Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Chemiekombinat Bitterfeld VEB
Original Assignee
Chemiekombinat Bitterfeld VEB
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Filing date
Publication date
Application filed by Chemiekombinat Bitterfeld VEBfiledCriticalChemiekombinat Bitterfeld VEB
Publication of FR2258427A1publicationCriticalpatent/FR2258427A1/fr
Application grantedgrantedCritical
Publication of FR2258427B1publicationCriticalpatent/FR2258427B1/fr
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
C09B29/00—Monoazo dyes prepared by diazotising and coupling
C09B29/0025—Monoazo dyes prepared by diazotising and coupling from diazotized amino heterocyclic compounds
C09B29/0029—Monoazo dyes prepared by diazotising and coupling from diazotized amino heterocyclic compounds the heterocyclic ring containing only nitrogen as heteroatom
C09B29/0037—Monoazo dyes prepared by diazotising and coupling from diazotized amino heterocyclic compounds the heterocyclic ring containing only nitrogen as heteroatom containing a five-membered heterocyclic ring with two nitrogen atoms