Metal complexes of bis-azomethines and processes for their...

C - Chemistry – Metallurgy – 08 – K

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260/161, 260/429

C08K 5/00 (2006.01) C09B 55/00 (2006.01) C09B 56/02 (2006.01)

Patent

CA 1042876

Abstract of the Disclosure 1:1 metal complexes of bis-azomethines of the formula Image wherein R denotes an alkylene radical which contains 2-8 C atoms and is optionally interrupted by hetero-atoms, X denotes a H or halogen atom or an alkyl, alkoxy, carboxyl, alkoxy- carbonyl or phenlazo group and Y and 2 denote H or halogen atoms, or wherein the substituents Y and 2 form a fused benzene ring and, if R contains a hetero-atom, Y and Z must not be H atoms, and if R contains 2 C atoms, X, Y m d Z must not be H atoms, and a metal are valuable pigments coloring pla- stics and printing inks in fast yellow to range shades.

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