Liquid-crystalline compounds

Details Liquid-crystalline compounds Liquid-crystalline compounds

1995-06-05

1997-05-06

Tucker, Philip

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229966, 570129, 570144, C09K 1930, C09K 1912

Patent

active

056267932

ABSTRACT:
A nematic liquid crystalline medium having at least two liquid crystalline components with at least one being of formula I ##STR1## wherein R is H, a straight-chain alkyl or alkenyl radical having 1 to 15 carbon atoms, it also being possible to replace one or more CH.sub.2 groups in these radicals, independently of one another, by --O--, --S--, ##STR2## --CO--, --CO--O--, --O--CO-- or --O--CO--O-- in such a way that oxygen atoms are not linked directly to one another,

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patent: 5308541 (1994-05-01), Hittich et al.

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