Compositions – Liquid crystal compositions – Containing nonsteryl liquid crystalline compound of...
Patent
1992-10-26
1994-08-30
Stoll, Robert L.
Compositions
Liquid crystal compositions
Containing nonsteryl liquid crystalline compound of...
25229963, 25229966, 252 56R, C09K 1906, C09K 1930, C09K 1912
Patent
active
053425448
ABSTRACT:
A nematic liquid crystal composition comprising at least one member selected from 4-alkyl- or 4-alkoxy-benzoic acids represented by the following general formula (I) , particularly a nematic liquid crystal composition comprising a carboxylic acid mixture composed of at least one member selected from 4-alkyl- or 4-alkoxy-benzoic acids represented by the following general formula (I) and at least one member selected from 4-alkylcyclohexanecarboxylic acids represented by the following general formula (IV): ##STR1## wherein R.sub.1 stands for an alkyl or alkoxy group having 1 to 12 carbon atoms and R.sub.4 stands for an alkyl group having 1 to 12 carbon atoms.
REFERENCES:
patent: 3799267 (1974-03-01), Ely et al.
patent: 3953491 (1976-04-01), Steinstrasser et al.
patent: 4453201 (1985-09-01), Hayashi et al.
patent: 4526704 (1985-07-01), Petrzilka et al.
patent: 4740321 (1988-04-01), Davis et al.
patent: 5217643 (1993-06-01), Yoshida et al.
"Thermal Properties of Binary Mixtures of Liquid Crystals", Molecular Crystals and Liquid Crystals, vol. 27, No. 3/4, 1974, By E. Hsu et al., pp. 269-304.
"Phase Diagrams of Binary Mixtures of Liquid Crystals", Journal of the Chemical Society, Chemical Communications, 1972, By J. Homer et al., pp. 926-927.
"4-(Polyfluoroalkyl)Benzoic and Cyclohexanecarboxylic Acids and Their 4-Cyanophenyl Esters", Journal of Organic Chemistry of the USSR, vol. 21, No. 11, Nov. 1985, By Y. Fialkov et al., pp. 2201-2205.
Kimura Masaki
Naito Tomijiro
Sato Yumiko
Shibata Toshihiro
Shinada Yukari
Asahi Denka Kogyo Kabushiki Kaisha
Citizen Watch Co. Ltd.
Harris C.
Stoll Robert L.
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