Finely divided azo pigment and process for producing the same

Details Finely divided azo pigment and process for producing the same Finely divided azo pigment and process for producing the same

C - Chemistry, Metallurgy

09

B

C09B 67/04 (2006.01) C09B 67/10 (2006.01) C09B 67/48 (2006.01)

Patent

CA 2608244

Finely divided azo dye and process for producing the same. The invention relates to a finely divided mono-azo pigment of formula (I) in the beta crystal phase (I), characterised in that at least 90 % by weight of the particles have a stoke equivalent diameter equal to or smaller than 130 nm.

L'invention concerne un pigment monoazoïque à fines particules de formule (I) en phase bêta-cristalline (I). L'invention est caractérisée en ce qu'au moins 90 % en poids des particules ont un diamètre d'équivalence Stokes = 130 nm.

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