C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
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
Fujimoto Shin
Ito Shigeru
Iwao Mayumi
Ueno Ryuzo
Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo
Smart & Biggar
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