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US 2017/0121527 A1Published application
Bisazo dyes and mixtures thereof
AssigneeArchroma IP GmbH
InventorsASAD BILAL HALEEM, SHAHID ALI AHMED
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Abstract
The present invention relates to novel bisazo dyes, a process for their preparation and their use for dyeing and/or printing substrates.
Claims15
A compound of formula (I)
- wherein K1 and K2 are independently unsubstituted or substituted aryl.
Composition comprising at least one compound of formula (I)
- wherein K1 and K2 are independently unsubstituted or substituted aryl.
- or a salt thereof and a medium, wherein the composition comprises
- (a) from 0.01 to 30 parts, or from 0.1 to 20 parts, or from 0.5 to 15 parts, or from 1 to 5 parts of at least one compound of formula (I) or a salt thereof;
- and
- (b) from 70 to 99.99 parts, or from 80 to 99.9 parts, or from 85 to 99.5 parts, or from 95 to 99 parts of a medium comprising a mixture of water and an organic solvent, an organic solvent free from water, or a low melting point solid,
- wherein all parts are by weight and the number of parts of (a)+(b) amounts to 100.
3 more elements
Dependencies are inferred from the claim text.