A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 9/70 (2006.01)
Patent
CA 2668978
The present invention provides a patch capable of suppressing adhesive residue on the skin surface upon peeling off from the skin in the presence of water due to perspiration and the like, as well as easy detachment from the skin in the presence of water due to perspiration and the like. The present invention provides a patch comprising a support and an adhesive layer provided on at least one surface of the support, wherein the adhesive layer is formed by crosslinking a blend of the following component (A) to component (D): (A) a copolymer obtained by copolymerization of a monomer containing a carboxyl group, (meth)acrylate and vinylpyrrolidone as essential components; (B) a copolymer obtained by copolymerization of a monomer having a basic group as an essential component; (C) a liquid component, and (D) an acidic compound.
Ameyama Satoshi
Inosaka Keigo
Nakamura Kouji
Fetherstonhaugh & Co.
Nitto Denko Corporation
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