发明授权
- 专利标题: Fluorobenzene derivatives and liquid-crystalline medium
- 专利标题(中): 氟苯衍生物和液晶介质
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申请号: US529393申请日: 1995-09-18
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公开(公告)号: US5641429A公开(公告)日: 1997-06-24
- 发明人: Volker Reiffenrath , Hans Adolf Kurmeier , Eike Poetsch , Herbert Plach , Ulrich Finkenzeller , Ekkehard Bartmann , Joachim Krause , Bernhard Scheuble
- 申请人: Volker Reiffenrath , Hans Adolf Kurmeier , Eike Poetsch , Herbert Plach , Ulrich Finkenzeller , Ekkehard Bartmann , Joachim Krause , Bernhard Scheuble
- 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: DEX3929525.7 19890906; DEX3929526.5 19890906; DEX3929764.0 19890907; DEX4009907.5 19900328
- 主分类号: G02F1/13
- IPC分类号: G02F1/13 ; C07C17/093 ; C07C17/12 ; C07C17/26 ; C07C17/269 ; C07C25/18 ; C07C25/24 ; C07C43/174 ; C07C43/225 ; C07C255/32 ; C07D213/63 ; C07D213/64 ; C07D239/26 ; C07D239/34 ; C09K19/12 ; C09K19/14 ; C09K19/30 ; C09K19/32 ; C09K19/34 ; C09K19/42
摘要:
Fluorobenzene derivatives of formula I, ##STR1## in which R an alkenyl radical as further defined in the specification,A.sup.1 and A.sup.2 are a trans-1,4-cyclohexylene radical, 1,4-phenylene radical or other cyclic structure as further defined in the specification,Z.sup.1 and Z.sup.2 are a single bond or bridging group,L is H or F,m is 0, 1 or 2,Y is F or Cl, andQ is a single bond.
公开/授权文献
- US4568804A High voltage vacuum type circuit interrupter 公开/授权日:1986-02-04
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