Navy blue mixtures of disperse mono-azo dyes for cellulose acetate

US4537597A · kind A · utility

Assignee

• BASF SE

Inventors

• Udo Bergmann · Darmstadt, DE
• Helmut Degen · Bischofswerda, DE
• Guenter Hansen · Ludwigshafen, DE
• Reinhold Krallmann · Bad Dürkheim, DE
• Hans Weber · Basel, CH

Key dates

• Filing date: May 17, 1984
• Grant date: Aug 27, 1985
• Expiry date: May 17, 2004

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S534/01
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Mixtures of dyes of the formula I ##STR1## where X is chlorine or bromine, Z is hydrogen, methyl, ethyl, C.sub.1 -C.sub.4 -alkoxy or acetylamino, R is C.sub.1 -C.sub.4 -alkyl, R.sup.1 and R.sup.2 independently of one another are each allyl or methallyl or are each C.sub.1 -C.sub.6 -alkyl which is unsubstituted or substituted by hydroxyl, C.sub.1 -C.sub.4 -alkoxy or alkanoyloxy, or R.sup.1 and R.sup.2 together with the nitrogen atom are morpholino or tetra-, penta- or hexamethyleneimino, and one of the radicals R.sup.1 and R.sup.2 may furthermore be hydrogen.