| 发明名称 |
Liquid crystalline compounds |
| 摘要 |
Liquid crystalline compounds of the formula: <IMAGE> wherein X is an electron-repelling radical and Z is an electron-attracting radical, and rings A, B and C are each unsubstituted or additionally substituted with 1 to 4 identical or different monovalent organic radicals.
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| 申请公布号 |
US4167489(A) |
申请公布日期 |
1979.09.11 |
| 申请号 |
US19780882742 |
申请日期 |
1978.03.02 |
| 申请人 |
BBC BROWN BOVERI & COMPANY, LIMITED |
发明人 |
OSMAN, MAGED A. |
| 分类号 |
C07C67/00;C07C69/92;C07C241/00;C07C251/24;C07C253/00;C07C255/51;C07C255/58;C07C255/61;C07C313/00;C07C315/04;C07C317/14;C07C317/36;C09K19/00;C09K19/22;(IPC1-7):C09K3/34;C07C121/60;C07C121/64 |
主分类号 |
C07C67/00 |
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