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US 4,784,471 AGranted
2-fluorobenzonitrile derivatives and their use in optical display devices
AssigneeMerck Patent GmbH
InventorsAndreas Wachtler, Hans-Adolf Kurmeier, Reinhard Hittich, Bernhard Scheuble
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Abstract
The instant invention relates to compounds of the following formula: ##STR1## wherein R.sup.0 is H or linear alkyl of 1 to 7 C atoms, p is 1 or 2 and n is 0 or 2. The compounds are useful as liquid crystalline compositions in electrooptical display devices.
Claims18
A compound of the formula:
- ##STR15## wherein R.degree. is H or linear alkyl of 1 to 7C atoms, p is 1 or 2 and n is 0 or 2.
Dependencies are inferred from the claim text.