Dye preparations containing azo dyes

US6537331B1 · kind B1 · utility

Assignee

• BASF SE

Inventors

• Karl Siemensmeyer · Bischofswerda, DE
• Bernd Siegel · Ludwigshafen, DE
• Volker Bach · Neustadt, DE
• Manfred Herrmann
• Günther König · Frankenthal (Pfalz), DE
• Rudiger Sens · Ludwigshafen, DE

Key dates

• Filing date: Jun 5, 2000
• Grant date: Mar 25, 2003
• Expiry date: Jun 5, 2020

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D06P5/006
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Dye preparations comprising, based in each case on the weight of the preparation, from 0.1 to 30% by weight of one or more dyes from the class of the mono- or polyazo dyes containing no acidic groups, from 0.1 to 20% by weight of a dispersant based on an arylsulfonic acid-formaldehyde condensate or from 0.1 to 20% by weight of a water-soluble dispersant based on alkoxylated phenols with or without water, and their use as inks in the inkjet process and for textile sublimation transfer printing.