Azo-pigment-dyestuffs production process
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...
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Main Author | |
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Format | Patent |
Language | English German |
Published |
31.08.1971
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Edition | 1 |
Subjects | |
Online Access | Get full text |
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