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公开(公告)号:US5916544A
公开(公告)日:1999-06-29
申请号:US968171
申请日:1997-11-12
申请人: Kou-Chang Liu , Michael Helioff , Mark Rerek , Mary Davis , Lawrence J. Grenner , David E. Graham , Anja Waldorf-Geber , Renate Koppel
发明人: Kou-Chang Liu , Michael Helioff , Mark Rerek , Mary Davis , Lawrence J. Grenner , David E. Graham , Anja Waldorf-Geber , Renate Koppel
IPC分类号: A61K8/00 , A61K8/04 , A61K8/19 , A61K8/27 , A61K8/29 , A61K8/30 , A61K8/33 , A61K8/35 , A61K8/36 , A61K8/368 , A61K8/37 , A61K8/40 , A61K8/44 , A61K8/46 , A61K8/49 , A61K8/81 , A61Q17/04 , A61K7/42 , A61K6/00 , A61K7/00 , A61K7/44
CPC分类号: A61K8/361 , A61K8/044 , A61K8/27 , A61K8/29 , A61K8/35 , A61K8/368 , A61K8/37 , A61K8/40 , A61K8/445 , A61K8/466 , A61K8/4946 , A61K8/8182 , A61Q17/04 , B82Y5/00 , A61K2800/413
摘要: A sunscreen concentrate in the form of a stable, uniform dispersion comprising, by weight:(a) about 30-65% of ultrafine titanium dioxide or zinc oxide, or mixtures thereof,(b) about 30-70% of an organic sunscreen agent, and(c) about 0.25-25% of a dispersing aid which is polyvinylpyrrolidone alkylated with a C.sub.4 -C.sub.36 alpha-olefin.
摘要翻译: 一种防晒浓缩物,其形式为稳定的均匀分散体,其包含:(a)约30-65%的超细二氧化钛或氧化锌或其混合物,(b)约30-70%的有机防晒剂 ,和(c)约0.25-25%的分散助剂,其是用C 4 -C 36α-烯烃烷基化的聚乙烯吡咯烷酮。