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US 2007/0174975 A1Published application
Cationic heteroarylazine dyes and colorants containing these compounds
AssigneeWella Aktiengesellschaft
InventorsMarkus Speckbacher, Hans-Juergen Braun
Life of this patent
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Abstract
Cationic heteroarylazine dyes of general formulas (I) and (II) and colorants for keratin fibers containing these compounds.
Claims11
Cationic heteroarylazine dyes of general formulas (I) and (II)
- wherein
- R1 stands for a group of formula (III), (IV), (V) or (VI);
- E stands for an oxygen atom or a sulfur atom;
- R2, R4 and R5 can be equal or different and stand for hydrogen, a tert.butyl group, an isopropyl group, a C1-C6-alkyl group, a C1-C6-hydroxyalkyl group or a group of general formula (VII);
- R3 stands for a group of formula (VII), (IX) or (X)
- R6 stands for hydrogen, a straight-chain or branched C1-C6-alkyl group or a straight-chain or branched C2-C4-hydroxyalkyl group;
- R7 stands for a branched or linear C1-C6-alkyl group, a C2-C4-hydroxyalkyl group or a C4-C6-polyhydroxyalkyl group;
- R8 and R9 can be equal or different and stand for hydrogen, a C1-C6-alkylamino group, a C1-C6-N,N-dialkylamino group, a C1-C6-N,N-dihydroxyalkylamino group, a C1-C6-N-hydro-xyalkyl-N-alkylamino group, a C1-C6-alkylcyano group, a methoxymethyl group, a tert.butyl group, an isopropyl group, a C1-C6-alkyl group, a C1-C6-alkyloxy group or a C1-C6-hydro-xyalkyl group;
- R10 stands for hydrogen, a straight-chain or branched C1-C6-alkyl group or a straight-chain or branched C2-C4-hydroxyalkyl group;
- R11 and R12 can be equal or different and stand for hydrogen, a C1-C6-alkylamino group, a C1-C6-N,N-dialkylamino group, a C1-C6-N,N-dihydroxyalkylamino group, a C1-C6-N-hydroxyalkyl-N-alkylamino group, a C1-C6-alkylcyano group, a methoxymethyl group, a tert.-butyl group, an isopropyl group, a C1-C6-alkyl group, a C1-C6-alkyloxy group or a C1-C6-hydroxyalkyl group;
- and
- X stands for an anion.
9 more elements
Dependencies are inferred from the claim text.