Back to results
US 8,906,116 B2Granted
Mixtures of disperse dyes
AssigneeDyStar Colours Distribution GmbH
InventorsAdrian Murgatroyd, Clemens Grund, Klaus-Wilfried Wanken, Hartwig Jordan
Life of this patent
Estimating the term…
Abstract
The present invention relates to dye mixtures which comprise at least one dye of the formula (I) and at least one dye of the formula (II) in which R1, R2, R3, and X are defined as stated in claim 1, to processes for their preparation, and to their use.
Claims16
A dye mixture which consists of at least one dye of the formula (I)
- in which
- R1 is (C1-C4)-alkyl or (C1-C4)-alkoxy-(C1-C4)-alkyl;
- and
- R2 is (C1-C4)-alkoxy;
- and at least one dye of the formula (II)
- in which
- X is chloro or bromo;
- and
- R3 is (C1-C4)-alkyl and
- wherein the dyes of the formulae (I) and (II) are present in amounts each of 20% to 80% by weight.
7 more elements
Dependencies are inferred from the claim text.