发明授权
US4961875A Condensate of an optically active-4-(1-hydroxyethyl)biphenyl with an
optically active organic acid
失效
旋光-4-（1-羟基乙基）联苯与光学活性有机酸的缩合物
- 专利标题： Condensate of an optically active-4-(1-hydroxyethyl)biphenyl with an optically active organic acid
- 专利标题（中）： 旋光-4-（1-羟基乙基）联苯与光学活性有机酸的缩合物
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申请号： US284118申请日： 1988-12-14
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公开(公告)号： US4961875A公开(公告)日： 1990-10-09
- 发明人: Kouji Ohno , Hiromichi Inoue , Shinichi Saito , Kazutoshi Miyazawa , Makoto Ushioda
- 申请人： Kouji Ohno , Hiromichi Inoue , Shinichi Saito , Kazutoshi Miyazawa , Makoto Ushioda
- 申请人地址： JPX Osaka
- 专利权人： Chisso Corporation
- 当前专利权人： Chisso Corporation
- 当前专利权人地址： JPX Osaka
- 优先权： JPX62-317000 19871215
- 主分类号： C07C69/24
- IPC分类号： C07C69/24 ; C07C69/67 ; C07C69/708 ; C07C255/55 ; C09K19/12 ; C09K19/54 ; G02F1/13
摘要：
A liquid crystalline, optically active compound useful as a component of various liquid crystal compositions, a liquid crystal composition containing the same and a light switching element using the liquid crystal composition are provided, which liquid crystalline, optically active compound is expressed by the formula ##STR1## wherein R.sup.1 is 1-18C alkyl or alkoxy, R.sup.2 is 2-18C alkyl or 1-18C alkoxy, A is ##STR2## wherein X is halogen or CN, m is 0 to 12, and * indicates an asymmetric carbon atom.
公开/授权文献
- US5527000A Duplex complementary carrier 公开/授权日：1996-06-18
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