Process for dyeing or printing fibre materials containing hydroxyl groups

US5762652A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Wolfram Reddig · Bensberg, DE
• Joachim Wolff · Odenthal, DE
• Ulrich Hanxleden · Leverkusen, DE

Key dates

• Filing date: Jan 29, 1997
• Grant date: Jun 9, 1998
• Expiry date: Jan 29, 2017

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D06P3/828
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

Process for dyeing or printing fiber materials containing hydroxyl groups, characterized in that at least one blue-dyeing dyestuff of the formula ##STR1## wherein the substituents have the meaning given in the description, is used together with at least one yellow-dyeing and/or at least one red-dyeing and/or at least one navy blue- or black-dyeing dyestuff.