Carboxylic acid ester compounds, and their related matters and m

Details Carboxylic acid ester compounds, and their related matters and m Carboxylic acid ester compounds, and their related matters and m

1990-04-06

1992-09-01

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229901, 560 56, 560100, 359103, C09K 1932, C07C 6976, G02F 113

Patent

active

051436442

ABSTRACT:
This invention relates to carboxylic acid ester compounds or liquid crystal compounds represented by the following formula [A], liquid crystal compositions and liquid crystal elements using these compounds, the method of producing said liquid crystal elements, and other uses. ##STR1## wherein R represents one radical selected from the group consisting of an alkyl group having 6-18 carbon atoms, an alkoxy group having 6-18 carbon atoms, and a halogenated alkyl group having 6-18 carbon atoms, X represents --CF.sub.3 or --CH.sub.2 --CH.sub.3, m is an integral number of 1-10 when X is --CF.sub.3, and an integral number of 2-10 when X is --CH.sub.2 --CH.sub.3, and C* represents an asymmetric carbon atom.

REFERENCES:
patent: 3819531 (1974-06-01), Saeva et al.
patent: 4680137 (1987-06-01), Isoyama et al.
patent: 4921632 (1989-05-01), Nakamura et al.
patent: 4943651 (1990-07-01), Nishiyama et al.
patent: 5053164 (1991-10-01), Nishiyama et al.

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