Disperse azo dyestuffs

Details Disperse azo dyestuffs Disperse azo dyestuffs

C - Chemistry, Metallurgy

09

B

C09B 29/01 (2006.01)

Patent

CA 2644972

The present invention claims dyestuffs of the formula (I) wherein each of G1 and G2, independently is hydrogen, (C1-C4)-alkyl, trifluoromethyl, halogen, nitro, cyano or -SO2-T, wherein T is halogen, (C1-C4)-alkyl, (C1-C4)-alkoxy, aryl or aryloxy; K is a coupling component; and n is 1 or 2;a process for their preparation, their use and and inks for ink jet printing containing them.

La présente invention concerne des colorants de formule (I) où chacun des groupements G1 et G2 représente indépendamment un atome d'hydrogène ou un groupement alkyle en C1-C4, trifluorométhyle, halogéno, nitro, cyano ou -SO2-T, où T représente un atome d'halogène ou un groupement alkyle en C1-C4, alcoxy en C1-C4, aryle ou aryloxy ; K est un élément de couplage ; et n est égal à 1 ou à 2 ; la présente invention concerne également un procédé de synthèse desdits colorants, ainsi que leurs applications et des encres pour impression jet d'encre les incluant.

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