A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 9/70 (2006.01) A61M 37/00 (2006.01)
Patent
CA 2721866
The patch according to an embodiment of the present invention includes: a support; and a pressure-sensitive adhesive layer on at least one surface of the support, wherein: the pressure-sensitive adhesive layer contains an acrylic copolymer obtained by copolymerizing monomer components containing (a) at least one kind of a monomer of a (meth)acrylic acid alkyl ester and (b) at least one kind of a monomer of an N- hydroxyalkyl(meth)acrylamide; a content of the (meth)acrylic acid alkyl ester monomer (a) with respect to a total amount of the monomer components is 50 wt% to 90 wt% and a content of the N--hydroxyalkyl(meth)acrylamide monomer (b) with respect to the total amount is 1 wt% to 20 wt%; and the monomer components are substantially free of a monomer having a carboxyl group.
Ameyama Satoshi
Funayama Raito
Hashino Ryo
Ishikura Jun
Kasahara Tsuyoshi
Blake Cassels & Graydon Llp
Nitto Denko Corporation
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