Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1982-09-20
1984-01-03
Gron, Teddy S.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
2522996, 25224461, 350350R, 549373, C09K 334, C07D31904, G02F 113
Patent
active
044243723
ABSTRACT:
Disclosed are compounds of the formula: ##STR1## wherein R.sub.1 is an alkyl group having 1 to 10 carbon atoms and R.sub.2 is either an alkyl or alkoxy group having 1 to 10 carbon atoms or a cyano group or a nitro group. The compounds of the invention are suitable as liquid crystal materials in electrooptic displays. Specifically, these compounds provide a wide mesomorphic range and a high clearing point when added to nematic liquid crystal mixtures used in multiplexed electrooptical displays.
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Neubert, M. E. et al., Mol. Cryst. Liq. Cryst., vol. 76, pp. 43-77, (1981).
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Biela Joseph A.
Crutcher William C.
Gron Teddy S.
Timex Corporation
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