Anthraquinone dyes
AssigneeBASF SE
InventorsErnst Hartwig, Reinhold Krallmann
Life of this patent
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Abstract
Dyes of the formula ##STR1## where Hal is chlorine or bromine, X is hydrogen, hydroxyphenyl or alkoxyphenyl, n is 1 or 2, or, when X is hydroxyphenyl or alkoxyphenyl, may furthermore be O, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently of one another are each unsubstituted or alkoxy-substituted alkyl, and R.sup.1 and R.sup.3 may furthermore be hydrogen, are of high color strength, and very useful for dyeing and printing cellulose-containing fiber material or cellulose swollen by means of water-miscible swelling agents.
Claims2
A dye of the formula ##STR14## where X is hydrogen, 4-hydroxyphenyl or 4-methoxyphenyl, and ##STR15## are each independently --N(CH.sub.3).sub.2 or --NHCH.sub.3.
Dependencies are inferred from the claim text.