Patent ID: 6537332
Filing Date: 2003-03-25
Classification: C09B,Y10S

Abstract:
A dye mixture comprising at least one dye of formula whereinR1 and R2 are each independently of the other hydrogen or C1-C4alkyl, and D1 and D2 are each independently of the other a radical of formula (2) â€ƒwherein (R3)0-3 denotes from 0 to 3 identical or different substituents selected from the group consisting of halogen, C1-C4alkyl, C1-C4alkoxy, carboxy, nitro and sulfo, and X1 is a radical of formula (3a), (3b), (3c), (3d), (3e) or (3f) â€ƒâ€”SO2â€”Zâ€ƒâ€ƒ(3a),â€”NHâ€”COâ€”(CH2)mâ€”SO2â€”Zâ€ƒâ€ƒ(3b), â€”CONHâ€”(CH2)nâ€”SO2â€”Zâ€ƒâ€ƒ(3c), â€”NHâ€”COâ€”CH(Hal)-CH2-Halâ€ƒâ€ƒ(3d), â€”NHâ€”COâ€”C(Hal)=CH2â€ƒâ€ƒ(3e) or â€ƒwherein Y is halogen, T independently thereof has a meaning given for Y or is a non-fibre-reactive substituent or is a fibre-reactive radical of formula (4a), (4b), (4c), (4d) or (4e) â€”NHâ€”(CH2)2-3â€”SO2â€”Zâ€ƒâ€ƒ(4a), â€”NHâ€”(CH2)2-3â€”Oâ€”(CH2)2-3â€”SO2â€”Zâ€ƒâ€ƒ(4b), â€ƒwherein Z is vinyl or a radical â€”CH2â€”CH2â€”U and U is a group removable under alkaline conditions, Zâ€² is a group â€”CH(Hal)-CH2-Hal or â€”C(Hal)=CH2, m and n are each independently of the other the number 2, 3 or 4, and Hal is halogen, together with at least one dye of formula (8) whereinr and s are each independently of the other the number 0 or 1, and X2 and X3 are each independently of the other a radical of formula (3a), (3b), (3c) or (3d) as given above.