Liquid crystal compound

Details Liquid crystal compound Liquid crystal compound

1992-06-16

1999-04-06

Kelly, C. H.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

560100, C09K 1932, C07C 6976

Patent

active

058913599

ABSTRACT:
The novel liquid crystal compounds of the present invention are represented orientation states and can be used for display devices and electrooptical devices. ##STR1## wherein R.sub.1 represents an alkyl group of 5-18 carbon atoms; R.sub.2 represents an alkyl group of 6-16 carbon atoms; R.sub.3 represents an alkyl group of 8-18 carbon atoms; R.sub.4 represents an alkyl group of 6-14 carbon atoms; Y represents ##STR2## and * indicates an optically active center.

REFERENCES:
patent: 4973738 (1990-11-01), Suzuki et al.
patent: 5075032 (1991-12-01), Hopf et al.

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