| 发明名称 |
Difluoroethylene compounds and liquid crystal compositions containing them |
| 摘要 |
A difluoroethylene compound of the following formula (1) is provided:R1-(A1)m-Y1-A2-CF=CF-A3-Y2-(A4)n-R2(1)where A1-A4, Y1, Y2, R1, R2, m and n are as defined herein, and wherein the compound of formula (1) exhibits liquid crystal properties.
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| 申请公布号 |
US5663463(A) |
申请公布日期 |
1997.09.02 |
| 申请号 |
US19960592662 |
申请日期 |
1996.01.26 |
| 申请人 |
ASAHI GLASS COMPANY LTD.;SEIMI CHEMICAL CO., LTD. |
发明人 |
SHINYA, SEIJI;YOKOKOUJI, OSAMU;MIYAJIMA, TAKASHI;KOH, HIDEMASA;MACHIDA, KATSUTOSHI |
| 分类号 |
C07C17/269;C07C17/361;C07C22/00;C07C22/08;C07C25/24;C07C43/225;C07C69/76;C07C255/50;C07D239/26;C09K19/04;C09K19/30;C09K19/34;(IPC1-7):C07C19/08 |
主分类号 |
C07C17/269 |
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