Compositions – Liquid crystal compositions – Containing nonsteryl liquid crystalline compound of...
Patent
1981-09-14
1983-12-20
Torrence, Dolph H.
Compositions
Liquid crystal compositions
Containing nonsteryl liquid crystalline compound of...
260465D, 350350R, 546286, 560 5, C09K 334, G02F 113, C07C 6976, C07C12164
Patent
active
044216700
ABSTRACT:
This invention relates to new liquid crystal dihydrophenanthrene substances for utilization in electro-optical devices for the modulation of light as well as the representation of numerals, signs and images. It has been found that new liquid-crystal 7-n-alkyl-8, 10-dihydrophenanthrene-2-carboxylic acid esters of the general formula ##STR1## alone, in mixture with each other and/or in mixtures with other liquid crystal or non liquid crystal substances, yield good results when they are used in electro-optical components.
REFERENCES:
patent: 3655694 (1972-05-01), Lee et al.
Canceill et al., Chemical Abstracts, vol. 84: 114471u (1974).
Boettger Ute
Demus Dietrich
Deutscher Hans-Joachim
Richter Sabine
Zaschke Horst
Torrence Dolph H.
VEB Werk fur Fernsehelektronik Berlin im VEB Kombinat Mikroelekt
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