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US 10,450,463 B2Granted
Mixtures of fibre-reactive dyes
AssigneeDyStar Colours Distribution GmbH
InventorsAdrian Murgatroyd, Ulrich Hanxleden, Manfred Hoppe, Clemens Grund, Michael Sting-Rosen
Life of this patent
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Abstract
Mixtures of fiber reactive dyes and their use of for the dyeing of hydroxyl- and carboxamide-containing material in blue and navy shades are described.
Claims2
A mixture of fibre-reactive dyes consisting of:
- a dye of formula (I-1), (II-1) and (III-7)
- wherein the dye of formula (I-1), (II-1) and (III-7) is present in a weight ratio of (I-1) 50 to 60%, (II-1) 40 to 20% and (III-7) 30 to 20% with percentages adding up to 100%.
Dependencies are inferred from the claim text.