Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8608808 | Composition for dyeing keratin fibers, including at least one ortho-diphenol derivative, one particular metal derivative, and one alkalinizing agent | Stéphane Sabelle, Alexandre Cavezza, Franco Manfre | 2013-12-17 |
| 8551189 | Composition comprising at least one 1,8-dihydroxynaphthalene derivative and at least one basifying agent different from aqueous ammonia, process for dyeing keratin fibres using the composition | Stéphane Sabelle, Karine Picolet | 2013-10-08 |
| 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, Eric Metais | 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, Eric Metais | 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, Eric Metais, Stéphane Sabelle | 2011-11-29 |