Adhesive film agent and its preparing method

Adhesive film agent and its preparing method

CN
  • CN 1,218,693 C
  • Filed: 10/21/2002
  • Issued: 09/14/2005
  • Est. Priority Date: 10/21/2002
  • Status: Active Grant
First Claim
Patent Images

1. Chinese medicine patch membrane, it is by back lining materials, and protecting film and medicated layer are formed, and it is characterized in that medicated layer is by polyvinyl alcohol 23-25%, middle pharmaceutically active ingredient 68-70% and plasticizer 6-8% form, and wherein contained middle pharmaceutically active ingredient contains aromatics Chinese medicine;

  • Back lining materials just has adhesive to fix medicated layer at two parallel edges of medicated layer;

    Perhaps back lining materials only around medicated layer fixed point have adhesive to fix medicated layer, these fixed points comprise four angle points and every limit mid point or on every limit more multiple spot are arranged.

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