CH580672A5CH1308372ACH1308372ACH580672A5CH 580672 A5CH580672 A5CH 580672A5CH 1308372 ACH1308372 ACH 1308372ACH 1308372 ACH1308372 ACH 1308372ACH 580672 A5CH580672 A5CH 580672A5
Authority
CH
Switzerland
Application number
CH1308372A
Original Assignee
Bayer Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bayer AgfiledCriticalBayer Ag
Priority to US395105ApriorityCriticalpatent/US3883498A/en
Publication of CH580672A5publicationCriticalpatent/CH580672A5/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
C09B43/00—Preparation of azo dyes from other azo compounds
C09B43/32—Preparation of azo dyes from other azo compounds by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines; by reacting keto-groups with amines