Ferroelectric pyridine compound and liquid crystal composition

Details Ferroelectric pyridine compound and liquid crystal composition Ferroelectric pyridine compound and liquid crystal composition

1986-12-16

1988-11-15

Gron, Teddy S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229901, 2522995, 350350S, 546339, G02F 113, G09K 1934, C07D21170

Patent

active

047847921

ABSTRACT:
A ferroelectric pyridine compound suitable as a liquid crystal for display mode utilizing ferroelectric properties and exhibiting SC* phase at a temperature somewhat higher than room temperature and a liquid crystal composition are provided, which compound is expressed by the formula ##STR1## wherein n represents an integer of 0 to 8, R.sub.1 represents an alkyl group of 2 to 18 carbon atoms, R.sub.2 represents an alkyl group of 1 to 18 carbon atoms and the symbol * indicates that C having the symbol attached thereon is an optically active carbon atom.

REFERENCES:
patent: 4657695 (1987-04-01), Saito et al.
patent: 4684220 (1987-08-01), Shionozaki et al.
Pavluchenko, A. I. et al., Advances in Liquid Crystal Research and Applications, Bata, L., Ed., Pergamon Press, Oxford, pp. 1007-1013 (1980), C.A., vol. 104, 129767a (1986).
Gray, G. W. et al., Liquid Crystals & Plastic Crystals, vol. 1, John Wiley & Sons, Inc., pp. 137-143 (1974).

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