Polymeric quaternium compounds
    7.
    发明授权
    Polymeric quaternium compounds 失效
    聚合季铵化合物

    公开(公告)号:US08349303B1

    公开(公告)日:2013-01-08

    申请号:US12758860

    申请日:2010-04-13

    IPC分类号: A61K31/74

    CPC分类号: C11D3/0078 C11D3/3723

    摘要: A topical pharmaceutical composition comprising a pharmaceutical active and a polymer of general formula I or general formula II wherein Ck is a saturated or unsaturated, five, six or seven-membered ring; R is a C1-C3alkyl; n is 1, 2, 3, 4 or 5 and m provides a number average molecular weight of the polymer of from 2000 to 80,000.

    摘要翻译: 一种局部药物组合物,其包含药物活性物质和通式I或通式II的聚合物,其中Ck为饱和或不饱和的,5,6或7元环; R是C1-C3烷基; n为1,2,3,4或5,并且m提供的聚合物的数均分子量为2000至80,000。