发明授权
US5914071A Difluoroethylene compounds and liquid crystal compositions containing them 失效
二氟乙烯化合物和含有它们的液晶组合物

Difluoroethylene compounds and liquid crystal compositions containing
them
摘要:
A difluoroethylene compound of the following formula (1) having a liquid crystal property is provided:R.sup.1 --(A.sup.1).sub.m --Y.sup.1 --A.sup.2 --CF.dbd.CF--A.sup.3 --Y.sup.2 --(A.sup.4).sub.n --R.sup.2 (1)wherein A.sup.1 --A.sup.4, Y.sup.1, Y.sup.2, R.sup.1, R.sup.2, m and n are as defined herein.
信息查询
0/0