IMPROVED BUFFER GEL FOR IONTOPHORESIS ELECTRODES
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United States of America Patent
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Issued Date -
Sep 8, 2005
app pub date -
Mar 3, 2004
filing date -
Mar 3, 2004
priority date (Note) -
Abandoned
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Abstract
An iontophoretic delivery device utilizing a polymeric gel matrix to ameliorate pH deviation within the device wherein the pH of the polymeric gel matrix is buffered at select pH ranges in order to reduce skin irritation. The polymeric gel matrix is housed within the iontophoretic delivery device as a buffering agent wherein the matrix provides a suitable physiological pH level above 4.0 and particularly the pH level deviates between approximately 4.1 to approximately 4.9, and preferably at the pH 4.5 for an effective operation of the iontophoretic delivery of a medicament to treat affected areas of a living subject's body.
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