Water-soluble copper phthalocyanine dyestuffs, their preparation and their use

US5882360A · kind A · utility

Assignee

• Clariant Corporation · DE

Inventors

• Wolfgang Bauer · Krefeld, DE
• Dieter Baumgart · Egelsbach, DE
• Walter Zoller · Dippoldiswalde, DE
• Klaus-Peter Kreutzer · Nidderau, DE

Key dates

• Filing date: Aug 24, 1997
• Grant date: Mar 16, 1999
• Expiry date: Aug 24, 2017

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S8/919
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

The present application relates to water-soluble copper phthalocyanine dyestuffs of the formula I ##STR1## in which CuPc is a copper phthalocyanine radical; PA1 X is a straight-chain or branched alkylene having 2 to 6 carbon atoms; PA1 Y is a straight-chain or branched alkylene having 2 to 6 carbon atoms or a straight-chain or branched alkylene having 1 to 6 carbon atoms which is substituted by hydroxyl, carboxyl or amino; PA1 R.sup.1 and R.sup.2 independently of one another are hydrogen or alkyl having 1 to 4 carbon atoms; PA1 R.sup.3 represents hydrogen, alkyl having 1 to 4 carbon atoms, hydroxyalkyl having 1 to 4 carbon atoms or aminoalkyl having 1 to 4 carbon atoms; PA1 R.sup.4 is hydrogen or alkyl having 1 to 4 carbon atoms; PA1 M is a monovalent cation or one equivalent of a polyvalent cation; PA1 a and b independently of one another are 1 or 2 and PA1 c is 0 or 1 the sum a+b+c being 3 or 4, processes for their preparation, their use for dyeing and printing naturally occurring and synthetic fiber materials, and recording liquids, in particular for the inkjet process, and liquid formulations for pulp-dyeing of paper which comprise the dyestuffs according to the invention.