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Iontophoretic delivery device and method of making same

  • US 5,543,098 A
  • Filed: 02/17/1994
  • Issued: 08/06/1996
  • Est. Priority Date: 03/11/1991
  • Status: Expired due to Term
First Claim
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1. A method of making an electrode assembly for an electrically powered iontophoretic delivery device, comprising:

  • homogeneously blending a mixture of about 5 to 50 vol % of a conductive filler, from about 1 to 50 vol % of a therapeutic agent to be iontophoretically delivered in order to obtain a therapeutic effect and the remainder a polymeric matrix; and

    forming the agent-containing blended mixture into a sheet having a predetermined thickness, wherein the filler forms an electrically conductive network through the entire thickness of the matrix.

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