申请人:Merck Patent Gesellschaft Mit Beschrankter Haftung
公开号:US04868341A1
公开(公告)日:1989-09-19
New bicyclohexyls of the formula I R.sup.1 --Cy--Cy--R.sup.2 wherein R.sup.1 and R.sup.2 are each alkyl which has 1-10 C atoms and in which one or two CH.sub.2 group(s) can be replaced by 0 atoms, and Cy is 1,4-cyclohexylene, are suitable for use as the coponents of liquid-crystal dielectrics.