Compositions – Liquid crystal compositions
Patent
1979-01-05
1980-10-21
Gron, Teddy S.
Compositions
Liquid crystal compositions
252408, 350350R, 260465R, 260465D, 260465F, 2604651, 2604654, 560 1, 560 59, 560 73, 560102, 560106, 560107, 560118, 560126, 560141, C09K 334, C02F 113, C07C 6976, C07C 6974, C07C12152
Patent
active
042293154
ABSTRACT:
Cyclohexane derivatives of the formula ##STR1## wherein the rings A and B are identical or different and are each a 1,4-disubstituted phenyl or cyclohexyl ring; X is --CO--O -- or --O--CO--; R.sub.1 is alkyl of 1-8 carbon atoms; and R.sub.2 is alkyl of 1-8 carbon atoms, and when the ring B is phenyl, R.sub.2 is alkyl, alkoxy or alkanoyloxy, each of up to 8 carbon atoms, or --CN, have valuable liquid crystalline properties.
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Karamysheva, L. A., et al., Mol. Cryst. Viq. Cryst., vol. 37, pp. 29-34 (1976).
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Dewar, M. J. S., et al., J. Am. Chem. Soc., vol. 92, No. 6, pp. 1582-1586 (1970).
Eidenschink Rudolf
Krause Joachim
Pohl Ludwig
Gron Teddy S.
Merck Patent Gesellschaft mit beschrankter Haftung
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