Transdermal therapeutic system for volatile and/or thermolabile substances

Transdermal therapeutic system for volatile and/or thermolabile substances

  • CN 101,304,735 A
  • Filed: 12/16/2006
  • Published: 11/12/2008
  • Est. Priority Date: 01/12/2006
  • Status: Active Application
First Claim
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1. the transdermal therapeutic system that contains at least a volatile and/or heat-labile active substance and/or auxiliary agent;

  • comprise backing layer;

    it is impervious basically for active substance and auxiliary agent;

    at least 2 strata compound hypothalluses;

    wherein one deck is used as receptive layers at least;

    it contains active substance and/or auxiliary agent;

    protective layer with removable;

    it is characterized in that;

    this transdermal therapeutic system can make as lower floor by overlapped lamination;

    as described in the protective layer of removable;

    at least one deck is in the polymer matrix layer of skin side layout;

    another polymeric acceptor layer;

    this another polymeric acceptor layer is characterised in that the character of quickening to absorb volatile and/or heat-labile active substance and/or auxiliary agent;

    contain volatile and/or heat-labile active substance and/or auxiliary agent in the preparation or by its donor layer of forming;

    optional extra hypothallus and backing layer;

    wherein in the lamination process or behind the lamination in the short time, the donor layer is because volatile and/or heat-labile active substance and/or auxiliary agent migration and merge with receptive layers.

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