Back to results
US 10,611,916 B2Granted
High wet fast brilliant blue disperse dye mixtures
AssigneeDyStar Colours Distribution GmbH
InventorsManfred Hoppe, Clemens Grund, Fanny Vermandel, Werner Tißen
Life of this patent
Estimating the term…
Abstract
The present invention is directed to high wet fast brilliant blue disperse dye mixtures comprising dye(s) of formula (I) and of formula (II) their production and their use for textile dyeing and printing.
Claims1
A process for dyeing a polyester material comprising contacting the polyester material with a dye mixture in a concentration of 1.0 to 2.0% by weight and wherein the dye mixture consists essentially of
- 10 to 50% by weight of a dye formula (I-a)
- 15 to 30% by weight of a dye of the formula (II-1)
- and
- 20 to 75% by weight of a dye of the formula (IV)
1 more element
Dependencies are inferred from the claim text.