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:
Aug. 11, 2015
Filed:
Jun. 20, 2011
Applicants:
Kayo Shimokawa, Osaka, JP;
Kenichi Okada, Osaka, JP;
Toshitaka Takahashi, Osaka, JP;
Yoshiaki Kitani, Osaka, JP;
Taiki Shimokuri, Osaka, JP;
Yousuke Makihata, Osaka, JP;
Inventors:
Kayo Shimokawa, Osaka, JP;
Kenichi Okada, Osaka, JP;
Toshitaka Takahashi, Osaka, JP;
Yoshiaki Kitani, Osaka, JP;
Taiki Shimokuri, Osaka, JP;
Yousuke Makihata, Osaka, JP;
Assignee:
NITTO DENKO CORPORATION, Osaka, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/00 (2006.01); B32B 7/12 (2006.01); C09J 7/02 (2006.01); C09J 133/04 (2006.01); G02B 5/00 (2006.01);
U.S. Cl.
CPC ...
C09J 7/0207 (2013.01); C09J 7/0246 (2013.01); C09J 133/04 (2013.01); G02B 5/00 (2013.01); C08L 2201/50 (2013.01); C09J 2201/622 (2013.01); C09J 2203/318 (2013.01); C09J 2433/00 (2013.01); Y10T 428/24479 (2015.01); Y10T 428/24612 (2015.01);
Abstract
A pressure-sensitive adhesive layer is obtained by applying and drying an aqueous dispersion type pressure-sensitive adhesive composition. On a surface of the pressure-sensitive adhesive layer, the number of a concave portion having a depth in a thickness direction of 0.2 to 20 μm and a maximum length along the surface of 1 to 10 mm is 5 or less per 1 m.