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Title:
AZO COMPOUND OR SALT THEREOF, AND POLARIZING FILM CONTAINING SAME
Document Type and Number:
WIPO Patent Application WO/2017/146212
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide: a high performance dye-based polarizing film and dye-based polarizing plate, in particular a neutral gray high performance dye-based film and dye-based polarizing plate, having excellent polarizing performance and moisture resistance, heat resistance and light resistance; and an azo compound or a salt thereof able to produce same. The present invention provides an azo compound represented by formula (1) or a salt thereof.

Inventors:
HIGETA Takahiro (31-12 Shimo 3-chome, Kita-k, Tokyo 88, 〒1158588, JP)
NAKAMURA Mitsunori (31-12 Shimo 3-chome, Kita-k, Tokyo 88, 〒1158588, JP)
HATTORI Yu (31-12 Shimo 3-chome, Kita-k, Tokyo 88, 〒1158588, JP)
MOCHIZUKI Noriaki (31-12 Shimo 3-chome, Kita-k, Tokyo 88, 〒1158588, JP)
Application Number:
JP2017/007127
Publication Date:
August 31, 2017
Filing Date:
February 24, 2017
Export Citation:
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Assignee:
NIPPON KAYAKU KABUSHIKI KAISHA (1-1 Marunouchi 2-chome, Chiyoda-ku Tokyo, 05, 〒1000005, JP)
POLATECHNO CO., LTD. (192-6, Aza Shimogawara Inamasu, Itakura-ku, Joetsu-sh, Niigata 01, 〒9440101, JP)
International Classes:
C09B31/057; C09B29/01; G02B5/30
Domestic Patent References:
WO2005035667A12005-04-21
WO2013035751A12013-03-14
WO2001006281A12001-01-25
WO2006057214A12006-06-01
WO2005075572A12005-08-18
WO2014162635A12014-10-09
WO2007138980A12007-12-06
Foreign References:
JPH05263005A1993-10-12
JPH01161202A1989-06-23
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JP2622748B21997-06-18
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Other References:
YUTAKA HOSODA, SENRYO KAGAKU (DYE CHEMISTRY, 1957, pages 621
MASAHIRO IRIE: "Kinosei Shikiso no Oyo (Functional Dye Application", CMC PUBLISHING CO., LTD., pages: 98 - 100
Attorney, Agent or Firm:
ASAMURA PATENT OFFICE, P.C. (Tennoz Central Tower, 2-2-24 Higashi-Shinagawa Shinagawa-k, Tokyo 76, 〒1408776, JP)
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