PREPARATION OF TRISAZO DIRECT DYES

The direct dye of formula (I) is prepared by (1) tetrazolating a benzidine-based compound, (2) primary coupling the tetrazolated with 1-amino-8-naphtol-3,6-disulfonic acid, (3) secondary coupling the primary coupling solution with the diazolated product of aniline compound, (4) finally coupling the...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LEE, JONG - HUN, JANG, DOK - SUN, IM, SU - IL, IM, TAE - JONG
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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