Benzene derivatives, and a liquid crystal medium

Details Benzene derivatives, and a liquid crystal medium Benzene derivatives, and a liquid crystal medium

1992-10-06

1995-02-14

Tucker, Philip

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229901, 25229966, 568659, 568661, C09K 1930, C09K 1912, C07C 4100

Patent

active

053892950

ABSTRACT:
Benzene derivatives of the formula I ##STR1## in which n is 1 to 7, Q is --CO or --(CH.sub.2).sub.r --, where r is 1 to 5, s is 0, 1 or 2, t is 0 or 1, where s+t.gtoreq.1, X is F, Cl, --CF.sub.3, --CN, --OCF.sub.3 or --OCHF.sub.2, and Y, L and Z are each, independently of one another, H or F.

REFERENCES:
patent: 4468340 (1984-08-01), Inoue et al.
patent: 4818428 (1989-04-01), Scheuble et al.
patent: 4822519 (1989-04-01), Saito et al.
patent: 4871469 (1989-10-01), Reiffenrath et al.
patent: 4886621 (1989-12-01), Sage et al.
patent: 5032313 (1991-07-01), Goto et al.
patent: 5045229 (1991-09-01), Bartmann et al.
patent: 5213710 (1993-05-01), Reinffenrath

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