Phenyl-pyrimidine liquid crystal compounds and liquid crystal compositions containing the same
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United States of America Patent
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Oct 17, 1989
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N/A
app pub date -
Mar 31, 1988
filing date -
Mar 31, 1987
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Expired
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Abstract
A phenyl-pyrimidine liquid crystal compound represented by the formula: ##STR1## wherein R.sub.1 and R.sub.2 are the same or different and each represent an alkyl group having 1 to 18 carbon atoms, and X and Y each represent one of a single bond, --O--, --OCO--, --COO-- and --OCOO--, provided that one of X and Y is --OCOO--.
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