Triphendioxazine dyestuffs for dyeing organic substrates

C - Chemistry – Metallurgy – 09 – B

Patent

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Details

C09B 19/02 (2006.01) C09D 11/02 (2006.01)

Patent

CA 2327679

Triphendioxazine dyestuffs of formula (I), wherein A is hydrogen or a discretionary substituent and R is a discretionary radical, a novel process for their preparation and their use for the dyeing of organic substrates.

L'invention concerne des colorants de triphendioxyzine de formule (I) dans laquelle A désigne un hydrogène ou un substituant déterminé et R désigne un radical déterminé, un nouveau procédé de préparation de ces colorants et leur utilisation pour colorer des substrats organiques.

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