2,5-disubstituted heterocycle and liquid-crystalline phase

Details 2,5-disubstituted heterocycle and liquid-crystalline phase 2,5-disubstituted heterocycle and liquid-crystalline phase

1989-12-21

1992-12-01

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229901, 546339, 359104, C09K 1934, G02F 113, C07D21326

Patent

active

051678594

ABSTRACT:
2,5-Disubstituted heterocycles of the formula I ##STR1## in which R.sup.1 and R.sup.2, each independently of one another, are alkyl, alkenyl or oxaalkyl having up to 12 C atoms,

REFERENCES:
patent: 4723018 (1988-02-01), Shionozaki et al.
patent: 4781857 (1988-11-01), Inoue et al.
patent: 4795587 (1989-01-01), Ohno et al.
patent: 4898455 (1990-02-01), Buchecker et al.

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