发明授权
- 专利标题: 3,4,5-trifluoropheny 4-cyclohexylbenzoates
- 专利标题(中): 3,4,5-三氟苯基4-环己基苯甲酸酯
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申请号: US742321申请日: 1996-11-01
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公开(公告)号: US5725799A公开(公告)日: 1998-03-10
- 发明人: Matthias Bremer , Volker Reiffenrath , Detlef Pauluth , Kazuaki Tarumi
- 申请人: Matthias Bremer , Volker Reiffenrath , Detlef Pauluth , Kazuaki Tarumi
- 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: DEX19541181.1 19951104
- 主分类号: G02F1/13
- IPC分类号: G02F1/13 ; C07C69/76 ; C07C69/773 ; C09K19/30 ; C09K19/20
摘要:
3,4,5-trifluorophenyl 4-cyclobenzoates of formula I ##STR1## in which R.sup.1 is an alkyl or alkenyl radical having up to 18 carbon atoms which may be substituted, and L.sup.1 is H or F. Liquid-crystalline media comprising such 3,4,5-trifluorophenyl 4-cyclohexylbenzoates, and electro-optical displays containing a liquid-crystalline medium of this type.
公开/授权文献
- US5108242A Paper drilling apparatus 公开/授权日:1992-04-28
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