Compositions – Liquid crystal compositions – Containing nonsteryl liquid crystalline compound of...
Patent
1992-09-30
1998-11-17
Kelly, C H
Compositions
Liquid crystal compositions
Containing nonsteryl liquid crystalline compound of...
25229966, 25229967, 560 80, 560102, C09K 1912, C09K 1920, C07C 6976
Patent
active
058371630
ABSTRACT:
A liquid crystal compound represented by formula (I): ##STR1## wherein R.sub.1 represents an alkyl group having from 3 to 18 carbon atoms; R.sub.2 represents an alkyl group having from 3 to 18 carbon atoms; X represents ##STR2## Y represents ##STR3## (A) and (B) each represents a group selected from the group consisting of ##STR4## and ##STR5## and * indicates an optically active center.
REFERENCES:
patent: 4973738 (1990-11-01), Suzuki et al.
patent: 5184847 (1993-02-01), Suzuki et al.
patent: 5204020 (1993-04-01), Suzuki et al.
Kawamura Ichiro
Numazawa Koichi
Suzuki Yoshiichi
Yamakawa Noriko
Kelly C H
Showa Shell Sekiyu K.K.
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