Patent ID: 6432146
Filing Date: 2002-08-13
Classification: A61K,A61P,A61Q,C08L

Abstract:
A dyeing composition for keratin fibers, comprising, in a medium suitable for dyeing, (i) at least one cationic dye of formulae (I) to (III) defined below, and (ii) at least one cationic dye of formulae (IV) to (VII) defined below, wherein said composition does not contain a self-oxidizing dye or an oxidizing agent: wherein:R1 is a hydrogen atom or an amino radical; R2 is a hydrogen atom or a nitro group; R3 is a hydrogen atom, a nitro group or a C1-C4 alkoxy radical; R4 is a C1-C4 alkyl radical; R5 is a hydrogen atom or a para-tri(C1-C4)alkylammoniophenyl group; R6 is a bromine atom or an NH-para-tri-(C1-C4)alkylammoniophenyl group; and Xâˆ’ is an anion wherein:D is a nitrogen atom or a â€”CH group, R7 and R8, which may be identical or different, are chosen from a hydrogen atom; a 4â€²-aminophenyl radical; and a C1-C4 alkyl radical which can be substituted with a â€”CN, â€”OH or â€”NH2 radical or which can form, with the nitrogen atom to which it is attached and with a carbon atom of the benzene ring of formula (IV), a heterocycle optionally comprising one or more oxygen atoms or additional nitrogen atoms, said heterocycle being optionally substituted with one or more identical or different C1-C4 alkyl radicals; R9 and Râ€²9, which may be identical or different, are chosen from a hydrogen atom; a halogen atom chosen from chlorine, bromine, iodine and fluorine; a cyano radical; a C1-C4 alkyl radical; a C1-C4 alkoxy radical; and an acetyloxy radical; Xâˆ’ is an anion; and A is a group chosen from structures A1 to A19 below: â€ƒwherein: R10 is a C1-C4 alkyl radical which can be substituted with a hydroxyl radical; and R11 is a C1-C4 alkoxy radical; with the overall provisos for formula (IV) that:(i) when D is â€”CH, A is A4 or A13, and R9 is other than an alkoxy radical, then at least one of R7 and R8 is not a hydrogen atom; and (ii) when D is a nitrogen atom, and A is A6, then at least one of R7 and R8 is not a methyl radical; wherein:R12 is a hydrogen atom or a C1-C4 alkyl radical; R13 is chosen from a hydrogen atom; an alkyl radical which can be substituted with a â€”CN radical or with an amino group; and a 4â€²-aminophenyl radical; or wherein R13 forms, together with R12 and the nitrogen atom to which they are attached, a heterocycle optionally containing one or more oxygen atoms and/or additional nitrogen atoms, said heterocycle being optionally substituted with a C1-C4 alkyl radical; R14 and R15, which may be identical or different, are chosen from a hydrogen atom, a halogen atom; a C1-C4 alkyl radical; a C1-C4 alkoxy radical; and a â€”CN radical; Xâˆ’is an anion; and B is a group chosen from structures B1 to B6 below: â€ƒwherein: R16 is a C1-C4 alkyl radical; and R17 and R18, which may be identical or different, are chosen from a hydrogen atom and a C1-C4 alkyl radical; wherein:R19 is chosen from a hydrogen atom; a C1-C4 alkoxy radical; a halogen atom; and an amino radical; R20 is a hydrogen atom or a C1-C4 alkyl radical; or wherein R20 forms, with the nitrogen atom to which it is attached and with a carbon atom of the benzene ring of formula (VI), a heterocycle optionally comprising one or more oxygen atoms and optionally substituted with one or more identical or different C1-C4 alkyl groups; R21 is a hydrogen or a halogen atom; R22 and R23, which may be identical or different, are chosen from a hydrogen atom and a C1-C4 alkyl radical; D1 and D2, which may be identical or different, are chosen from a nitrogen atom and a â€”CH group; m is equal to 0 or 1; Xâˆ’is an anion; and E is a group chosen from structures E1 to E9 below: â€ƒwherein: Râ€² is a C1-C4 alkyl radical; with the proviso that:E can have the structure E9 only when m is equal to 0 and D1 is a nitrogen atom; with the overall proviso for formula (VI) that:when R19 is an unsubstituted amino group, then D1 and D2 are both â€”CH, and m is equal to 0; Gâ€”N&boxH;Nâ€”Jâ€ƒâ€ƒ(VII) â€ƒwherein: G is a group chosen from structures G1 to G3 below: â€ƒwherein R24 is chosen from a C1-C4 alkyl radical; a phenyl radical which can be substituted with a C1-C4 alkyl radical; and a halogen atom chosen from chlorine, bromine, iodine and fluorine: R25 is a C1-C4 alkyl radical or a phenyl radical: R26 is chosen from a hydrogen atom, a C1-C4 alkyl radical, and a phenyl radical; and R27 is chosen from a C1-C4 alkyl radical and a phenyl radical; or wherein R26 and R27 in formula G1 together form a benzene ring substituted with one or more identical or different C1-C4 alkyl, C1-C4 alkoxy or N2 radicals; or further wherein R26 and R27 in formula G2 together form a benzene ring optionally substituted with one or more identical or different C1-C4 alkyl, C1-C4 alkoxy or N02 radicals; Z is chosen from an oxygen atom, a sulphur atom and a group â€”NR25; M, K and P, which may be identical or different, are chosen from â€”CH, â€”CR, and â€”NR28(Xâˆ’)r; R is C1-C4; r is equal to 0or 1; R28 is chosen from an atom Oâˆ’, a C1-C4 alkoxy radical and a C1-C4 alkyl radical; R29 and R30, which may be identical or different, are chosen from a hydrogen atom; a halogen atom chosen from chlorine, bromine, iodine and fluorine; a C1-C4 alkyl radical; a C1-C4 alkoxy radical; and an â€”NO2 radical; Xâˆ’is an anion; with the provisos that:if R28 is Oâˆ’, then r is zero; if K, P or M is C1-C4â€”N-alkyl Xâˆ’, then at least one of R29 or R30 is other than a hydrogen atom; if K is âˆ’NR28(Xâˆ’)r, then M is equal to P and is chosen from â€”CH and â€”CR; if M is â€”NR28(Xâˆ’)r, then K is equal to P and is chosen from â€”CH and â€”CR; if P is â€”NR28(Xâˆ’)r, then K is equal to M and is chosen from â€”CH and â€”CR; if Z is a sulphur atom and R27 is C1-C4 alkyl, then R26 is other than a hydrogen atom; and if Z is â€”NR28 and R25 is C1-C4 alkyl, then at least one of the radicals R24, R26 or R27 of formula G2 is other than a C1-C4 alkyl radical; â€ƒand J is chosen from: (a) a group of structure J1 below: â€ƒwherein R31 is chosen from a hydrogen atom; a halogen atom chosen from chlorine, bromine, iodine and fluorine; a C1-C4 alkyl or C1-C4 alkoxy radical; and an â€”OH, â€”NO2, â€”NHR34, â€”NR35R36 and C1-C4â€”NHCO alkyl radical; or wherein R31 forms, together with R32, a 5- or 6-membered ring optionally comprising one or more identical or different hetero atoms chosen from nitrogen, oxygen and sulphur; R32 is chosen from a hydrogen atom; a halogen atom chosen from chlorine, bromine, iodine and fluorine; and a C1-C4 alkyl or C1-C4 alkoxy radical; or wherein R32 forms, together with R31, R33 or R34, a 5- or 6-membered ring optionally comprising one or more identical or different hetero atoms chosen from nitrogen, oxygen and sulphur; R33 is chosen from a hydrogen atom; an â€”OH radical; an â€”NHR34 radical; and an â€”NR35R36 radical; R34 is chosen from a hydrogen atom; a C1-C4 alkyl radical; a C1-C4 monohydroxyalkyl radical; a C2-C4 polyhydroxyalkyl radical; and a phenyl radical; and R35 and R36, which may be identical or different, are chosen from a C1-C4 alkyl radical; a C1-C4 monohydroxyalkyl radical; and a C2-C4 polyhydroxyalkyl radical; and (b) a 5- or 6-membered nitrogenous heterocyclic group which can comprise one or more additional identical or different hetero atoms and/or one or more carbonyl groups and which can be substituted with one or more identical or different C1-C4 alkyl, amino or phenyl radicals.