MIXTURES OF FIBRE REACTIVE DYES PRODUCTION AND USE THEREOF

1 - 10 . (canceled)

11 . A dye mixture comprising at least one dye of the formula (I),

wherein

V 1-1 represents vinyl sulfone or ethyl sulfone, substituted in the β-position by an alkali-eliminable substituent;

V 1-2 and V 1-3 independently represent hydrogen or —SO 3 M;

V 1-4 represents hydrogen, —SO 3 M, vinyl sulfone or ethyl sulfone, substituted in the β-position by an alkali-eliminable substituent;

V 1-5 represents hydrogen, (C 1 -C 4 )-alkyl, (C 1 -C 4 )-alkoxy, —SO 3 M, bromine or chlorine;

V 1-6 represents hydrogen, (C 1 -C 6 )-alkyl, —COOM, —COO—(C 1 -C 4 )-alkyl;

M represents hydrogen, an alkali metal, ammonium or the equivalent of an alkaline earth metal ion;

and at least one further dye either of the formula (II)

where

R 2-1 to R 2-4 independently represent hydrogen, —SO 3 M, (C 1 -C 4 )-alkyl or —COOR 2-5 ;

W 2 represents —NR 2-6 D 2 ;

R 2-5 and R 2-6 independently represent hydrogen or (C 1 -C 4 )-alkyl;

D 2 represents one of the following groups:

V 2-1 and V 2-2 independently represent hydrogen, —SO 3 M, vinyl sulfone or ethyl sulfone, substituted in the β-position by an alkali-eliminable substituent;

V 2-3 and V 2-5 represent vinyl sulfone or ethyl sulfone, substituted in the β-position by an alkali-eliminable substituent;

V 2-4 and V 2-6 independently represent hydrogen or —SO 3 M; and

Hal represents halogen;

and M is as defined above;

or of the formula (III)

where

W 3-1 and W 3-2 independently represent hydrogen, (C 1 -C 4 )-alkyl, (C 1 -C 4 )-alkyl, substituted by —OSO 3 M or represent one of the following groups:

D 3-1 and D 3-2 independently represent one of the following groups:

V 3-1 and V 3-12 independently represent hydrogen, —SO 3 M, vinyl sulfone or ethyl sulfone, substituted in the β-position by an alkali-eliminable substituent; and

n represents 1, 2, 3 or 4;

and M and Hal are each as defined above;

wherein the dye of the general formula (III) when V 3-1 to V 3-12 independently represent hydrogen or —SO 3 M contains at least one structural element of the formula

where Hal is as defined above;

or of the general formula (IV)

where

Y 4-1 represents the group of the formula

Y 4-2 has the same meanings as Y 4-1 or represents one of the following groups:

W 4 represents vinyl sulfone or ethyl sulfone, substituted in the β-position by an alkali-eliminable substituent or —NR 4-1 D 4 ;

D 4 represents one of the following groups:

V 4-1 to V 4-4 and V 4-9 to V 4-10 independently represent hydrogen or —SO 3 M;

R 4-1 represents hydrogen, methyl or ethyl;

V 4-5 to V 4-7 independently represent hydrogen, —SO 3 M, vinyl sulfone or ethyl sulfone, substituted in the β-position by an alkali-eliminable substituent; and

V 4-8 represents vinyl sulfone or ethyl sulfone, substituted in the β-position by an alkali-eliminable substituent;

and

and M is as defined above.

12 . The dye mixture as claimed in claim 11 comprising a dye of the formula (Ia)

where

V 1a-1 represents vinyl sulfone, sulfatoethyl sulfone or chloroethyl sulfone;

V 1a-4 represents hydrogen, —SO 3 M, vinyl sulfone, sulfatoethyl sulfone or chloroethyl sulfone; and

M represents hydrogen, sodium or potassium,

and at least one further dye of the formulae (II), (III) or (IV).

13 . The dye mixture as claimed in claim 11 comprising at least one dye of the formula (I) and at least one further dye of the formula (IIb)

wherein

R 2b-1 to R 2b-4 independently represent hydrogen, —SO 3 M, methyl or —COOR 2b-5 ;

W 2b represents NR 2b-6 D 2b ;

R 2b-5 and R 2b-6 independently represent hydrogen, methyl or ethyl;

D 2b represents one of the following groups:

V 2b-1 and V 2b-2 independently represent hydrogen, —SO 3 M, vinyl sulfone, sulfatoethyl sulfone or chloroethyl sulfone;

V 2b-3 and V 2b-5 independently represent vinyl sulfone, sulfatoethyl sulfone or chloroethyl sulfone;

V 2b-4 and V 2b-6 independently represent hydrogen or —SO 3 M; and

M represents hydrogen, sodium or potassium.

14 . The dye mixture as claimed in claim 12 comprising at least one dye of the formula (Ia) and at least one further dye of the formula (IIb)

wherein

R 2b-1 to R 2b-4 independently represent hydrogen, —SO 3 M, methyl or —COOR 2b-5 ;

W 2b represents NR 2b-6 D 2b ;

R 2b-5 and R 2b-6 independently represent hydrogen, methyl or ethyl;

D 2b represents one of the following groups:

V 2b-1 and V 2b-2 independently represent hydrogen, —SO 3 M, vinyl sulfone, sulfatoethyl sulfone or chloroethyl sulfone;

V 2b-3 and V 2b-5 independently represent vinyl sulfone, sulfatoethyl sulfone or chloroethyl sulfone;

V 2b-4 and V 2b-6 independently represent hydrogen or —SO 3 M; and

M represents hydrogen, sodium or potassium.

15 . The dye mixture as claimed in claim 11 comprising at least one dye of the formula (I) and at least one further dye of the formula (IIIb)

where

W 3b-1 and W 3b-2 independently represent hydrogen, (C 1 -C 4 )-alkyl, (C 1 -C 4 )-alkyl substituted by —OSO 3 M or represent one of the following groups:

D 3b-2 independently represents one group of the formulae

V 3b-1 to V 3b-5 and V 3b-9 to V 3b-11 independently represent hydrogen, SO 3 M, vinyl sulfone, sulfatoethyl sulfone or chloroethyl sulfone;

V 3b-6 and V 3b-12 represent vinyl sulfone, sulfatoethyl sulfone or chloroethyl sulfone;

n represents the number 1, 2, 3 or 4; and

M represents hydrogen, sodium or potassium.

16 . The dye mixture as claimed in claim 12 comprising at least one dye of the formula (Ia) and at least one further dye of the formula (IIIb)

where

W 3b-1 and W 3b-2 independently represent hydrogen, (C 1 -C 4 )-alkyl, (C 1 -C 4 )-alkyl substituted by —OSO 3 M or represent one of the following groups:

D 3b-2 independently represents one group of the formulae

V 3b-1 to V 3b-5 and V 3b-9 to V 3b-11 independently represent hydrogen, SO 3 M, vinyl sulfone, sulfatoethyl sulfone or chloroethyl sulfone;

V 3b-6 and V 3b-12 represent vinyl sulfone, sulfatoethyl sulfone or chloroethyl sulfone;

n represents the number 1, 2, 3 or 4; and

M represents hydrogen, sodium or potassium.

17 . The dye mixture as claimed in claim 11 comprising at least one dye of the formula (I) and at least one further dye of the formula (IVb)

where

Y 4b-1 represents the group of the formula

Y 4b-2 has the same meanings as Y 4b-1 or represents one of the following groups:

W 4b represents vinyl sulfone, sulfatoethyl sulfone, chlorosulfone or NR 4b-4 D 4b ;

D 4b represents a group of the formulae

where

V 4b-1 to V 4b-3 and V 4b-9 to V 4b-10 independently represent hydrogen or SO 3 M;

V 4b-5 to V 4b-7 independently represent hydrogen, SO 3 M, vinyl sulfone, sulfatoethyl sulfone or chloroethyl sulfone;

V 4b-8 represents vinyl sulfone, sulfatoethyl sulfone or chloroethyl sulfone;

R 4b-4 represents hydrogen, methyl or ethyl; and

M represents hydrogen, sodium or potassium.

18 . The dye mixture as claimed in claim 12 comprising at least one dye of the formula (Ia) and at least one further dye of the formula (IVb)

where

Y 4b-1 represents the group of the formula

Y 4b-2 has the same meanings as Y 4b-1 or represents one of the following groups:

W 4b represents vinyl sulfone, sulfatoethyl sulfone, chlorosulfone or NR 4b-4 D 4b ;

D 4b represents a group of the formulae

where

V 4b-1 to V 4b-3 and V 4b-9 to V 4b-10 independently represent hydrogen or SO 3 M;

V 4b-5 to V 4b-7 independently represent hydrogen, SO 3 M, vinyl sulfone, sulfatoethyl sulfone or chloroethyl sulfone;

V 4b-8 represents vinyl sulfone, sulfatoethyl sulfone or chloroethyl sulfone;

R 4b-4 represents hydrogen, methyl or ethyl; and

M represents hydrogen, sodium or potassium.

19 . The dye mixture as claimed in claim 14 comprising at least one dye of the formula (Ia) and at least one further dye of the formula (IIb).

20 . The dye mixture as claimed in claim 16 comprising at least one dye of the formula (Ia) and at least one further dye of the formula (IIIb).

21 . The dye mixture as claimed in claim 18 comprising at least one dye of the formula (Ia) and at least one further dye of the formula (IVb).

22 . The dye mixture as claimed in claim 11 comprising dyes of the general formula (I) in amounts of 90% to 10% by weight and the dyes of the general formulae (II) or (III) or (IV) in amounts of 10% to 90% by weight.

23 . The process for preparing a dye mixture as claimed in claim 11 which comprises mechanically mixing the individual dyes of the general formulae (I) and (II), (III) or (IV) together.

24 . A process for dyeing or printing hydroxyl- and/or carboxamido-containing material which comprises contacting the material with the dye mixture as claimed in claim 11 .

25 . An aqueous ink for digital printing comprising the dye mixture as claimed in claim 11 .