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. 09, 2007
Filed:
Apr. 14, 2003
Tomohide Banba, Ibaraki, JP;
Yoshihiro Minamizaki, Ibaraki, JP;
Masayuki Satake, Ibaraki, JP;
Katsuhiko Kamiya, Ibaraki, JP;
Tomohide Banba, Ibaraki, JP;
Yoshihiro Minamizaki, Ibaraki, JP;
Masayuki Satake, Ibaraki, JP;
Katsuhiko Kamiya, Ibaraki, JP;
Nitto Denko Corporation, Osaka, JP;
Abstract
A pressure sensitive adhesive optical film with a pressure sensitive adhesive layer laminated on at least one surface of an optical film, wherein the pressure sensitive adhesive layer has a value of no more than 5 N/25 mm for a Pwhich is initial 90° peel strength at 23° C. and by a peeling speed of 300 mm/minute after an autoclave processing under a condition of 50° C.×5 atm×15 minutes, and a ratio (P/P) of a Pto a Pis no less than 2, which Pis 90° peel strength after heating by a peeling speed of 300 mm/minute and at 23° C. after the pressure sensitive adhesive layer is given the above-mentioned autoclave processing and is furthermore given a heat-treatment at 80° C. for 2 hours.