Patent ID: 7066993

Claim:
A dye mixture consisting essentially of a dye of the formula (1) and a dye of the formula (2) or (3) in which Y is H, (C 1 -C 6 )-alkyl or (C 1 -C 6 )-alkoxy, R 1 is OM, CH═CH 2 , CH 2 CH 2 OR 2 , CH 2 CH 2 NR 3 R 4 , CH 2 CH 2 SR 5 or CH 2 CH 2 CR 6 R 7 R 8 , R 2 is H, SO 3 M, (C 1 -C 6 )-alkyl, (C 1 -C 6 )-alkyl which is branched or unbranched and is unsubstituted or substituted by one or more radicals selected from the group consisting of OH, NH 2 , COOM and SO 3 M; (C 1 -C 6 )-acyl, (C 6 -C 10 )-aryl, C 6 -C 10 -aryl which is substituted by one or more radicals selected from the group consisting of halogen, OH, NH 2 , COOM and SO 3 M; or 5-10-membered heterocycles having 1 to 4 heteroatoms selected from the group consisting of O, N and S; R 3 and R 4 independently of one another are H, (C 1 -C 6 )-alkyl, (C 1 -C 6 )-alkyl which is unbranched or branched and unsubstituted or substituted by one or more radicals selected from the group consisting of OH, NH 2 , COOM and SO 3 M; (C 1 -C 6 )-acyl, C 6 -C 10 -aryl, C 6 -C 10 -aryl substituted by one or more radicals selected from the group consisting of OH, halogen, NH 2 , COOM and SO 3 M; R 5 is (C 1 -C 6 )-alkyl, (C 1 -C 6 )-alkyl which is unbranched or branched and unsubstituted or substituted by one or more radicals selected from the group consisting of OH, NH 2 , COOM and SO 3 M; (C 1 -C 6 )acyl, C 6 -C 10 -aryl, C 6 -C 10 -aryl substituted by one or more radicals selected from the group consisting of OH, halogen, NH 2 , COOM and SO 3 M; R 6 , R 7 , R 8 independently of one another are hydrogen, (C 1 -C 6 )-alkyl or are (C 1 -C 6 )-alkyl substituted by one or more radicals selected from the group consisting of halogen, OH, NH 2 , COOCH 3 , COOM and SO 3 M; R 9 is H, (C 1 -C 6 )-alkyl, a (C 1 -C 6 )-alkyl which is unbranched or branched and is substituted by one or more radicals selected from the group consisting of OH, NH 2 , COOM and SO 3 M; (C 1 -C 6 )-acyl, C 6 -C 10 -aryl, a C 6 -C 10 -aryl substituted by one or more radicals selected from the group consisting of OH, halogen, NH 2 , COOM and SO 3 M; M1 is Cu, Co, Ni, Fe, Cr or ⅔ Al; and M is hydrogen, a monovalent metal cation, one equivalent of a polyvalent metal cation, or an ammonium ion optionally substituted by (C 1 -C 4 )-alkyl; (C 1 -C 4 )-alkoxy-(C 1 -C 4 )-alkyl, hydroxy-(C 1 -C 4 )-alkyl, benzyl or (C 6 -C 10 )-aryl.