Patent FR-2925844-A1 (FR)
Title: Composition, useful for coloring human keratin fibers, preferably hair, comprises cationic direct dyes having tetraazapentamethine compound, meta-aminophenol type couplers and oxidation bases
Inventor: DE BONI MAXIME
IPC: A61K8/41
Filed: 2007-12-26
Abstract: Composition (A) for coloring keratin fibers, preferably human keratin fibers such as hair, comprises: one or more cationic direct dyes having tetraazapentamethine compound (I); one or more meta-aminophenol type couplers; and one or more oxidation bases, in a medium, where the weight ratio of the cationic direct dyes to the couplers is 0.01-0.9. Composition (A) for coloring keratin fibers, preferably human keratin fibers such as hair, comprises: one or more cationic direct dyes having tetraazapentamethine compound of formula (W 1-N=N-C(R 0)=N-N=W 2) (I); one or more meta-aminophenol type couplers; and one or more oxidation bases, in a medium, where the weight ratio of the cationic direct dyes to the couplers is 0.01-0.9. W 1heteroaromatic cationic group of formula (II) or (III); W 2heteroaromatic group of formula (IV) or (V); Z 0N, CR 2or NR 21; Z 1O, S, NR 9or CR 13; Z 2CR 10; Z 3CR 11; Z 4CR 12; Z 5N, CR 3, or C; Z 6N or CR 14; Z 7O, S, NR 15or CR 19; Z 8N or CR 16; Z 9N or CR 17; Z 10N or CR 18; Z 11N, CR 8or C; Z 12N or CR 20; Z 13CR 6, N or NR 22; T : OH, 1-2C alkoxy, 2-4C (poly)-hydroxyalkoxy, NH 2, (di)(1-2C alkyl)amino, carboxy or sulfonic group; R 1, R 4, R 5, R 7, R 9, R 15, R 21, R 221-8C alkyl (optionally substituted by 1-3 groups of T); either R 2, R 6, R 10, R 13, R 16, R 19H, 1-4C alkyl (optionally substituted by 1-3 groups of T), phenyl (optionally substituted by 1-3 groups of OH, 1-2C alkoxy, 2-4C (poly)-hydroxyalkoxy, NH 2or (di)(1-2C alkyl)amino), carboxy, or sulfoamino (HO 3S-NH-); and R 0, R 3, R 8, R 11, R 12, R 14, R 17, R 18, R 20H, 1-16C hydrocarbon chain (optionally saturated and substituted by 1-3 groups of T, sulfoamino, 2-4C (poly)hydroxyalkylamino or halo (preferably Cl, F or Br)), hydrocarbon chain (optionally interrupted by one or two O, N, S or SO 2), 1-4C alkoxy (optionally substituted by 1 or 2 OH groups), phenyl (optionally substituted by OH, 1-2C alkoxy, 2-4C (poly)hydroxyalkoxy, (di)(1-2C alkyl)amino, carboxy, sulfonic group or halo (preferably Cl, F or Br)), 5-6 membered aromatic heterocyclic groups (preferably pyrazolyl, pyrrolyl, imidazolyl, thiazolyl, oxazolyl, triazolyl, pyridinyl, pyrimidinyl, triazinyl, pyrazinyl or pyridazinyl or their cationic equivalents of N, or N having 1-6C alkyl), sulfoamino (HO 3S-NH-), carboxy, amino, (di)(1-4C alkyl)amino or 2-4C (poly)-hydroxyalkylamino; or R 2R 10, R 11R 12, R 6R 16, R 17R 185-6 membered aromatic cycle optionally substituted by one or two groups of OH, NH 2, (di)(1-2C alkyl)amino, 1-2C alkoxy, or 2-4C amino(poly)hydroxyalkyl; and X ->organic or inorganic anion. Where: the groups (II)-(V) does not have more than three nitrogen atoms, and two of the three nitrogen atoms can be adjacent; the bond a of 5 membered cationic heteroaromatic group (II) is linked to N, which is linked to W 1of (I); the bond b of 6 membered cationic heteroaromatic group (III) is linked to N, which is linked to W 2of (I); the double bond c of 5 membered heteroaromatic group (IV) is linked to the N, which is linked to W 2of (I); the double bond d of 6 membered heteroaromatic group (V) is linked to the N, which is linked to W 2of (I); the bond b, linking the heteroaromatic group (III) to N, which is linked to W 1of (I), is situated in ortho position of the N carrying the group R 4when Z 5is -CR 3-, or in para position of the N carrying the group R 4, when Z 5is C, or in ortho position of the N carrying the group R 4, when Z 5is N; or the bond c, linking the heteroaromatic group (V) to N, which is linked to W 2of (I), is situated in ortho position of the N carrying the group R 7, when Z 11is -CR 8-, or in para position of the N carrying the group R 7, when Z 11is C, or in ortho position of the N carrying the group R 7, when Z 11is N; and R 0, R 3, R 8, R 11, R 12, R 14, R 17, R 18and R 20are not having peroxide bond, diazo or nitroso group. Independent claims are included for: (1) a method of coloring keratin fibers, particularly human keratin fibers, comprising: either applying (A) to the fiber for a sufficient time to develop the desired coloration, rinsing and optionally shampooing, rinsing again and drying; or applying (A) to the fiber for a sufficient time to develop the desired coloration without final rinsing; or storing a composition (A1) comprising (I) in a medium, in separated form, and composition (B1) comprising one or more oxidizing agent and optionally a composition (C1), and then mixing at the time of use of (A1) and (B1) before applying the mixture on the keratin fibers, where (A1) and (C1) comprise one or more meta-aminophenol type coupler and the oxidation bases, where the coupler is present in a quantity such that the weight ratio of cationic direct dyes to the coupler in the final composition obtained by mixing the compositions (A1), (B1) and (C1) is 0.01-0.9, preferably 0.02-0.5; and (2) a device with several compartments or kit with several compartments, comprising a first compartment containing composition (A1), a second compartment containing the composition (B1) and a third compartment comprising the composition (C1). 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