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    TRI-AROMATIC AZOMETHINE DIRECT DYES COMPRISING AT LEAST ONE UNIT DERIVED FROM RESORCINOL, DYEING COMPOSITION, METHOD AND USE
    1.
    发明申请
    TRI-AROMATIC AZOMETHINE DIRECT DYES COMPRISING AT LEAST ONE UNIT DERIVED FROM RESORCINOL, DYEING COMPOSITION, METHOD AND USE 有权
    含有至少一种由RESORCINOL衍生的单元，染色组合物，方法和用途的三芳基直接染料

    公开(公告)号：US20150027483A1

    公开(公告)日：2015-01-29

    申请号：US14365228

    申请日：2012-12-13

    Applicant: L'OREAL

    Inventor： Stephane Sabelle ,  Madeline Leduc

    IPC: A61K8/41 ,  A61Q5/10 ,  C09B55/00

    CPC classification number: A61K8/41 ,  A61K8/34 ,  A61K8/35 ,  A61K8/411 ,  A61K8/42 ,  A61K2800/4322 ,  A61K2800/88 ,  A61Q5/06 ,  A61Q5/065 ,  A61Q5/10 ,  C09B55/009

    Abstract: The present invention relates to azomethine-type direct dyes with a tri-aromatic unit having the following formula (I): and their use for colouring keratin fibres, particularly human keratin fibres such as the hair. The invention also relates to a composition for dyeing keratin fibres comprising, in a suitable medium for dyeing, such direct dyes. Another subject of the present invention is a method for dyeing keratin fibres using said dyeing composition. Finally the present invention also relates to precursors for these direct dyes.

    Abstract translation: 本发明涉及具有下式（I）的三芳族单元的偶氮甲碱型直接染料及其用于着色角蛋白纤维，特别是人角蛋白纤维如头发的用途。 本发明还涉及一种用于染色角蛋白纤维的组合物，其包含在用于染色的这种直接染料的合适的介质中。 本发明的另一主题是使用所述染色组合物染色角蛋白纤维的方法。 最后，本发明还涉及这些直接染料的前体。

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