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US 2004/0049862 A1Published application
Use of pigment dyes for dispersion dyeing from aqueous media
AssigneeClariant Finance (BVI) Limited
InventorHelmut Sieber
Life of this patent
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Abstract
Use of pigments according to formula (I) 1 wherein the substituents have the meanings as defined in claim 1 for dyeing semisynthetic or synthetic hydrophobic fiber materials characterized in that the dyeing process takes place in aqueous media as well as semisynthetic or synthetic hydrophobic fiber materials dyed by such an use.
Claims5
Use of pigments according to formula (I)
- 4
- wherein R1-R8 independently from each other signify h, halogen, —NO2, —CN, —OH, —COOH, —CH3, —NH2 or NHCH3,
- for dyeing semisynthetic or synthetic hydrophobic fiber materials characterized in that the dyeing process takes place in an aqueous media:
Use of a pigment according to claim
- wherein R1-R8 independently from each other signify H, —Cl, —COOH or —CN.
Dependencies are inferred from the claim text.