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:
Nov. 13, 2012
Filed:
Apr. 20, 2010
Applicants:
Shoichi Matsuda, Ibaraki, JP;
Kyoko Ishii, Ibaraki, JP;
Sadahiro Nakanishi, Ibaraki, JP;
Tadayuki Kameyama, Ibaraki, JP;
Inventors:
Shoichi Matsuda, Ibaraki, JP;
Kyoko Ishii, Ibaraki, JP;
Sadahiro Nakanishi, Ibaraki, JP;
Tadayuki Kameyama, Ibaraki, JP;
Assignee:
Nitto Denko Corporation, Ibaraki-shi, Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29D 7/01 (2006.01); C09B 35/027 (2006.01);
U.S. Cl.
CPC ...
Abstract
The polarizing film of the present invention contains the azo compound represented by the following general formula (I). In the general formula (I), Q represents a substituted or unsubstituted aryl group, X represents a cationic group, a nitro group, a cyano group, or a hydroxyl group, and M represents a counter ion.