Phenylazo orthocyano phenylazo or orthocyano phenylazo phenylazo containing dyestuffs

Phenylazo orthocyano phenylazo or orthocyano phenylazo phenylazo containing dyestuffs

Disazo dyestuffs of the formula A'-N=N-B'-N=N-K are disclosed in which A' is an aromatic carbocyclic or aromatic heterocyclic radical; B' is aromatic carbocyclic and at least one of A' and B' carries a cyano group ortho to the azo group; and K is the radical of a coupli...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GOTTSCHLICH, ALOIS, LEVERENZ, KLAUS
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:Disazo dyestuffs of the formula A'-N=N-B'-N=N-K are disclosed in which A' is an aromatic carbocyclic or aromatic heterocyclic radical; B' is aromatic carbocyclic and at least one of A' and B' carries a cyano group ortho to the azo group; and K is the radical of a coupling component, e.g. parahydroxyaryl or N-substituted paraaminoaryl radicals.