Verfahren zur Herstellung wasserunlöslicher Disazofarbstoffe

The invention comprises water-insoluble disazo dyestuff of the formula wherein A represents a benzene residue which may be substituted, and R represents a 2-hydroxynaphthalene residue or a 2-aminonaphthalene residue bound to the azo group in the 1-position. They may be obtained by coupling a diazo...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	WILHELM,LIECHTI,HANS
Format:	Patent
Sprache:	ger
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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