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Publication of NL6602858ApublicationCriticalpatent/NL6602858A/xx
C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
C09B44/00—Azo dyes containing onium groups
C09B44/10—Azo dyes containing onium groups containing cyclammonium groups attached to an azo group by a carbon atom of the ring system
C09B44/18—Azo dyes containing onium groups containing cyclammonium groups attached to an azo group by a carbon atom of the ring system having three nitrogen atoms as the only ring hetero atoms
