发明授权
US4473487A 4-Fluorobiphenyl derivatives, their preparation, and dielectrics and
electro-optical display element containing them
失效
4-氟联苯衍生物及其制备物,以及包含它们的电介质和电光显示元件
- 专利标题: 4-Fluorobiphenyl derivatives, their preparation, and dielectrics and electro-optical display element containing them
- 专利标题(中): 4-氟联苯衍生物及其制备物,以及包含它们的电介质和电光显示元件
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申请号: US453046申请日: 1982-12-27
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公开(公告)号: US4473487A公开(公告)日: 1984-09-25
- 发明人: Michael Romer , Joachim Krause , Georg Weber
- 申请人: Michael Romer , Joachim Krause , Georg Weber
- 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: DEX3151356 19811224
- 主分类号: C07C69/76
- IPC分类号: C07C69/76 ; C07C69/757 ; C07C69/773 ; C07C69/90 ; C07C69/92 ; C09K19/20 ; C09K19/30 ; C09K19/46 ; G02F1/13 ; C09K3/34 ; C07C61/40 ; C07C62/34 ; C07C63/72 ; C07C65/24
摘要:
4-Fluorobiphenyl derivatives of the formula (I) ##STR1## wherein X is --CO--O-- or --O--CO--; Z is 1,4-phenylene or 1,4-cyclohexylene; and R is alkyl, alkoxy or alkanoyloxy, each of 1 to 8 atoms, are valuable components of liquid-crystalline dielectrics for electro-optical applications.
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