Vinylene compounds and liquid-crystalline medium

Details Vinylene compounds and liquid-crystalline medium Vinylene compounds and liquid-crystalline medium

1996-02-15

1997-10-21

Kelly, C. H.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229961, 2522992, 570127, 560 60, 560 65, 568642, 546339, 549369, 544298, C09K 1930, C09K 1934, C09K 1932, C07C 1908

Patent

active

056792859

ABSTRACT:
Vinylene compounds of the formula I ##STR1## in which R, A.sup.1, Z.sup.1, X, L.sup.1, L.sup.2 and m have the meaning given in claim 1 are suitable as components of liquid-crystalline media.

REFERENCES:
patent: 5055220 (1991-10-01), Uchida et al.
patent: 5204018 (1993-04-01), Kelly
patent: 5308537 (1994-05-01), Coates et al.
patent: 5358662 (1994-10-01), Hirose et al.
patent: 5370822 (1994-12-01), Matsui et al.
patent: 5380462 (1995-01-01), Kelly et al.
patent: 5523127 (1996-06-01), Ohnishi et al.
patent: 5534187 (1996-07-01), Miyazawa et al.

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