发明授权
- 专利标题: Benzene derivatives, and a liquid crystal medium
- 专利标题(中): 苯衍生物和液晶介质
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申请号: US957051申请日: 1992-10-06
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公开(公告)号: US5389295A公开(公告)日: 1995-02-14
- 发明人: Andreas Wachtler , Reinhard Hittich , Eike Poetsch , Herbert Plach , David Coates , Ulrich Finkenzeller , Thomas Geelhaar , Volker Reiffenrath , Bernhard Rieger
- 申请人: Andreas Wachtler , Reinhard Hittich , Eike Poetsch , Herbert Plach , David Coates , Ulrich Finkenzeller , Thomas Geelhaar , Volker Reiffenrath , Bernhard Rieger
- 申请人地址: DEX Darmstadt
- 专利权人: Merck Patent Gesellschaft mit Beschrankter Haftung
- 当前专利权人: Merck Patent Gesellschaft mit Beschrankter Haftung
- 当前专利权人地址: DEX Darmstadt
- 优先权: DEX3926746 19890812; DEX3926749 19890812; DEX3928818 19890831; DEX4000392 19900109; DEX4001685 19900122; DEX4007864 19900313; DEX4009908 19900328
- 主分类号: G02F1/13
- IPC分类号: G02F1/13 ; C07C43/174 ; C07C43/225 ; C07C69/74 ; C07C69/753 ; C07C69/757 ; C07C255/50 ; C07C255/54 ; C07C255/57 ; C09K19/12 ; C09K19/20 ; C09K19/30 ; C09K19/42 ; C07C41/00
摘要:
Benzene derivatives of the formula I ##STR1## in which n is 1 to 7, Q is --CO or --(CH.sub.2).sub.r --, where r is 1 to 5, s is 0, 1 or 2, t is 0 or 1, where s+t.gtoreq.1, X is F, Cl, --CF.sub.3, --CN, --OCF.sub.3 or --OCHF.sub.2, and Y, L and Z are each, independently of one another, H or F.
公开/授权文献
- US4255909A Manhold 公开/授权日:1981-03-17
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