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:
May. 17, 2016
Filed:
Jul. 30, 2015
Nippon Kayaku Kabushiki Kaisha, Tokyo, JP;
Polatechno Co., Ltd., Joetsu-shi, Niigata, JP;
Takahiro Higeta, Tokyo, JP;
Takuto Nishiguchi, Tokyo, JP;
Nippon Kayaku Kabushiki Kaisha, Tokyo, JP;
Polatechno Co., Ltd., Niigata, JP;
Abstract
The present invention relates to an azo compound represented by the following formula (1), [wherein, A represents a phenyl group which may have a substituent, Rto Reach independently represent a hydrogen atom, an alkyl group having a carbon atom number of 1 to 5, an alkoxy group having a carbon atom number of 1 to 5, a sulfo group, or an alkoxy group having a sulfo group and a carbon atom number of 1 to 5, and X represents an amino group which may have a substituent, a benzoylamino group which may have a substituent, a phenylamino group which may have a substituent, a phenylazo group which may have a substituent, or a naphthotriazole group which may have a substituent] or/and a salt thereof and to a polarizing film and a polarizing plate which contain it.