Reactive dyestuffs, their preparation and their use for dyeing materials containing OH or N

US4294580A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Hermann Henk · Cologne, DE
• Klaus Wunderlich · Waiblingen, DE
• Peter Wild · Odenthal, DE

Key dates

• Filing date: Dec 31, 1979
• Grant date: Oct 13, 1981
• Expiry date: Dec 31, 1999

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S8/918
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Dyestuffs of the formula ##STR1## wherein Fb, W, R.sub.1, R.sub.2, R.sub.3, n and m have the meaning given in the description, and their use for dyeing and printing materials containing hydroxyl groups or nitrogen, such as textile fibres, filaments and fabrics of wool, silk or synthetic polyamide or polyurethane fibres, and for washfast dyeing and printing natural or regenerated cellulose. The dyeings obtained are distinguished by good fastness to wet processing.