A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 9/70 (2006.01) A61K 31/405 (2006.01) A61L 15/58 (2006.01) B32B 7/12 (2006.01) B32B 27/08 (2006.01) C09J 7/02 (2006.01) A61M 37/00 (2006.01)
Patent
CA 2632958
The present invention aims at provision of a patch with suppressed occurrence of adhesive residue on the skin after peeling in the presence of water due to perspiration and the like. The patch has an adhesive layer provided on at least one surface of a support, and the adhesive layer is formed by blending the following component (A) - component (C): (A) a copolymer obtained by copolymerization of a monomer containing a carboxyl group, (meth)acrylic acid ester and vinylpyrrolidone as essential components; (B) a copolymer obtained by copolymerization of a monomer having a basic group and (meth)acrylic acid ester as essential components; and (C) a liquid component, and crosslinking the blend.
Ameyama Satoshi
Inosaka Keigo
Nakamura Kouji
Fetherstonhaugh & Co.
Nitto Denko Corporation
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