The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 29, 2013
Filed:
Nov. 12, 2010
Jun Ishikura, Ibaraki, JP;
Raito Funayama, Ibaraki, JP;
Yu Tachikawa, Ibaraki, JP;
Junichi Sekiya, Ibaraki, JP;
Tsuyoshi Kasahara, Ibaraki, JP;
Ryo Hashino, Ibaraki, JP;
Satoshi Ameyama, Ibaraki, JP;
Hidetoshi Kuroda, Ibaraki, JP;
Jun Ishikura, Ibaraki, JP;
Raito Funayama, Ibaraki, JP;
Yu Tachikawa, Ibaraki, JP;
Junichi Sekiya, Ibaraki, JP;
Tsuyoshi Kasahara, Ibaraki, JP;
Ryo Hashino, Ibaraki, JP;
Satoshi Ameyama, Ibaraki, JP;
Hidetoshi Kuroda, Ibaraki, JP;
Nitto Denko Corporation, Ibaraki-shi, JP;
Abstract
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.