Process for producing azo pigment

C - Chemistry – Metallurgy – 09 – B

Patent

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260/175.4, 260/1

C09B 29/15 (2006.01) C09B 67/22 (2006.01)

Patent

CA 1259608

Abstract of the Disclosure A process for producing an azo pigment, which comprises coupling an aromatic diazonium compound with 3-hydroxy-2-naphthoic acid and at least one binaphthol and optionally, laking the resulting pigment.

543211

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