Patent FR-2968966-A1 (FR)
Title: Composition, useful for dyeing keratin fibers such as hair, comprises, in a medium, oxidation base comprising 2-((2-(4-amino-phenylamino)-ethyl)-(2-hydroxy-ethyl)-amino)-ethanol and coupler comprising cationic aminopyridine derivatives
Inventor: COUROUX ANNE-MARIE
IPC: A61K8/41
Filed: 2010-12-17
Abstract: Composition (A) comprises, in a medium, at least one oxidation base comprising 2-[[2-(4-amino-phenylamino)-ethyl]-(2-hydroxy-ethyl)-amino]-ethanol (I) and its addition salts, solvates and solvates of its salts; and at least one coupler comprising cationic aminopyridine derivatives (II), and their addition salts, or solvates and its salts. Composition (A) comprises, in a medium, at least one oxidation base comprising 2-[[2-(4-amino-phenylamino)-ethyl]-(2-hydroxy-ethyl)-amino]-ethanol (I) and its addition salts, solvates and solvates of its salts; and at least one coupler comprising cationic aminopyridine derivatives of formula (II), and their addition salts, or solvates and its salts. Z1 : O or NR2a; either R2a : H or 1-4C-alkyl, benzyl or acetyl; and R1a : a saturated, linear or branched 1-10C-alkyl group, substituted or interrupted with a cationic radical, optionally interrupted with one or more oxygen atoms and/or with one or more groups NR2a, optionally substituted with one or more radicals comprising hydroxyl, alkoxy, 1-4C-hydroxyalkyl groups, or optionally saturated or aromatic cationic 5-8 membered heterocycle optionally substituted with one or more groups comprising 1-4C-alkyl, hydroxyl, 1-4C-alkoxy, amino, 1-4C-alkylamino, di(1-4C)alkylamino, thio, (1-4C)alkylthio, carboxyl, (1-4C)alkylcarbonyl, sulfonyl, amido or 1-4C-hydroxyalkyl; or R1aNR2a (when Z1 represents NR2a) : a cationic, optionally saturated 5-8-membered heterocycle (optionally substituted with one or more group of 1-10C alkyl groups, hydroxyl, 1-4C alkoxy, amino, (1-4C)alkylamino, di(1-4C)alkylamino, thio, (1-4C)alkylthio, carboxyl, (1-4C)alkylcarbonyl, sulfonyl, amido or 1-4C hydroxyalkyl, where the heterocycle is optionally containing one or more heteroatoms of N or O, preferably N), or a non-cationic, optionally saturated 5-8-membered heterocycle, substituted with a cationic group and optionally substituted with one or more 1-10C alkyl groups, hydroxyl, 1-4C alkoxy, amino, (1-4C)alkylamino, di(1-4C)alkylamino, thio, (1-4C)alkylthio, carboxyl, (1-4C)alkylcarbonyl, sulfonyl, amido or 1-4C hydroxyalkyl groups; R3a : H, halo (preferably F, Cl or Br), 1-4C-alkyl, -COOH or 1-4C-alkoxycarbonyl; and An -> : anion or its mixture, preferably the cationic radical is trimethylammonium, triethylammonium, dimethylethyl ammonium, diethylmethylammonium, diisopropylmethylammonium, diethylpropylammonium, hydroxyethyldiethylammonium, di-beta-hydroxyethylmethylammonium, tri-beta-hydroxyethylammonium, piperidinium, N-methylpiperidinium, pyrrolidinium, N-methylpyrrolidinium, morpholinium, N-methylmorpholinium, imidazolium, hydroxyethylimidazolium, methylimidazolium, piperazinium or N-methylpiperazinium groups. Independent claims are included for: (1) process for dyeing keratin fibers comprising applying the composition on the keratin fibers in the presence of at least one oxidizing agent for a time sufficient to develop the desired color; and (2) multi-compartment device comprising a first compartment containing a dye composition and a second compartment containing at least one oxidizing agent. [Image].