| 发明名称 |
Benzene derivatives, and a liquid crystal medium |
| 摘要 |
Benzene derivatives of the formula I <IMAGE> in which n is 1 to 7, Q is -CO or -(CH2)r-, where r is 1 to 5, s is 0, 1 or 2, t is 0 or 1, where s+t>/=1, X is F, Cl, -CF3, -CN, -OCF3 or -OCHF2, and Y, L and Z are each, independently of one another, H or F.
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| 申请公布号 |
US5389295(A) |
申请公布日期 |
1995.02.14 |
| 申请号 |
US19920957051 |
申请日期 |
1992.10.06 |
| 申请人 |
MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG |
发明人 |
WAECHTLER, ANDREAS;HITTICH, REINHARD;POETSCH, EIKE;PLACH, HERBERT;COATES, DAVID;FINKENZELLER, ULRICH;GEELHAAR, THOMAS;REIFFENRATH, VOLKER;RIEGER, BERNHARD |
| 分类号 |
G02F1/13;C07C43/174;C07C43/225;C07C69/753;C07C69/757;C07C255/54;C07C255/57;C09K19/12;C09K19/20;C09K19/30;C09K19/42;(IPC1-7):C09K19/30;C07C41/00 |
主分类号 |
G02F1/13 |
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