Azelastine hydrochloride-containing percutaneous preparation having good percutaneous absorbability and reduced skin irritation
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United States of America Patent
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Oct 9, 2001
Grant Date -
N/A
app pub date -
Mar 1, 1999
filing date -
Jul 2, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to azelastine hydrochloride-containing percutaneous preparations which comprises, as base ingredients; hydrocarbon and/or beeswax, and a surfactant.
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