Dyestuff mixtures
AssigneeBayer Aktiengesellschaft
InventorsRolf Hinrichs, Peter Wild
Life of this patent
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Abstract
The dyestuff mixtures comprising the dyestuff of the formula (I) ##STR1## and a dyestuff of the formula ##STR2## wherein R.sub.1 and R.sub.2 independently of one another represent alkyl, cycloalkyl or aryl, and/or tautomeric forms of the dyestuffs of the formulae (I) and/or (II), are particularly suitable for the preparation of concentrated, storage-stable dyestuff solutions which, apart from a small amount of alkanolamines, comprise no further water-soluble organic solubilising agents.
Claims9
A dyestuff mixture comprising the dyestuff of the formula (I) ##STR8## and a dyestuff of the formula ##STR9## wherein R.sub.1 and R.sub.2 independently of one another represent alkyl, cycloalkyl or aryl, tautomeric forms of the dyestuffs of the formulae II or mixtures thereof (II).
Dependencies are inferred from the claim text.