US 12,448,519 B2
Mixture of reactive dyes and their use for the dyeing or printing of textile fibre materials
Hubert Jean-Luc Christnacher, Dietwiller (FR); Fanny Ehret, Reiningue (FR); Michael Nicollet, Village-Neuf (FR); Jean-Christophe Graciet, Village-Neuf (FR); and Georg Roentgen, Freiburg (DE)
Assigned to Archroma (Switzerland) GmbH, Pratteln (CH)
Appl. No. 17/921,169
Filed by Archroma (Switzerland) GmbH, Pratteln (CH)
PCT Filed Apr. 26, 2021, PCT No. PCT/EP2021/060849
§ 371(c)(1), (2) Date Oct. 25, 2022,
PCT Pub. No. WO2021/219556, PCT Pub. Date Nov. 4, 2021.
Claims priority of application No. 20171675 (EP), filed on Apr. 27, 2020.
Prior Publication US 2023/0167304 A1, Jun. 1, 2023
Int. Cl. C09B 67/00 (2006.01); C09B 29/30 (2006.01); C09B 67/22 (2006.01); C09D 11/033 (2014.01); C09D 11/037 (2014.01); C09D 11/328 (2014.01); D06P 1/06 (2006.01); D06P 3/66 (2006.01); D06P 5/30 (2006.01)
CPC C09B 67/0045 (2013.01) [C09B 29/30 (2013.01); C09D 11/033 (2013.01); C09D 11/037 (2013.01); C09D 11/328 (2013.01); D06P 1/06 (2013.01); D06P 3/666 (2013.01); D06P 5/30 (2013.01)] 19 Claims
 
1. A dye mixture comprising at least one dye of formula

OG Complex Work Unit Chemistry
and at least one dye of formula

OG Complex Work Unit Chemistry
wherein
R1 is hydrogen or C1-C4 alkyl,
R2 is hydrogen, C1-C4 alkyl, C1-C4 alkoxy or sulfo,
Q1 is a fibre-reactive radical of formula
—(CH2)2-3—SO2—Y2  (3a) or
—(CH2)2-3—O—(CH2)2-3—SO2—Y3  (3b),
Q2 has the meaning of Q1, or is hydrogen or C1-C4 alkyl,
X1 and X2 are each independently of the other halogen, 3-carboxypyridin-1-yl or 3-carbamoylpyridin-1-yl,
Y1, Y2 and Y3 are each independently of the others vinyl or a radical —CH2—CH2—U and U is a group removable under alkaline conditions,
Z1 and Z2 are each independently of the other —SO2—Y, wherein Y is vinyl or a radical —CH2—CH2—U and U is a group removable under alkaline conditions,
M is hydrogen, an alkali metal or one equivalent of an alkaline earth metal,
k and n are each independently of the other the number 0, 1 or 2,
I and q are each independently of the other the number 0 or 1,
m is the number 0 or 1, and
wherein the diazo component of the dye of formula (1) and the diazo component of the dye of formula (2) each independently of the other are a benzene radical or a naphthyl radical.