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:
Apr. 17, 2012
Filed:
Dec. 30, 2010
Applicants:
Hisanari Onouchi, Osaka, JP;
Sadahiro Nakanishi, Osaka, JP;
Inventors:
Hisanari Onouchi, Osaka, JP;
Sadahiro Nakanishi, Osaka, JP;
Assignee:
Nitto Denko Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/00 (2006.01); C09K 19/52 (2006.01); C09B 39/00 (2006.01); G03C 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a polarizing film containing an azo compound represented by the following formula (1): in which X is a hydrogen atom, a halogen atom, a nitro group, a cyano group, an alkyl group having 1 to 3 carbon atoms or an alkoxy group having 1 to 4 carbon atoms, and M is a counter ion.