Cationic triazatrimethine dyestuffs

US5328993A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Hauke Furstenwerth · Leverkusen, DE
• Karl-Heinrich Lange · Burscheid, DE
• Roderich Raue · Dover, US
• Alfred Brack · Odenthal, DE

Key dates

• Filing date: Apr 15, 1993
• Grant date: Jul 12, 1994
• Expiry date: Apr 15, 2013

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S8/927
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The new cationic triazatrimethine dyestuffs of the formula ##STR1## wherein the substituents B, Z, R.sup.2 and An.sup..crclbar. have the meaning given in the description, are suitable for dyeing and printing naturally occurring and synthetic materials.