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    • 20. 发明授权
    • Use of reactive dyes for dyeing hair
    • 使用活性染料染发
    • US06485527B1
    • 2002-11-26
    • US09462679
    • 2000-01-11
    • Frank PrechtlManfred PatschPeter Hössel
    • Frank PrechtlManfred PatschPeter Hössel
    • A61K713
    • A61Q5/065A61K8/466A61K8/4946A61K2800/57
    • Reactive dyes of the formula I where a is 1 or 2, b is 0 or 1, Y is vinyl or a radical of the formula C2H4Q, where Q is an alkali-detachable group, L3 is a direct bond or a bridge member of the formula CO—NH—M1, where M1 is C2-C6-alkylene with or without interruption by 1 or 2 unadjacent oxygen atoms, imino or C1-C4-alkylimino groups, A1 is hydroxysulfonyl or a radical of the formula SO2Y, A2 is hydrogen, hydroxysulfonyl, methoxy, chlorine, bromine or carboxyl, W is either in case 1) the radical of a coupling component, of a monoazo dye or additionally, when b=0, of a disazo dye, which may each bear further fiber-reactive groups, or  in case 2) the radical of a chromophore which optionally has further reactive groups, L1 and L2 are each a bridge member, are useful for hair dyeing and for use in cosmetic preparations for dyeing hair.
    • 式I的活性染料为1或2,b为0或1,Y为乙烯基或式C2H4Q基,其中Q为碱可分离基团,L3为直接键或式CO的桥连构件 -NH-M1,其中M1是具有或不具有1个或2个不相邻的氧原子的中间的C2-C6-亚烷基,亚氨基或C1-C4-烷基亚氨基,A1是羟基磺酰基或式SO2Y的基团,A2是氢,羟基磺酰基 ,甲氧基,氯,溴或羧基的情况下,W是在偶联组分的单偶氮染料的基团或另外当b = 0时的双偶氮染料,其可以各自承载进一步的纤维反应性基团, 或者在情况2中)任选地具有其它反应性基团的发色团的基团,L1和L2各自为桥连构件,可用于染发和用于染发头发的化妆品制剂中。