Liquid crystal composition and method for making same

Details Liquid crystal composition and method for making same Liquid crystal composition and method for making same

1977-02-25

1979-02-06

Padgett, Benjamin R.

Compositions

Liquid crystal compositions

260465D, 350350, 560 20, 560 73, 560107, C09K 334, G02F 113, C07C 6978, C07C 7946, C07C 6962

Patent

active

041383591

ABSTRACT:
A new and novel liquid crystal composition having broad temperature and chemical stability is disclosed. The liquid crystal composition comprises a compound having the general formula: ##STR1## wherein R represents an alkyl or alkoxyl group and X represents an alkyl, alkoxyl, nitro or cyano group. The method for making the liquid crystal compound includes the methylation of 4-phenyl-2-chlorophenol and like compounds.

REFERENCES:
patent: 3772389 (1973-11-01), Lowrance, Jr.
patent: 3925238 (1975-12-01), Gavrilovic
patent: 3947375 (1976-03-01), Gray et al.
patent: 3951846 (1976-04-01), Gavrilovic
patent: 3952046 (1976-04-01), Scherrer et al.
patent: 3953491 (1976-04-01), Steinstrasser et al.
patent: 3971824 (1976-07-01), Van Meter et al.
patent: 4017416 (1977-04-01), Inukai et al.
patent: 4029594 (1977-06-01), Gavrilovic
patent: 4035056 (1977-07-01), Coates et al.
patent: 4065489 (1977-12-01), Steinstrasser et al.
patent: 4073742 (1978-02-01), Erdmann et al.
Liquid Crystals & Plastic Crystals, vol. 1, Gray, G. W. et al., John Wiley & Sons, Inc., N.Y., pp. 103-152 (1974).

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