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    Hair colorants with vat dyes
    1.
    发明申请
    Hair colorants with vat dyes 审中-公开
    头发着色剂与瓮染料

    公开(公告)号：US20070180630A1

    公开(公告)日：2007-08-09

    申请号：US10590258

    申请日：2004-11-24

    申请人： Manuela Javet ,  Catherine Mueller ,  Anita Roulin

    发明人： Manuela Javet ,  Catherine Mueller ,  Anita Roulin

    IPC分类号： A61K8/00

    CPC分类号： A61Q5/10 ,  A61K8/35 ,  A61Q5/065

    摘要： The agent for dyeing hair has a pH of 4 to 11 and contains a reduced vat dye, which is obtained by reducing a vat dye, such as an anthrquinonoid dye, with a reducing agent compound that forms an enediol in an alkaline medium, preferably acetoin, monohydroxyacetone, and dihydroxyacetone. The method of dyeing hair includes pre-reducing the vat dye with the reducing agent compound at a pH of from 10 to 13 to form the reduced vat dye, providing an agent for dyeing the hair having a pH of from 4 to 11 and containing the reduced vat dye, allowing the agent to act on the hair while protecting the reduced vat dye in the agent from atmospheric oxygen, and then re-oxidizing with atmospheric oxygen or an oxidant.

    摘要翻译： 毛发染色剂的pH为4〜11，含有还原的瓮染料，其是通过在碱性介质中形成烯二醇的还原剂化合物，例如蒽醌类染料，优选乙偶姻， ，单羟基丙酮和二羟基丙酮。 头发染色方法包括用还原剂化合物在10至13的pH下还原还原染料以形成还原的瓮染料，提供用于染发pH为4至11的头发的试剂，并含有 减少的瓮染料，允许试剂作用于毛发上，同时保护试剂中的还原瓮染料免受大气氧，然后用大气氧或氧化剂再次氧化。

    Hair Colorants with Indigoid Vat Dyes
    2.
    发明申请
    Hair Colorants with Indigoid Vat Dyes 审中-公开
    头发着色剂与无色瓮染料

    公开(公告)号：US20080229520A1

    公开(公告)日：2008-09-25

    申请号：US10592825

    申请日：2004-11-24

    申请人： Manuela Javet ,  Catherine Mueller ,  Anita Roulin

    发明人： Manuela Javet ,  Catherine Mueller ,  Anita Roulin

    IPC分类号： A61K8/72 ,  A61Q5/10

    CPC分类号： A61K8/492 ,  A61K8/345 ,  A61K8/35 ,  A61K2800/5426 ,  A61Q5/10

    摘要： The agent for coloring hair contains at least one indigoid vat dye, at least one cationic compound, and as reducing agent at least one compound which in a strongly alkaline medium forms an enediol. In the method of coloring hair the pre-reduced indigoid vat dye and the cationic compound are applied to the hair and allowed to act on the hair at a pH of 4 to 11, preferably under protection from atmospheric oxygen. Then the vat dye is re-oxidized with atmospheric oxygen or an oxidant, such as hydrogen peroxide.

    摘要翻译： 头发着色剂包含至少一种靛蓝瓮染料，至少一种阳离子化合物，还有作为还原剂的至少一种在强碱性介质中形成烯二醇的化合物。 在毛发着色的方法中，将预还原的靛蓝瓮染料和阳离子化合物施加到头发上，并允许其在4至11的pH下作用于毛发，优选在保护下不受大气氧的影响。 然后，大桶染料用大气氧或氧化剂如过氧化氢再氧化。