4'optically active alkoxy-4-alkoxy carbonyloxy-bipheneyl and mix

Details 4'optically active alkoxy-4-alkoxy carbonyloxy-bipheneyl and mix 4'optically active alkoxy-4-alkoxy carbonyloxy-bipheneyl and mix

1987-12-31

1989-04-11

Gron, Teddy S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229966, 25229967, 3503505, 558270, C09K 1912, C09K 1920, C07C 6996

Patent

active

048204447

ABSTRACT:
Novel ferroelectric liquid crystalline compounds having a superior stability and chiral, smectic liquid crystalline compositions containing at least one kind of the same are provided, which compounds are expressed by the formula ##STR1## wherein R is a C.sub.4 -C.sub.9 alkyl group.

REFERENCES:
patent: 3790498 (1974-02-01), Katagiri et al.
patent: 4589996 (1986-05-01), Inoue et al.
patent: 4613209 (1956-09-01), Goodby et al.
patent: 4614609 (1986-09-01), Inoue et al.
patent: 4647398 (1987-03-01), Saito et al.
patent: 4728458 (1988-03-01), Higuchi et al.
patent: 4732699 (1988-03-01), Higuchi et al.
patent: 4759869 (1988-06-01), Ohno et al.
Goodby et al., Liquid Crystals & Ordered Fluids, vol. 4, pp. 1-32 (1984).

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