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    • 5. 发明授权
    • Sun protection compositions comprising semi-crystalline polymers and hollow latex particles
    • 包含半结晶聚合物和中空胶乳颗粒的防晒组合物
    • US08241613B2
    • 2012-08-14
    • US12216527
    • 2008-07-07
    • Didier CandauKarl Boutelet
    • Didier CandauKarl Boutelet
    • A61K8/72A61K8/81A61Q17/04
    • C08F220/18A61K8/11A61K8/8152A61K2800/412A61Q17/04C08F220/06C08F226/10
    • Topically applicable cosmetic/dermatological UV protection compositions having enhanced SPF contain at least one organic UV screening agent and/or at least one inorganic screening agent, such compositions also containing at least the following constituents (A) and (B): A) a semi-crystalline polymer which is solid at ambient temperature and has a melting point of greater than or equal to 30° C., containing a) a polymeric backbone and b) at least one crystallizable organic side chain and/or one crystallizable organic block forming part of the backbone of this said polymer, said polymer having a number-average molecular mass Mn of greater than or equal to 1,000, and B) hollow latex particles having a particle size ranging from 150 to 380 nm, formulated into a topically applicable, physiologically acceptable medium therefor.
    • 具有增强的SPF的局部适用的化妆品/皮肤病学UV防护组合物含有至少一种有机UV筛选剂和/或至少一种无机筛选剂,所述组合物还至少含有以下成分(A)和(B):A)半 结晶聚合物,其在环境温度下是固体并且具有大于或等于30℃的熔点,其包含a)聚合物主链和b)至少一种可结晶的有机侧链和/或一个可结晶的有机嵌段形成部分 的所述聚合物的主链,所述聚合物的数均分子量Mn大于或等于1,000,B)粒度范围为150-380nm的中空胶乳颗粒,配制成局部适用的生理学 可接受的媒介。