Compositions – Liquid crystal compositions – Containing nonsteryl liquid crystalline compound of...
Patent
1987-05-26
1988-06-21
Gron, Teddy S.
Compositions
Liquid crystal compositions
Containing nonsteryl liquid crystalline compound of...
2522995, 25229901, 350350R, 350350S, 546339, 546340, 546342, C09K 1934, C02F 113, C07D21170, C07D21182
Patent
active
047524138
ABSTRACT:
A novel liquid crystal compound exhibiting smectic phases and useful for display elements and a chiral smectic liquid crystal composition containing the compound are provided, which compound is expressed by the formula ##STR1## wherein R.sup.1 and R.sup.2 each represent an alkyl group of 1 to 20 carbon atoms and X represents H atom or F atom, and which composition comprises at least one kind of the compounds of the formula (I) and an optically active compound.
REFERENCES:
patent: 4659500 (1987-04-01), Sugimori et al.
patent: 4668426 (1987-05-01), Demus et al.
patent: 4684220 (1987-08-01), Shionozaki et al.
patent: 4684477 (1987-08-01), Sugimori et al.
Pavluchemko, A. I., et al, Advances in Liquid Crystal Research and Applications, Bata, L. Ed., Pergamon Press, Oxford, (1980).
Pavluchemko, A. I., et al, J. De Phys., Coll. C3, Suppl. 4, vol. 40, pp. C3-1-4, (Apr. 1979).
Inoue Hiromichi
Inukai Takashi
Miyazawa Kazutoshi
Ohno Kouji
Saito Shin-ichi
Chisso Corporation
Gron Teddy S.
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