会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 4. 发明授权
    • Sunscreen composition with enhanced UV-A absorber stability and methods
    • 具有增强的UV-A吸收剂稳定性和方法的防晒组合物
    • US08128913B1
    • 2012-03-06
    • US12316121
    • 2008-12-08
    • James A. RoszellJie Zhang
    • James A. RoszellJie Zhang
    • A61K8/00A61K8/18A61Q17/04
    • A61Q17/04A61K8/8164A61K8/8182
    • A sunscreen composition is provided according to the present invention. The sunscreen composition includes a skin bonding polymer composition comprising a hydrophobic polymer/hydrophilic polymer adduct, at least one sunscreen active agent comprising a UV-A absorber, and water in an amount of affected to provide a the composition with the texture suitable for application to skin. The hydrophobic polymer/hydrophilic polymer adduct comprises: (i) hydrophobic polymer composition comprising a mixture of a lower poly(vinylpyrrolidone/alkylene) polymer wherein the alkylene group contains about 10 to about 24 carbon atoms and a higher poly(vinylpyrrolidone/alkylene) polymer wherein the alkylene group contains greater than about 24 carbon atoms; and (ii) hydrophilic polymer composition comprising carboxylic acid groups, hydroxyl groups, or both carboxylic acid groups and hydroxyl groups.
    • 根据本发明提供防晒组合物。 防晒组合物包括皮肤粘合聚合物组合物,其包含疏水性聚合物/亲水性聚合物加合物,至少一种包含UV-A吸收剂的防晒活性剂和受影响的量的水,以提供具有适合应用于 皮肤。 疏水性聚合物/亲水性聚合物加合物包括:(i)包含低聚(乙烯基吡咯烷酮/亚烷基)聚合物的混合物的疏水性聚合物组合物,其中亚烷基含有约10至约24个碳原子和较高的聚(乙烯基吡咯烷酮/亚烷基)聚合物 其中亚烷基含有大于约24个碳原子; 和(ii)包含羧酸基团,羟基或羧酸基团和羟基基团的亲水性聚合物组合物。