Liquid crystalline mixtures containing 2-(2-fluorophenyl) pyridines
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United States of America Patent
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Feb 8, 1994
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app pub date -
Mar 25, 1992
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Sep 6, 1988
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Expired
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Abstract
Compounds of the formula ##STR1## wherein R.sup.1 is alkyl or trans-4-alkylcyclohexyl and R.sup.2 is alkyl, alkoxy or trans-4-alkylcyclohexyl their preparation, liquid crystalline mixtures containing these compounds and their use for electro-optical purposes.
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