发明授权
- 专利标题： Azo compound and a polarizing film containing the same
- 专利标题（中）： 偶氮化合物和含有其的偏振膜
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申请号： US603107申请日： 1996-02-20
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公开(公告)号： US5700296A公开(公告)日： 1997-12-23
- 发明人: Kazuya Ogino , Kaneo Yokoyama , Narutoshi Hayashi , Takashi Omura , Setsuko Yamamoto
- 申请人： Kazuya Ogino , Kaneo Yokoyama , Narutoshi Hayashi , Takashi Omura , Setsuko Yamamoto
- 申请人地址： JPX Osaka
- 专利权人： Sumitomo Chemical Company, Limited
- 当前专利权人： Sumitomo Chemical Company, Limited
- 当前专利权人地址： JPX Osaka
- 优先权： JPX7-030902 19950220; JPX7-309339 19951128
- 主分类号： B32B27/08
- IPC分类号： B32B27/08 ; C09B31/072 ; C09B31/08 ; C09B31/16 ; C09B31/18 ; C09B31/20 ; C09B35/38 ; C09B45/28 ; C09K19/60 ; G02B5/30 ; G02F1/1335 ; C09B31/068 ; D06P3/00
摘要：
An azo compound of the following formulae (I) or (II): ##STR1## wherein Q.sub.1 represents a phenyl group or a naphthyl group, Q.sub.2 represents a phenyl group; R represents hydroxy group; R.sub.1 and R.sub.2 each independently represent a hydrogen atom, a hydroxy group, a C.sub.1 -C.sub.4 alkyl group, a C.sub.1 -C.sub.4 alkoxy group or a halogen atom; R.sub.3 and R.sub.4 each independently represent a hydrogen atom, a hydroxy group, a C.sub.1 -C.sub.4 alkyl group, a C.sub.1 -C.sub.4 alkoxy group or a substituted amino group; and X represents --NH--, --NHCO-- or --N.dbd.N--; or a salt thereof; and a polarizing film containing the same.