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    • 8. 发明授权
    • Calcium polycarbophil-alginate controlled release composition and method
    • 聚卡波非 - 海藻酸钙控释组合物和方法
    • US5110605A
    • 1992-05-05
    • US570340
    • 1990-08-21
    • Ramesh N. Acharya
    • Ramesh N. Acharya
    • A61K8/73A61K8/81A61K9/00A61K9/20A61Q11/00A61Q19/00
    • A61Q19/00A61K8/733A61K8/8147A61K9/006A61K9/2027A61K9/205A61Q11/00
    • A polymeric complex composition comprising a reaction complex formed by the interaction of a polycarbophil component with alginic acid or a salt thereof, said interaction being performed in the presence of a divalent cation and in the presence of an active agent selected from the group consisting of medicinal agents and cosmetic agents. There is also described a method of controlled release treatment comprising the steps of providing such a polymeric complex and an effective amount of an active agent selected from the group consisting of medicinal agents and cosmetic agents contained within said complex, and contacting an area of skin or mucous membrane to be treated with said composition for a sufficient period of time allow a therapeutically effective amount of said active agent to be released from the complex.
    • 一种聚合复合物组合物,其包含通过聚卡波非成分与藻酸或其盐的相互作用形成的反应络合物,所述相互作用是在二价阳离子存在下进行的,并且在活性剂存在下进行,所述活性剂选自药物 药剂和化妆品。 还描述了一种控释方法,其包括以下步骤:提供这样的聚合物复合物和有效量的活性剂,所述活性剂选自包含在所述复合物内的药用剂和化妆剂,并且接触皮肤区域或 用所述组合物处理足够时间的粘膜允许治疗有效量的所述活性剂从复合物中释放出来。