PATCH
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United States of America Patent
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app pub date -
Jan 27, 2014
filing date -
Sep 30, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is a patch that ensures high storage stability of donepezil or a salt thereof and allows stable transdermal administration of the donepezil or salt thereof in an amount that provides a pharmaceutical effect. The patch includes a substrate 1 and an adhesive layer 2 stacked on and integrated with one surface of the substrate 1 and containing donepezil or a salt thereof and an acrylic adhesive containing a copolymer obtained by copolymerizing monomers that each contain a (meth)acrylic acid ester of a saturated aliphatic alcohol and do not contain vinylpyrrolidone.
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