Anthraquinone dyestuffs

Details Anthraquinone dyestuffs Anthraquinone dyestuffs

1984-06-01

1989-09-05

Gron, Teddy S.

Compositions

Liquid crystal compositions

Containing pleochroic dye

350349, 260371, 260372, 260373, 260376, 260377, 260378, 260380, 260381, C09K 1900, C09B 120

Patent

active

048636347

ABSTRACT:
Dyestuffs of the formula ##STR1## in which X designates OR.sub.2 or a group NHR.sub.2,

REFERENCES:
patent: 4232950 (1980-11-01), Denham
patent: 4360447 (1982-11-01), Morinaka et al.
patent: 4363743 (1982-12-01), Moeller et al.
patent: 4428858 (1984-01-01), Cognard et al.
patent: 4495083 (1985-01-01), Imazeki et al.
patent: 4505549 (1985-02-01), Shimidzu et al.
patent: 4532069 (1985-07-01), Scherowsky et al.
patent: 4585574 (1986-04-01), Blynck
patent: 4588517 (1986-05-01), Kaneko et al.
patent: 4596666 (1986-06-01), Blunck et al.
patent: 4689171 (1987-08-01), Blunck et al.
Cognard, J., et al., Mol. Cryst. Liq. Cryst., vol. 70, pp. 1-19 (1981).

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