Anthraquinone compounds

Details Anthraquinone compounds Anthraquinone compounds

1983-04-06

1985-01-15

Gron, Teddy S.

Compositions

Liquid crystal compositions

Containing pleochroic dye

260378, 260380, 260383, 350349, C09K 334, G02F 113, C07C 9726, C07C 4974

Patent

active

044937857

ABSTRACT:
New pleochroic anthraquinones, suitable for use in colored liquid crystal displays based upon the guest-host effect, of the formula: ##STR1## wherein R & R.sup.1, each independently, represents C.sub.4-7 -n-alkyl; and

REFERENCES:
patent: 4232950 (1980-11-01), Benham
patent: 4363743 (1982-12-01), Moeller et al.
patent: 4391489 (1983-07-01), Harrison et al.
patent: 4391754 (1983-07-01), Renfrew

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