发明公开
EP3904460A1 AZO COMPOUND OR SALT THEREOF, AND DYE-BASED POLARIZING FILM AND DYE-BASED POLARIZING PLATE CONTAINING SAME
审中-公开
基本信息:
- 专利标题： AZO COMPOUND OR SALT THEREOF, AND DYE-BASED POLARIZING FILM AND DYE-BASED POLARIZING PLATE CONTAINING SAME
- 申请号：EP19904984.2 申请日：2019-12-17
- 公开(公告)号：EP3904460A1 公开(公告)日：2021-11-03
- 发明人： HATTORI Yu , MORITA Ryoutarou , MOCHIZUKI Noriaki
- 申请人： Nippon Kayaku Kabushiki Kaisha
- 申请人地址： JP Tokyo 100-0005 1-1, Marunouchi 2-chome Chiyoda-ku
- 代理机构： Gille Hrabal Partnerschaftsgesellschaft mbB Patentanwälte
- 优先权： JP2018244988 20181227
- 国际公布： WO2020137705 20200702
- 主分类号： C09B31/20
- IPC分类号： C09B31/20 ; C09B31/30 ; G02B5/30
摘要：
An azo compound represented by the following formula (1) or a salt thereof, Wherein
A 1 represents a naphthyl group which may have a substituent;
A 2 , A 3 , and A 4 each independently represent a phenyl group which may have a substituent or a naphthyl group which may have a substituent;
R 1 represents a hydrogen atom, a hydroxy group, a C1-4 alkoxy group, or a substituted or unsubstituted amino group;
m represents an integer of 0 to 5;
M represents a hydrogen atom or ion, a metal ion, or an ammonium ion;
n represents 1 or 2;
k represents 0 or 1; and
each hydrogen atom on ring a and ring b may be substituted with the substituent R 1 or substituent SO 3 M.
A 1 represents a naphthyl group which may have a substituent;
A 2 , A 3 , and A 4 each independently represent a phenyl group which may have a substituent or a naphthyl group which may have a substituent;
R 1 represents a hydrogen atom, a hydroxy group, a C1-4 alkoxy group, or a substituted or unsubstituted amino group;
m represents an integer of 0 to 5;
M represents a hydrogen atom or ion, a metal ion, or an ammonium ion;
n represents 1 or 2;
k represents 0 or 1; and
each hydrogen atom on ring a and ring b may be substituted with the substituent R 1 or substituent SO 3 M.