Mixtures of Reactive Dyes and Their Use
AssigneeHuntsman International LLC
InventorsGeorg Roentgen, Athanassios Tzikas, Hubert Jean-Luc Christnacher, Laszlo Fekete
Life of this patent
Estimating the term…
Loading patent…
AssigneeHuntsman International LLC
InventorsGeorg Roentgen, Athanassios Tzikas, Hubert Jean-Luc Christnacher, Laszlo Fekete
Estimating the term…
Dye mixtures comprising at least one reactive dye of the formula (1) together with at least one reactive dye of the formula (2), wherein one of the radicals A and B denotes NH2, and the other one of the radicals A and B denotes OH, D is a benzene or naphthalene radical, R1 is hydrogen, hydroxy, sulfo, C1-C4alkyl or C1-C4alkoxy unsubstituted or substituted in the alkyl moiety by hydroxy or by sulfato, R2 is hydrogen, C1-C4alkyl, C1-C4alkoxy, C2-C4alkanoylamino or ureido, R3 is C1-C4alkyl, (R4)0-2 denotes 0 to 2 identical or different substituents selected from the group C1-C4alkyl, C1-C4alkoxy or sulfo, X1 is halogen, 3-carboxypyridin-1-yl or 3-carbamoylpyridin-1-yl, Y1, Y2, Y3, Y4 and Y5 are each independently of the other vinyl or a radical —CH2CH2—U and U is a group removable under alkaline conditions, h, k, l, m and n are each independently of the other the number 0, 1 or 2, and p and q are each independently of the other the number 0 or 1, are suitable for dyeing and printing cellulosic or nitrogen-containing fibre materials.
A dye mixture comprising at least one reactive dye of the formula
The reactive dye of the formula
The reactive dye of the formula
Dependencies are inferred from the claim text.