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:
Jul. 31, 2012
Filed:
Feb. 27, 2006
Takashi Shimizu, Ibaraki, JP;
Toshitsugu Hosokawa, Ibaraki, JP;
Masayuki Satake, Ibaraki, JP;
Nitto Denko Corporation, Ibaraki-shi, JP;
Abstract
An optical pressure-sensitive adhesive of the invention comprises a base polymer having a functional group (F); and a coupling agent that has a benzyl ester group and is represented by Formula (1): wherein Aand Aare different functional groups, one of Aand Ashows reactivity or interaction with the functional group (F) of the base polymer, Ris an optionally substituted alkylene group of 1 to 12 carbon atoms and/or an optionally substituted phenylene group, and Rand Rare each a hydrogen atom or an alkyl group of 1 to 12 carbon atoms and may be the same or different. The pressure-sensitive adhesive is use in pressure-sensitive adhesive optical films and so on that is excellent in terms of both durability and release property.