Percutaneous administration preparations
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 7, 2004
Grant Date -
Feb 20, 2003
app pub date -
Oct 25, 2001
filing date -
Feb 29, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Provided is a composition for percutaneous administration containing a mixture of polymers forming a surface-segregated film, and (B) an active ingredient. The composition provides excellent percutaneous absorption efficacy of the active ingredient, particularly, a water-soluble active ingredient, has excellent feeling and is convenient to use.
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