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

    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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