Coupler for use in oxidative hair dyeing
    8.
    发明授权
    Coupler for use in oxidative hair dyeing 有权
    用于氧化染发剂的成色剂

    公开(公告)号:US06589295B2

    公开(公告)日:2003-07-08

    申请号:US09993210

    申请日:2001-11-16

    IPC分类号: A61K713

    摘要: Couplers for hair coloring compositions for oxidative dyeing of hair are compounds of formula (1): wherein X is selected from of halogen and R5SO4 R3 is selected from C1 to C2 alkyl and hydroxyethyl; and R, R1, R2 and R5 are each independently selected from C1 to C22 alkyl or C1 to C22 mono or dihydroxyalkyl.

    摘要翻译: 用于头发氧化染色的染发组合物的成色剂是式(1)的化合物:其中X选自卤素和R 5 SO 3 R 3选自C 1至C 2烷基和羟乙基; 并且R,R 1,R 2和R 5各自独立地选自C 1至C 22烷基或C 1至C 22单或二羟基烷基。