Compositions – Liquid crystal compositions – Containing nonsteryl liquid crystalline compound of...
Patent
1995-12-05
1997-10-28
Wu, Shean C.
Compositions
Liquid crystal compositions
Containing nonsteryl liquid crystalline compound of...
25229901, 25229963, 549430, C09K 1934, C09K 1930, C07D31710
Patent
active
056815042
ABSTRACT:
A chiral dopant of the formula ##STR1## wherein ring A is 1,4-phenylene which is optionally substituted with one or more fluorine atoms, chlorine atoms, bromine atoms, cyano groups, or methyl groups, and in which one or two CH groups can be replaced by nitrogen, or is trans-1,4-cyclohexylene;
REFERENCES:
patent: 4966726 (1990-10-01), Scherowsky et al.
patent: 5328637 (1994-07-01), Buchecker et al.
patent: 5360577 (1994-11-01), Buchecker et al.
patent: 5498367 (1996-03-01), Buchecker et al.
M. Schadt, Liquid Crystals vol. 14, pp. 73-104 (1993).
Buchecker Richard
Marck Guy
Schadt Martin
Ciambrone Coletti Ellen
Johnston George W.
Rolic AG
Silverman Robert A.
Wu Shean C.
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