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:
Feb. 16, 2010
Filed:
Dec. 15, 2004
Naoki Tomoguchi, Ibaraki, JP;
Tadayuki Kameyama, Ibaraki, JP;
Morimasa Wada, Ibaraki, JP;
Hiroaki Mizushima, Ibaraki, JP;
Naoki Tomoguchi, Ibaraki, JP;
Tadayuki Kameyama, Ibaraki, JP;
Morimasa Wada, Ibaraki, JP;
Hiroaki Mizushima, Ibaraki, JP;
Nitto Denko Corporation, Ibaraki-shi, Osaka, JP;
Abstract
An adhesive of the invention for polarizing plates used for forming an adhesive layer in a polarizing plate in which a polarizer and a transparent protective film is are adhering with each other via the adhesive layer, wherein the adhesive for polarizing plates is an aqueous solution containing a polyvinyl alcohol-based resin having an acetoacetyl group and a crosslinking agent, and the aqueous solution has a pH of 4.3 or less. The adhesive of the invention for polarizing plates is good in durability and long in pot life.