Reactive dyestuffs containing a difluoropyrimidine radical

US5436324A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Wolfram Reddig · Bensberg, DE
• Karl-Josef Herd · Odenthal, DE

Key dates

• Filing date: Jul 23, 1992
• Grant date: Jul 25, 1995
• Expiry date: Jul 23, 2012

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B62/22
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Improved reactive dyestuffs of the following formula (I) ##STR1## in which the substituents have the meaning given in the description. The improved reactive dyestuffs are highly suitable for the dyeing and printing of natural or synthetic OH-- and/or amido-containing materials, in particular, those made of cellulose and polyamides.