Use of 4-fluoropyrimidine derivatives as component for ferroelec

Details Use of 4-fluoropyrimidine derivatives as component for ferroelec Use of 4-fluoropyrimidine derivatives as component for ferroelec

1991-09-12

1994-09-06

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

544298, 359104, C09K 1934, C07D23902, G02F 113

Patent

active

053445856

ABSTRACT:
The use of a fluoropyrimidine derivative of the general formula (I) as component in a ferroelectric liquid crystal mixture comprising 2 to 20 components, ##STR1## in which the symbols have the following meaning: R.sup.1 and R.sup.2 independently of one another are, for example, straight-chain or branched alkyl having 1 to 16 carbon atoms,

REFERENCES:
patent: 4704227 (1987-11-01), Krause et al.
patent: 4808333 (1989-02-01), Huynh-ba et al.
patent: 4886622 (1989-12-01), Miyazawa et al.
patent: 5032314 (1991-07-01), Ushioda et al.
German Abstract 85-257036/42, Merck Patent GmbH, New 4-methyl- on 4-fluoro-pyrimidine derivs.-contg. phenylene, cyclohexylene, dithian-diyl or bicyclo-octylene gps. and used as components of liq. crystalline phases for displays.

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