Buprenorphine percutaneous absorption preparation
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 18, 2000
Grant Date -
N/A
app pub date -
Jul 18, 1997
filing date -
Jul 19, 1996
priority date (Note) -
Expired
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Abstract
Disclosed is a buprenorphine percutaneous absorption preparation comprising a backing having formed on one side thereof a pressure-sensitive adhesive layer containing at least one of buprenorphine and a salt thereof, wherein the pressure-sensitive adhesive layer contains an acrylic copolymer and crosslinked acrylic copolymer particles. The buprenorphine percutaneous absorption preparation has excellent pressure-sensitive adhesive characteristics and exerts excellent percutaneous absorption property.
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