, a dye composition comprising such a para-phenylenediamine, a process for preparing this composition and use thereof | Stéphane Sabelle | 2008-02-12 |
| 7311737 | Secondary para-phenylenediamine compounds comprising N-alkylfluorine, dye compositions comprising them and processes of dyeing therewith | Stéphane Sabelle | 2007-12-25 |