Liquid crystals with improved properties and devices using such

Details Liquid crystals with improved properties and devices using such Liquid crystals with improved properties and devices using such

1978-01-09

1979-04-03

Padgett, Benjamin R.

Compositions

Liquid crystal compositions

252408, 260465F, 260465G, 260465H, 260465K, 350350, 560 73, 560106, 560107, C09K 334, G02F 113, C07C 6978, C07C 6976, C07C 6962

Patent

active

041476557

ABSTRACT:
Novel mesomorphic substances, constituting, in certain temperature ranges, nematic or smectic liquid crystals, are compounds of the formula ##STR1## wherein Y is H or CN;

REFERENCES:
patent: 3767289 (1973-10-01), Aviram et al.
patent: 3876286 (1975-04-01), Deutscher et al.
patent: 3951846 (1976-04-01), Cavrilovic
patent: 4002670 (1977-01-01), Steinstrasser
patent: 4011008 (1977-03-01), Gerritsma et al.
Nash, J. A., et al., Mol. Cryst. Liq. Cryst., vol. 25, pp. 299-321 (1974).
Gray, G. W., et al., Liquid Crystals & Plastic Crystals, vol. 1, John Wiley & Sons, Inc., pp. 103-150 (1974).

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