Transdermal preparation
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United States of America Patent
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Aug 20, 2013
Grant Date -
Mar 8, 2012
app pub date -
Apr 30, 2010
filing date -
Apr 30, 2010
priority date (Note) -
Withdrawn
status (Latency Note)
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Abstract
Provided is a transdermal preparation, which is capable of long-term (1-day to 7-day) release of a basic drug from a preparation, continuously and at a consistent concentration; shows little reduction over time in the drug content, even if multiple drugs are contained in the preparation; and is produced by a simple process. The transdermal preparation comprises a substrate, and an adhesive layer containing a basic drug and a water-soluble polymer.
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