C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 133/06 (2006.01) C09J 133/24 (2006.01) A61K 9/70 (2006.01) A61L 15/58 (2006.01)
Patent
CA 2721887
There is provided a medical pressure-sensitive adhesive composition including 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, wherein: a content of the (meth)acrylic acid alkyl ester monomer (a) with respect to a total amount of the monomer components is 50 weight% to 99.9 weight% and a content of the N-hydroxyalkyl(meth)acrylamide monomer (b) with respect to the total amount is 0.1 weight% to 20 weight%; and the monomer components are substantially free of a monomer having a carboxyl group. The medical pressure-sensitive adhesive composition of the present invention is particularly suitable for applications such as medical patches and patch preparations.
Funayama Raito
Ishikura Jun
Kasahara Tsuyoshi
Niwa Masahito
Okamoto Masayuki
Blake Cassels & Graydon Llp
Nitto Denko Corporation
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