Azo-pigment-dyestuffs production process

• Main Author: MORY,RUDOLF,DR
• Format: Patent
• Language: English; German
• Published: 31.08.1971
• Edition: 1
• Subjects: 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

Dyestuffs of type: R'.N=N.R2.CO.NHR3 (where R1 = residue of a diazotised amine, R2 = ketomethylene, and R3 = naphthostyryl residue), are made by coupling a diazo- or diazoamino-cpd. with a component of type: H.R2.CO.NHR3. Pref. amines are of type: (where A = p- or (esp.) m-CONH-, X = H, halogen...