ELECTROPHORETIC TRANSDERMAL DELIVERY SYSTEM
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United States of America Patent
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app pub date -
Dec 23, 2009
filing date -
Jun 25, 2007
priority date (Note) -
Abandoned
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Abstract
A transdermal delivery system (TDS) for administering at least one active agent through the skin. The system has a first electrode, a second electrode, and a matrix located between the first and second electrodes. The TDS contains at least one active agent which is either alkaline or acidic. The system is configured such that when applying a voltage to the electrodes, the pH of the matrix, in the case of an alkaline active agent, does not exceed the pH of the active agent and, in case of an acidic active agent, does not fall below the pH of the active agent.
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