Dyes incorporating annionic and cationic groups
    1.
    发明授权
    Dyes incorporating annionic and cationic groups 失效
    含有阳离子和阳离子基团的染料

    公开(公告)号:US07066969B2

    公开(公告)日:2006-06-27

    申请号:US10484135

    申请日:2002-07-11

    IPC分类号: D06P1/06 C09B44/08

    CPC分类号: C09B43/16 C09B44/02 Y10S8/919

    摘要: The present invention relates to novel compounds of the formulae A, D1, D2, R1 and n are as defined in the description the compounds being in an internal or external salt form, or mixtures of compounds (1) and (2), a process for their preparation and preparations containing them used for dyeing paper.

    摘要翻译: 本发明涉及新的式A,D 1,D 2,R 1和N如本说明书中所定义的化合物 化合物为内部或外部盐形式,或化合物(1)和(2)的混合物,其制备方法和含有它们用于染色纸的制剂。