KATIONISCHE DISAZOVERBINDUNGEN

Cationic disazo compounds of the formula wherein K independently of one another are each a coupling component, R independently of one another are each an unsubstituted or substituted C1-C4-alkyl group, R1 independently of one another are each hydrogen, unsubstituted or substituted C1-C4-alkyl, unsub...

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Bibliographische Detailangaben
1. Verfasser:	RAMANATHAN,VISVANATHAN,DR
Format:	Patent
Sprache:	ger
Schlagworte:	ADHESIVES CHEMISTRY DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM DYEING OR PRINTING TEXTILES DYES FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR IMPREGNATING OR COATING OF PAPER LAKES LAUNDERING 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 TREATMENT OF TEXTILES OR THE LIKE
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Beschreibung
Zusammenfassung:	Cationic disazo compounds of the formula wherein K independently of one another are each a coupling component, R independently of one another are each an unsubstituted or substituted C1-C4-alkyl group, R1 independently of one another are each hydrogen, unsubstituted or substituted C1-C4-alkyl, unsubstituted or substituted C1-C4-alkoxy, or halogen, and An is an anion are useful as dyes, in particular as paper dyes, whereby dyeings fast to water are obtained. The dyeings obtained have very good fastness to light and to wet processing. Disazo compounds of the formula wherein K and R, are as defined above are useful as disperse dyes and as intermediates in the preparation of the above cationic disazo compounds.