Compositions – Liquid crystal compositions – Containing nonsteryl liquid crystalline compound of...
Patent
1987-07-09
1989-04-25
Gron, Teddy S.
Compositions
Liquid crystal compositions
Containing nonsteryl liquid crystalline compound of...
2522995, 350350R, 544298, C09K 1934, C07D23902, G02F 113
Patent
active
048245968
ABSTRACT:
Novel compounds which, when used as a component of nematic liquid crystal compositions, can improve the characteristics of .DELTA.n and viscosity of the resulting liquid crystal compositions and also does not greatly adversely affect other characteristics thereof, and a liquid crystal composition containing such a compound are provided, which compound is expressed by the formula ##STR1## wherein R.sub.1 and R.sub.2 each independently represent an alkyl group of 1 to 12 carbon atoms.
REFERENCES:
patent: 4462923 (1984-07-01), Boller et al.
patent: 4621901 (1986-11-01), Petrzilka et al.
patent: 4632515 (1986-12-01), Gray et al.
patent: 4694098 (1987-09-01), Hirai et al.
patent: 4752414 (1988-06-01), Eidenschime et al.
Goto Yasuyuki
Kitano Kisei
Chisso Corporation
Gron Teddy S.
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