| 发明名称 |
Carbonitriles |
| 摘要 |
Carbonitriles of the formula I <IMAGE> I wherein R1 and R2 are each an alkyl group having 1-12 C atoms and wherein one or two CH2 groups/can be groups which are not adjacent replaced by -O-, -O-CO-, -CO-O- and/or -CH=CH-, and A1 is a H or <IMAGE> is a group of the formula 1 <IMAGE> (1) wherein R3 has one of the meanings of R1, can be used as components of liquid crystal phases.
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| 申请公布号 |
US4693841(A) |
申请公布日期 |
1987.09.15 |
| 申请号 |
US19850802888 |
申请日期 |
1985.11.29 |
| 申请人 |
MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG |
发明人 |
HITTICH, REINHARD;WEBER, GEORG;SUCROW, WOLFGANG;GESCHWINDER, PETER |
| 分类号 |
C07C67/00;C07C253/00;C07C255/46;C07C255/47;C09K19/32;G02F1/13;(IPC1-7):C09K19/32;C07C121/46;C07C121/48 |
主分类号 |
C07C67/00 |
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