Doubled reactive dyes

US5175262A · kind A · utility

Assignee

• BASF SE

Inventors

• Hermann Loeffler · Speyer, DE
• Klaus Pandl · Ludwigshafen, DE
• Manfred Patsch · Monsheim, DE

Key dates

• Filing date: Oct 25, 1991
• Grant date: Dec 29, 1992
• Expiry date: Oct 25, 2011

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B62/043
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Reactive dyes of the formula ##STR1## where R.sup.1 is hydrogen, methyl or ethyl, PA0 X is hydrogen or hydroxysulfonyl, PA0 Hal is fluorine or chlorine, PA0 D is phenylene, carboxyl- or hydroxysulfonyl-monosubstituted or -disubstituted phenylene or hydroxysulfonyl-monosubstituted or -disubstituted naphthylene, PA0 A is a fiber-reactive radical, or A--D combined is a benzo-fused fiber-reactive radical, and PA0 Z is a bridge member, are useful for dyeing or printing hydroxyl- or nitrogen-containing substrates.