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US 7,004,982 B2Granted
Use of pigments as disperse dyestuffs
AssigneeClariant Finance (BVI) Limited
InventorHelmut Sieber
Life of this patent
Estimating the term…
Abstract
Use of pigments according to formula (I) wherein all substituents have the meanings as defined in claim 1 for dyeing semisynthetic or synthetic hydrophobic fiber materials in aqueous media as well as semisynthetic or synthetic hydrophobic fiber materials dyed with such pigments.
Claims8
A process for dyeing a semisynthetic or synthetic hydrophobic fiber material comprising the steps of:
- providing at least one pigment according to formula (I)
- where R1–R12 independently from each other signify H, halogen, —NO2, —CN, —OH, —CH3, —NH2 or NHCH3,
- in an aqueous media;
- providing a semisynthetic or synthetic hydrophobic fiber material;
- and
- contacting said semisynthetic or synthetic hydrophobic fiber material with said at least one pigment.
3 more elements
A process for the use of a pigment of formula (I)
- where R1–R12 independently from each other is H, halogen, —NO2, —CN, —OH, —CH3, —NH2 or NHCH3, for dyeing polyester hydrophobic fiber material where the dyeing process takes place in an aqueous media comprising the step of contacting at least one pigment according to formula (I) in an aqueous media with semisynthetic or synthetic hydrophobic fiber material.
Dependencies are inferred from the claim text.