Chloro tolanes

Details Chloro tolanes Chloro tolanes

1991-01-28

1993-03-16

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

2522996, 25229901, 2522995, 570128, 570182, C09K 1930, C09K 1954, C09K 1952, C07C 1908

Patent

active

051941783

ABSTRACT:
Chloro tolanes of the formula I ##STR1## wherein R.sup.1 denotes alkyl with up to 12 carbon atoms wherein one or two non-adjacent CH.sub.2 groups may also be replaced by --O--, --O--CO--, --CO--O-- and/or --CH.dbd.CH--,

REFERENCES:
patent: 4705870 (1987-11-01), Takatsu et al.
patent: 4713468 (1987-12-01), Takatsu et al.
patent: 4816180 (1989-03-01), Goto et al.
patent: 4839091 (1989-06-01), Goto et al.
patent: 4895672 (1990-01-01), Goto et al.

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