Laterally fluorinated 4-cyanophenyl and 4'-cyanobiphenyl benzoat

Details Laterally fluorinated 4-cyanophenyl and 4'-cyanobiphenyl benzoat Laterally fluorinated 4-cyanophenyl and 4'-cyanobiphenyl benzoat

1992-05-12

1994-08-02

Lovering, Richard D.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229965, 25229966, 560 73, 560102, C09K 1920, C09K 1912, C07C 6976, G02F 113

Patent

active

053343271

ABSTRACT:
Novel compounds of formula (I), in which R is R.sup.1, R.sup.1 O or R.sup.1 COO, where R.sup.1 is C.sub.1-12 alkyl, n and m are 0 or 1 provided that (n+m) is 0 or 1, each of a, b, c and d are independently 0 or 1, provided (a+b+c+d) is not zero, but excluding the case where a and b are 0 and m is 0 and one of c or d is 0 are described, being useful constituents of nematic liquid crystal materials.

REFERENCES:
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patent: 4551280 (1985-11-01), Sasaki et al.
patent: 4576733 (1986-03-01), Sugimori et al.
patent: 4689176 (1987-08-01), Inoue et al.
patent: 4709030 (1987-11-01), Petrzilka
patent: 4925590 (1990-05-01), Reiffenrath et al.
patent: 4952337 (1990-08-01), Bradshaw et al.

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