Anthraquinone dyestuffs

Details Anthraquinone dyestuffs Anthraquinone dyestuffs

1973-02-20

1977-02-01

Daus, Donald G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260240D, 260325PH, 8 39C, 8 40, C09B 524, C07D20966, C07D20968

Patent

active

040061639

ABSTRACT:
An anthraquinone dye of sparing aqueous solubility of the formula ##STR1## WHEREIN X represents oxygen or NH, Y represents alkylene having 1 to 4 carbon atoms which is optionally interrupted by oxygen, nitrogen or sulphur, Z represents oxygen or -NR.sub.1, in which R.sub.1 represents an alkyl having 1 to 4 carbon atoms or hydrogen, Ac represents the acyl radical of a carboxylic acid having up to 8 carbon atoms, a sulphuric acid having up to 7 carbon atoms or a carbamic acid having up to 8 carbon atoms, and B represents chlorine, bromine or hydrogen. The new dyestuffs dye polyester fibres in very fast blue shades.

REFERENCES:
patent: 2338908 (1944-01-01), Dickey et al.
patent: 3631184 (1971-12-01), Guye-Vuilleme
patent: 3636065 (1972-01-01), Guye-Vuilleme
patent: 3687985 (1972-08-01), Maier
patent: 3689510 (1972-09-01), Kolliker et al.
patent: 3752831 (1973-08-01), Diamantaglou et al.
patent: 3803168 (1974-04-01), Kolliker et al.

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