Cationic dyestuffs

US3959310A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Alfred Brack · Odenthal, DE
• Ernst Schmitt · Cologne, DE

Key dates

• Filing date: Jan 19, 1973
• Grant date: May 25, 1976
• Expiry date: Jan 19, 1993

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D06P1/41
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Cationic dyestuffs and processes for their manufacture and their use for dyeing, printing and bulk dyeing of natural and synthetic materials, particularly of polyacrylonitrile and copolymers of acrylonitrile with other vinyl compounds, acid modified aromatic polyesters and acid modified polyamides.