Compositions – Liquid crystal compositions – Containing nonsteryl liquid crystalline compound of...
Patent
1991-03-22
1993-07-27
Stoll, Robert L.
Compositions
Liquid crystal compositions
Containing nonsteryl liquid crystalline compound of...
2522992, 560100, 560 76, 359103, C09K 1932, C09K 1958, C07C 6976, G02F 113
Patent
active
052308286
ABSTRACT:
Optically active dopants of the formula ##STR1## wherein C* denotes a chiral carbon atom and R.sup.1 signifies C.sub.2 -C.sub.12 -alkyl, C.sub.2 -C.sub.12 -alkenyl, C.sub.2 -C.sub.12 -alkoxycarbonyl or C.sub.3 -C.sub.12 -alkenyloxycarbonyl, their manufacture, liquid crystalline mixtures which contain such dopants and their use for optical or electro-optical purposes.
REFERENCES:
patent: 5061399 (1991-10-01), Jenner et al.
Epstein William H.
Gould George M.
Harris Cynthia
Hoffmann-La Roche Inc.
Schlager John J.
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