CATIONIC AZO DYESTUFFS, THEIR PREPARATION, THEIR USE IN COLOURING PAPER AND COMPOSITIONS CONTAINING THEM

1. Process for dyeing paper, characterised in that cationic azo dyestuffs of the general formula see diagramm : EP0024321,P8,F4 which can be symmetrical or asymmetrical, and wherein X**(+) denotes an ammonium group, m denotes 0 or 1, R1 denotes hydrogen, C1 - to C4 -alkyl, halogen or C1 -C4 -alkoxy,...

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Bibliographische Detailangaben
Hauptverfasser:	NICKEL, HORST, MULLER. FRIEDHELM, MUMMENHOFF, PETER
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ADHESIVES CHEMISTRY DYES IMPREGNATING OR COATING OF PAPER LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING POLISHES PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	1. Process for dyeing paper, characterised in that cationic azo dyestuffs of the general formula see diagramm : EP0024321,P8,F4 which can be symmetrical or asymmetrical, and wherein X(+) denotes an ammonium group, m denotes 0 or 1, R1 denotes hydrogen, C1 - to C4 -alkyl, halogen or C1 -C4 -alkoxy, R2 and R3 independently of one another denote hydrogen, C1 - to C4 -alkyl, C1 - to C4 -alkoxy or acylamino and An(-) denotes an anion, are used.