Mesomorphic compound and liquid crystal composition containing t

Details Mesomorphic compound and liquid crystal composition containing t Mesomorphic compound and liquid crystal composition containing t

1989-12-20

1991-12-24

Maples, John S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229963, 25229965, 25229966, 25229967, 544298, 544301, 544316, 544335, 558389, 558398, 558399, 558426, 558430, 359104, C09K 1934, C09K 1912, C07D23902, C07C25500

Patent

active

050750313

ABSTRACT:
A mesomorphic compound represented by the formula: ##STR1## wherein R.sub.1 denotes an alkyl group having 1-16 carbon atoms; R.sub.2 denotes an alkyl group having 2-10 carbon atoms; X denotes a single bond or --O--; Y denotes --OCH.sub.2 --, ##STR2## Z denotes a single bond, ##STR3## respectively and independently denote ##STR4## k, l and n are respectively 0, 1 or 2 satisfying the relation of k+l+n=2 or 3; C* denotes an asymmetric carbon atom. The mesomorphic compound, when added as a component, provides a liquid crystal composition showing an improved field respective characteristic or is effective in preventing occurrence of a reverse domain.

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patent: 4798680 (1989-01-01), Nohira et al.
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