Azo pigments and processes for producing them

Details Azo pigments and processes for producing them Azo pigments and processes for producing them

C - Chemistry, Metallurgy

09

B

260/170, 260/171

C09B 29/00 (2006.01) C09B 29/01 (2006.01) C09B 29/033 (2006.01) C09B 29/33 (2006.01)

Patent

CA 1087173

Abstract of the Disclosure Azopigments of the formula Image wherein X and Y are each hydrogen, halogen, alkyl or alkoxy having 1-4 C atoms, Q is a group of the formula -CONH- or -NHCO-, and Z is an O atom or is a group of the formula -NR-, -NHCO-, -CONH-, -CH=N- or Image in which R is hydrogen. alkyl having 1-4 C atoms, or phenyl unsub- stituted or substituted by halogen, alkyl or alkoxy having 1-4 C atoms, and V is hydrogen, halogen, alkyl or alkoxy having 1-4 C atoms, and the azo group can be bound to the phenyl group A or B are useful for coloring plastics in fast yellow shades.

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