Sulphonic acid-, hydroxy-substituted phenyl azo-naphthyl azo-N-aryl amino dyes

Sulphonic acid-, hydroxy-substituted phenyl azo-naphthyl azo-N-aryl amino dyes

A disazo dyestuff has the formula wherein the sulphonic acid group in ring A is in meta or para position relative to the hydroxy group and E represents

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Bibliographische Detailangaben
Hauptverfasser: RIDYARD, DENIS ROBERT ANNESLEY
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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Beschreibung
Zusammenfassung:A disazo dyestuff has the formula wherein the sulphonic acid group in ring A is in meta or para position relative to the hydroxy group and E represents