发明授权
US06329472B1 Water-soluble or water-dispersible graft copolymers based on a polyvinyllactam, their preparation and use
失效
基于聚乙烯内酰胺的水溶性或水分散性接枝共聚物，其制备和用途
- 专利标题： Water-soluble or water-dispersible graft copolymers based on a polyvinyllactam, their preparation and use
- 专利标题（中）： 基于聚乙烯内酰胺的水溶性或水分散性接枝共聚物，其制备和用途
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申请号： US09441092申请日： 1999-11-16
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公开(公告)号： US06329472B1公开(公告)日： 2001-12-11
- 发明人: Son Nguyen Kim , Axel Sanner , Peter Hössel , Volker Schehlmann
- 申请人： Son Nguyen Kim , Axel Sanner , Peter Hössel , Volker Schehlmann
- 优先权： DE19853046 19981118
- 主分类号： C08F2606
- IPC分类号： C08F2606
摘要：
Water-soluble or water-dispersible graft copolymers in which a tert-butyl acrylate and a polymerizable carboxylic acid are grafted onto a polyvinyllactam, to their preparation and to their use, especially in the form of cosmetic preparations, particularly as hair-setting compositions.
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