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Coated coloring agents
专利权人:
Carolin Welz
发明人:
Carolin Welz,Hartmut Manneck,Astrid Kleen,Mustafa Akram
申请号:
US13163821
公开号:
US08110010B2
申请日:
2011.06.20
申请国别(地区):
US
年份:
2012
代理人:
摘要:
Agents for coloring keratin-containing fibers, in particular human hair, that contain encased oxidation dye precursor products. More-uniform coloring, which is independent of which strands are wetted first or last with the coloring product, is thereby ensured. The casing of the oxidation dye precursor products is made up of an encapsulating material made of methacrylic-acid, methacrylic acid-ester, or vinyl-acetate homo- or copolymers, or shellac, as well as at least one release agent. Contact time is equalized over time and shortened overall, resulting in a reduction in hair damage due to excessively long contact times. A method for manufacturing coloring agents for keratinic fibers, containing coated particles is also provided.
来源网站:
中国工程科技知识中心
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http://www.ckcest.cn/home/

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