Liquid crystalline mixtures including 2-phenylpyridine compounds

Details Liquid crystalline mixtures including 2-phenylpyridine compounds Liquid crystalline mixtures including 2-phenylpyridine compounds

1990-03-27

1992-04-14

Fan, Jane T.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

546268, C07D40504, G02F 113

Patent

active

051045699

ABSTRACT:
Compounds of the formula ##STR1## wherein R.sup.1 is alkyl or alkenyl; Z.sup.1 denotes a single covalent bond or --CH.sub.2 CH.sub.2 --; ring A represents unsubstituted or halogen- and/or methyl-substituted 1,4-phenylene; Z.sup.2 denotes a single covalent bond, oxygen or --CH.sub.2 O--; and R.sup.2 is an unsubstituted or halogen-substituted alkyl or alkenyl group,

REFERENCES:
patent: 4325830 (1982-05-01), Sethofer
patent: 4704227 (1987-11-01), Krause et al.
patent: 4723018 (1988-02-01), Shionozaki et al.
patent: 4726911 (1988-02-01), Kraus et al.
patent: 4774020 (1988-09-01), Kitano et al.
patent: 4834904 (1989-05-01), Krause et al.
patent: 4913837 (1990-04-01), Gray et al.

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