Liquid crystal compounds and intermediates thereof

Details Liquid crystal compounds and intermediates thereof Liquid crystal compounds and intermediates thereof

1991-09-25

1992-05-19

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229901, 560 64, 560 73, 560 76, 560 85, 568633, C09K 1920, C09K 1952, C07C 6976, C07C 4100

Patent

active

051146150

ABSTRACT:
A liquid crystal compound of the formula: ##STR1## wherein m and n are independently integers of 1 to 22; k and l are independently integers of 1 to 2; and C* is an asymmetric carbon atom, is chemically stable and can be applied to liquid crystal display devices operable at room temperature.

REFERENCES:
patent: 3843706 (1974-10-01), Weil
patent: 3852057 (1974-03-01), Findley
patent: 4744918 (1988-05-01), Heppke et al.
Chemical Abstracts, vol. 109, No. 4, Jul. 25th, 1988, p. 536, abstract No. 30825j.
R. B. Meyer et al, "Ferroelectric Liquid Crystals", Journal de Physique (Letters), 36, pp. L69-L71 (1975).
Noel A. Clark et al, "Submicrosecond Bistable Electro-Optic Switching in Liquid Crystals", Appl. Phys. Lett., 36(11), pp. 899-901 (1980).
Taniguchi et al., Jap. J. Applied Physics, vol. 24(4), pp. 452-455 (Apr. 1988).
Taniguchi et al., Ferroelectrics, vol. 77, pp. 137-144 (1988).

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