Title:
アゾ化合物及びそれらを含有する染料系偏光膜並びに偏光板
Document Type and Number:
Japanese Patent JP5753886
Kind Code:
B2
Abstract:
Azo compounds represented by formula (1) or (2) (In the formulas, A represents a phenyl group or naphthyl group that has at least 1 substituent. R1-R4 represent a hydrogen atom, lower alkyl group or lower alkoxy group, with at least one of R1-R4 being a lower alkoxy group that has a sulfone group. X represents an optionally substituted amino group, optionally substituted benzoylamino group, optionally substituted phenylamino group, optionally substituted phenyl azo group or optionally substituted naphthotriazole group) and salts thereof.
Inventors:
Nishiguchi Takuto
Hiroaki Ohno
Hida Shimoda
Sadamitsu Yuichi
Hiroaki Ohno
Hida Shimoda
Sadamitsu Yuichi
Application Number:
JP2013218846A
Publication Date:
July 22, 2015
Filing Date:
October 22, 2013
Export Citation:
Assignee:
NIPPON KAYAKU KABUSHIKI KAISHA
Pola Techno Co., Ltd.
Pola Techno Co., Ltd.
International Classes:
C09B31/08; C09B31/06; G02B5/30; G02F1/1335
Domestic Patent References:
| JP2004323712A |
Foreign References:
| WO2004013232A1 |
Attorney, Agent or Firm:
Asamura patent office