发明授权
- 专利标题: Liquid crystal compound
- 专利标题(中): 液晶复合物
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申请号: US713143申请日: 1991-06-11
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公开(公告)号: US5207947A公开(公告)日: 1993-05-04
- 发明人: Yoshiichi Suzuki , Noriko Yamakawa , Yoshihiko Aihara , Hiroyuki Mogamiya , Toru Ooide , Tadaaki Isozaki , Yuvra Negi , Shigenori Sakuma
- 申请人: Yoshiichi Suzuki , Noriko Yamakawa , Yoshihiko Aihara , Hiroyuki Mogamiya , Toru Ooide , Tadaaki Isozaki , Yuvra Negi , Shigenori Sakuma
- 申请人地址: JPX Tokyo
- 专利权人: Showa Shell Sekiyu Kabushiki Kaisha
- 当前专利权人: Showa Shell Sekiyu Kabushiki Kaisha
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX1-261804 19891006; JPX1-302569 19891121; JPX1-309709 19891129; JPX1-321829 19891212; JPX1-339482 19891227; JPX2-12005 19900122; JPX2-12006 19900122; JPX2-181186 19900709; JPX2-315142 19901120
- 主分类号: C07C69/88
- IPC分类号: C07C69/88 ; C07C69/92 ; C07C69/94 ; C09K19/02 ; C09K19/20 ; C09K19/32
摘要:
Liquid crystal compound of the formula ##STR1## wherein R.sub.1 and R.sub.2 each is a C.sub.1-18 alkyl group or an aralkyl group, R' is a haloalkyl group, X is --0--, --CO--, --COO-- or direct bond, Y is --COO--, --OCO-- or --CH.sub.2 O--, (A) and (B) each is ##STR2## and p and l each is zero or one.
公开/授权文献
- US4660063A Immersion type ISFET 公开/授权日:1987-04-21
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