Patent ID: 9371611
Filing Date: 2016-06-21
CPC Classification: C09B,C09D,D06P

Claim Text:
1. A process for printing of a substrate comprising spraying individual droplets of an aqueous ink onto the substrate from a nozzle in a controlled manner wherein the aqueous ink comprises a dye mixture consisting of at least one dye of formula and at least one dye from the group of formulae and optionally an additive selected from sodium chloride, dextrin, a buffer, a dispersant, an anti-dust, an organic solvent, a solubilizer, a thickener, a surfactant, a humectant, an anti-foam, a preservative, a fluorinated polymer, a telomer and a mixture thereof, wherein (R 1 ) is sulfo, R 2 is C 1 alkoxy, R 3 , R 4 and R 5 are each hydrogen, one of the radicals Q 1 and Q 2 is amino and the other of the radicals Q 1 and Q 2 is hydroxy, X 1 is chlorine, Y 1 and Y 3 are each a fibre-reactive radical of formula T 1 is a fibre-reactive radical of formula Z is a —CH 2 —CH 2 -U radical and U is a group that is removable under alkaline conditions, b is 1, and k is 1.