Process for producing dyeings with reactive dyestuffs

US4588413A · kind A · utility

Assignee

• Cassella Aktiengesellschaft · DE

Inventors

• Karl-Heinz Keil · Hanau, DE
• Fritz Engelhardt · Frankfurt am Main, DE
• Ulrich Greiner · Schöneck, DE
• Klaus Sternberger · Bad Vilbel, DE
• Manfred Pelster · Speyer, DE

Key dates

• Filing date: Jul 19, 1984
• Grant date: May 13, 1986
• Expiry date: Jul 19, 2004

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S8/918
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

Improvements in the fastness properties of substrates dyed with reactive dyestuffs are achieved by a dyeing after-treatment with an agent which is the reaction product polyethyleneimine and a bifunctional alkylating agent.