Isoindoline pigments and processes for their preparation and...

C - Chemistry – Metallurgy – 09 – B

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6/217, 260/251,

C09B 57/00 (2006.01) C09B 57/04 (2006.01) D06P 1/00 (2006.01)

Patent

CA 1085395

Abstract of the Disclosure Isoindolinone pigments of the formula Image in which R is an aryl radical which can contain groups which do not confer solubility and X is a group of the formulae Image or Image , in which Q is a radical of the formula -CONHR1 or Image in which R1 is a di- or tri-halogenophenyl radical or a carbamoylphenyl radical or a phenyl radical which is fused with a 5-membered or 6-membered hetero-ring which contains a cyclic- ally bonded -CONH group, are useful for coloring in yellow to orange shades of good fastness properties.

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