Azo lake pigment composition

Details Azo lake pigment composition Azo lake pigment composition

C - Chemistry, Metallurgy

09

B

C09B 29/30 (2006.01) C09B 63/00 (2006.01) C09B 67/22 (2006.01)

Patent

CA 2301984

Pigment composition which comprises azo pigments and auxochromes. The composition is prepared in-situ by coupling an aromatic diazonium compound with 3-hydroxy-2- naphthoic acid and can be produced in a fixed quality with excellent reproducibility, transparency, a high color strength, clear and vivid hue and good water resistance.

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