Compositions – Liquid crystal compositions
Patent
1977-08-10
1978-12-19
Torrence, Dolph H.
Compositions
Liquid crystal compositions
260463, 260465D, 260465F, 260465R, 350350, C09K 334, G02F 113
Patent
active
041305027
ABSTRACT:
Novel liquid crystals have the formula ##STR1## wherein one of R.sub.1 and R.sub.2 is cyano and the other is R, OR, OCOR or OCOOR, in which R is alkyl containing up to 12 carbon atoms.
The novel compounds can be used alone and in mixtures with each other and/or other conventional liquid crystals.
REFERENCES:
patent: 3947375 (1976-03-01), Gray et al.
patent: 4029595 (1977-06-01), Ross et al.
Conlonge et al., Chemical Abstracts, vol. 58, 1417e (1963).
Eidenschink Rudolf
Krause Joachim
Pohl Ludwig
Merck Patent Gesellschaft mit
Torrence Dolph H.
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