Disazo pigments and process for their manufacture

Details Disazo pigments and process for their manufacture Disazo pigments and process for their manufacture

C - Chemistry, Metallurgy

09

B

260/162, 260/164

C09B 31/02 (2006.01) C09B 33/02 (2006.01) C09B 33/153 (2006.01) C09B 35/02 (2006.01)

Patent

CA 1045119

Abstract of the Disclosure Disazo pigments of the formula Image wherein A denotes a phenylene or naphthylene radical, R denotes an aryl, alkyl or alkenyl group optionally substi- tuted by halogen ato?s, by hydroxyl, alkoxy or alkylmercapto groups containing 1-6 C atoms, by alkoxycarbonyl groups con- taining 2-6 C atoms or cyano, aryl, aryloxy, arylmercapto or heterocyclic radicals, or denotes a heterocyclic radical, and the X and Y denote H atoms or substituents which do not confer solubility in water are useful for coloring plastics lacquers and printing inks in yellow to orange shade of good fastness properties.

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