Compositions – Liquid crystal compositions – Containing nonsteryl liquid crystalline compound of...
Patent
1992-02-26
1994-07-12
Tucker, Philip
Compositions
Liquid crystal compositions
Containing nonsteryl liquid crystalline compound of...
2522996, 25229964, 25229966, 560 59, 560 73, 560102, 560108, 560109, 560141, 568631, 568642, C09K 1912, C09K 1920, C07C 6976, C07C 4100
Patent
active
053286430
ABSTRACT:
The invention relates to optically active compounds represented by the general formula I ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, Q.sub.1, Q.sub.2, Q.sub.3, and M are defined as in the specification, methods and intermediates for their preparation, liquid crystal compositions comprising at least one optically active compound of formula I and their use in electrooptical display, switching and modulation devices.
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patent: 5100579 (1992-03-01), Higuchi et al.
patent: 5130048 (1992-07-01), Wand et al.
patent: 5152919 (1992-10-01), Kitamura et al.
patent: 5167855 (1992-12-01), Wand et al.
patent: 5167863 (1992-12-01), Kitamura et al.
Tetrahedron Letters, No. 6, pp. 419-422.
Tetrahedron Letters, vol. 37, No. 12, pp. 2249-2254.
Kawada Mitsuru
Kitamura Teruo
Kondo Katsumi
Matsumura Koichi
Sudo Yuka
Hitachi , Ltd.
Takeda Chemical Industries Ltd.
Tucker Philip
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