发明授权
EP0438754B1 Optically active compound, intermediate therefor, process for producing the intermediate, and liquid-crystal composition
失效
光学活性化合物,其中间体,用于制备的中间体和液晶组合物的方法。
- 专利标题: Optically active compound, intermediate therefor, process for producing the intermediate, and liquid-crystal composition
- 专利标题(中): 光学活性化合物,其中间体,用于制备的中间体和液晶组合物的方法。
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申请号: EP90125085.2申请日: 1990-12-21
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公开(公告)号: EP0438754B1公开(公告)日: 1994-08-17
- 发明人: Takehara, Sadao , Kuriyama, Takeshi , Osawa, Masashi , Fujisawa, Toru , Nakamura, Kayoko , Hiyama, Tamejiro , Kusumoto, Tetsuo , Nakayama, Akiko
- 申请人: DAINIPPON INK AND CHEMICALS, INC. , SAGAMI CHEMICAL RESEARCH CENTER
- 申请人地址: 35-58, Sakashita 3-chome Itabashi-ku Tokyo JP
- 专利权人: DAINIPPON INK AND CHEMICALS, INC.,SAGAMI CHEMICAL RESEARCH CENTER
- 当前专利权人: DAINIPPON INK AND CHEMICALS, INC.,SAGAMI CHEMICAL RESEARCH CENTER
- 当前专利权人地址: 35-58, Sakashita 3-chome Itabashi-ku Tokyo JP
- 代理机构: Hansen, Bernd, Dr. Dipl.-Chem.
- 优先权: JP331270/89 19891222; JP216506/90 19900817; JP263578/90 19901001
- 主分类号: C07C255/46
- IPC分类号: C07C255/46 ; C09K19/20 ; C09K19/30 ; C09K19/34
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