发明授权
- 专利标题: Carboxylic acid ester derivatives of 4-fluorophenol
- 专利标题(中): 4-氟苯酚的羧酸酯衍生物
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申请号: US233776申请日: 1981-02-12
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公开(公告)号: US4399298A公开(公告)日: 1983-08-16
- 发明人: Shigeru Sugimori , Yukio Honda , Tetsuhiko Kojima
- 申请人: Shigeru Sugimori , Yukio Honda , Tetsuhiko Kojima
- 申请人地址: JPX Osaka
- 专利权人: Chisso Corporation
- 当前专利权人: Chisso Corporation
- 当前专利权人地址: JPX Osaka
- 优先权: JPX55-17247 19800215; JPX55-21298 19800222
- 主分类号: C09K19/20
- IPC分类号: C09K19/20 ; C07C69/76
摘要:
Novel fluorine-containing organic compounds having a positive dielectric anisotropy, useful as component(s) of liquid crystal compositions, and liquid crystal compositions containing the same are provided. The compounds have the general formula ##STR1## R.sub.1 and R.sub.3 both are 1-10 C alkyl or alkoxy; R.sub.2 is H or 1-10 C alkyl; and R.sub.4 is 1-10 C alkyl.
公开/授权文献
- US5430970A Use of hot water to kill vegetation 公开/授权日:1995-07-11
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