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1. 发明授权

US5431698A Process for oxidative dyeing and re-dyeing of human hair 失效
标题翻译：人类头发的氧化染色和再染色工艺
公开(公告)号：US5431698A
公开(公告)日：1995-07-11
申请号：US212029
申请日：1994-03-11
申请人： Jurgen Tennigkeit , Heribert Lorenz , Guenter Much
发明人： Jurgen Tennigkeit , Heribert Lorenz , Guenter Much
IPC分类号： C09B67/42 , D06P1/32 , D06P3/08 , A61K7/13
CPC分类号： A61K8/411 , A61K8/415 , A61Q5/10 , A61K2800/884
摘要： A new multi-step process for dyeing human hair achieving improved coverage and gentle treatment of the hair and, in addition, allowing the production of numerous hair dye shades using a relatively small number of hair dye compositions, which process consists of the following steps:a) Application of an alkaline oxidation hair dye composition comprising at least one developing substance and at least one coupling substance as well as an oxidizing agent mainly onto that part of the human hair which is next to the scalp, whereby the mixture is adjusted to the hair shade desired for the total dyeing result;b) rinsing and shampooing of the hair after completed processing of the dyeing composition;c) application of an acidic oxidation hair dye composition comprising at least one developing and at least one coupling agent as well as an oxidizing agent, to the total hair, andd) rinsing of the hair after complete processing of the hair dye.
摘要翻译：一种用于染色人类头发的新的多步骤方法，其改善了头发的覆盖和温和处理，此外，还允许使用相对少量的染发剂组合物生产许多染发剂阴影，该方法包括以下步骤： a）将包含至少一种显影物质和至少一种偶联物质以及氧化剂的碱性氧化染发剂组合物主要施用到头皮旁边的人毛发部分上，由此将混合物调节至总染色结果需要染发剂; b）在染色组合物完成加工后漂洗和洗发头发; c）向总毛发施用包含至少一种显影和至少一种偶联剂以及氧化剂的酸性氧化染发剂组合物，以及d）在染发剂完全加工后漂洗毛发。

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