发明授权
US5152991A Use of selectively hydrogenated styrene/butadiene copolymers in cosmetic
and pharmaceutical compositions
失效
在化妆品和药物组合物中使用选择性氢化苯乙烯/丁二烯共聚物
- 专利标题: Use of selectively hydrogenated styrene/butadiene copolymers in cosmetic and pharmaceutical compositions
- 专利标题(中): 在化妆品和药物组合物中使用选择性氢化苯乙烯/丁二烯共聚物
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申请号: US714702申请日: 1991-06-13
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公开(公告)号: US5152991A公开(公告)日: 1992-10-06
- 发明人: Friedrich Vogel , Franz Frosch , Horst Westenfelder
- 申请人: Friedrich Vogel , Franz Frosch , Horst Westenfelder
- 申请人地址: DEX Ludwigshafen
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DEX Ludwigshafen
- 优先权: DEX4018875 19900613
- 主分类号: A61K8/72
- IPC分类号: A61K8/72 ; A61K8/00 ; A61K8/81 ; A61K9/00 ; A61K9/06 ; A61K9/107 ; A61K9/70 ; A61K47/32 ; A61Q17/00 ; A61Q19/00 ; A61Q19/10
摘要:
Copolymers selectively hydrogenated on the olefinic double bond and composed ofA) 50 to 65% by weight styrene,B) 35 to 50% by weight butadiene andC) 0 to 5% by weight other copolymerizable monomers are used in cosmetic and pharmaceutical compositions.
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