New water-soluble azo dyes and their production

The invention comprises water-soluble azo dyes of the formula wherein X is H, alkyl, alkoxy or acylamino, Y is H, alkyl, alkoxy or SO3H, R is H, alkyl or substituted alkyl and n is 1 or 2. They may be obtained by reacting an azo dye of the formula with diketene with acetoacetylation of the amino g...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LUETZEL GERHARD, BAUMANN HANS
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS POLISHES
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