Liquid crystalline, partially hydrogenated oligo-1,4-phenylenes and dielectrics and electro-optical display elements containing them
AssigneeMerck Patent GmbH
InventorsRudolf Eidenschink, Ludwig Pohl, Michael Romer, Fernando del Pino
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Abstract
Partially hydrogenated oligo-1,4-phenylenes of the formula ##STR1## wherein n is 1 or 2, the rings A and B are identical or different and are trans-4-alkylcyclohexyl or 4-alkylcyclohex-1-enyl, and the alkyl groups in each case are of up to 10 carbon atoms, have valuable liquid crystalline properties.
Claims9
A partially hydrogenated oligo-1,4-phenylene of the formula ##STR22## wherein n is 1 or 2, the rings A and B are identical or different and are trans-4-alkylcyclohexyl or 4-alkylcyclohex-1-enyl, and the alkyl groups in each case are of up to 10 carbon atoms, and are straight chained or branched containing only one chain branching.
Dependencies are inferred from the claim text.