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ELECTROPHORETIC TRANSDERMAL DELIVERY SYSTEM

  • US 20100189793A1
  • Filed: 12/23/2009
  • Published: 07/29/2010
  • Est. Priority Date: 06/25/2007
  • Status: Abandoned Application
First Claim
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1. A transdermal delivery system comprising:

  • a matrix containing at least one alkaline active agent;

    a first electrode; and

    a second electrode adapted for being penetrated by said at least one active agent;

    whereby said matrix is located between said first electrode and said second electrode, said matrix has a pH which is lower than the pH of said at least one active agent, and whereby the system is configured such that a voltage applied to said first and second electrodes does not result in the pH of said matrix exceeding the pH of said at least one active agent, and wherein at least 75% of said alkaline active agent is provided in protonated form.

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