Use of pyridine dyes in the textile sector, dye mixtures with pyridine dyes, and triazolopyridine dyes having a thienyl radical

Claim 3

A method as claimed in claim 1, wherefor R 3 is cyano.

Claim 4

A method as claimed in claim 1, wherefor R 2 is derived from a component of the benzene, indole, quinoline, naphthalene, pyrrole, thiazole, benzimidazole, benzothiazole, thiophene or diaminopyridine series.

Claim 5

Dye mixtures comprising (a) one or more pyridine dyes of the formula Ia or Ib ##STR35## where R 1 is C 1 -C 20 -alkyl, which may be substituted and may be interrupted by one or more oxygen atoms in ether function, substituted or unsubstituted phenyl, or hydroxyl, R 2 is a 5- or 6-membered carbocyclic or heterocyclic radical which may be substituted and may be benzofused, R 3 is cyano, carbamoyl, carboxyl or C 1 -C 4 -alkoxycarbonyl, R 4 is oxygen or a radical of the formula C(CN) 2 , C(CN)COOL 1 or C(COOL 1 ) 2 , where L 1 is in either case C 1 -C 8 -alkyl, which may be interrupted by 1 or 2 oxygen atoms in ether function, R 5 is hydrogen or C 1 -C 4 -alkyl, R 6 is C 1 -C 20 -alkyl, which may be substituted and may be interrupted by one or more oxygen atoms in ether function, substituted or unsubstituted phenyl, hydroxyl or a radical of the formula NL 2 L 3 , where L 2 and L 3 are identical or different and each is independently of the other hydrogen, substituted or unsubstituted C 1 -C 12 -alkyl, C 5 -C 7 -cycloalkyl, substituted or unsubstituted phenyl, substituted or unsubstituted pyridyl substituted or unsubstituted C 1 -C 12 -alkanoyl, C 1 -C 12 -alkoxycarbonyl, substituted or unsubstituted C 1 -C 12 -alkylsulfonyl, C 5 -C 7 -cycloalkyl sulfonyl, substituted or unsubstituted phenylsulfonyl, substituted or unsubstituted propylsulfonyl, substituted or unsubstituted benzoyl, pyridylcarbonyl or thienylcarbonyl, or L 2 and L 3 are together with the nitrogen atom bonding them together unsubstituted or C 1 -C 4 -alkyl-substituted succinimido, unsubstituted or C 1 -C 4 -alkyl-substituted phthalimido or a five- or six-membered saturated heterocyclic radical which may contain further hetero atoms, and X is nitrogen or else--when R 4 is a radical of the formula C(CN) 2 , C(CN)COOL 1 or C(COOL 1 ) 2 --CH, and (b) one or more blue disperse dyes of the class of the (b1) azo or (b2) anthraquinone dyes whose color locus is under CIELAB (in accordance with ISO 7724-3-1984) within the following domain: hue: 240-280 and chroma:>35, in the weight proportions of 20 to 80% of pyridine dye (a) and 20 to 80% of the azo dye (b1) or 5 to 60% of pyridine dye (a) and 40 to 95% of blue anthraquinone dye (b2), provided that dye mixtures consisting of a pyridine dye of the formula Ia and an anthraquinone dye of the formula ##STR36## and dye mixtures consisting of the dyes of the formulae ##STR37## shall be excluded.

Claim 6

Dye mixtures comprising (a) one or more pyridine dyes of the formula Ia or Ib ##STR35## where R 1 is C 1 -C 20 -alkyl, which may be substituted and may be interrupted by one or more oxygen atoms in ether function, substituted or unsubstituted phenyl, or hydroxyl, R 2 is a 5- or 6-membered carbocyclic or heterocyclic radical which may be substituted and may be benzofused, R 3 is cyano, carbamoyl, carboxyl or C 1 -C 4 -alkoxycarbonyl, R 4 is oxygen or a radical of the formula C(CN) 2 , C(CN)COOL 1 or C(COOL 1 ) 2 , where L 1 is in either case C 1 -C 8 -alkyl, which may be interrupted by 1 or 2 oxygen atoms in ether function, R 5 is hydrogen or C 1 -C 4 -alkyl, R 6 is C 1 -C 20 -alkyl, which may be substituted and may be interrupted by one or more oxygen atoms in ether function, substituted or unsubstituted phenyl, hydroxyl or a radical of the formula NL 2 L 3 , where L 2 and L 3 are identical or different and each is independently of the other hydrogen, substituted or unsubstituted C 1 -C 12 -alkyl, C 5 -C 7 -cycloalkyl, substituted or unsubstituted phenyl, substituted or unsubstituted pyridyl substituted or unsubstituted C 1 -C 12 -alkanoyl, C 1 -C 12 -alkoxycarbonyl, substituted or unsubstituted C 1 -C 12 -alkylsulfonyl, C 5 -C 7 -cycloalkyl sulfonyl, substituted or unsubstituted phenylsulfonyl, substituted or unsubstituted propylsulfonyl, substituted or unsubstituted benzoyl, pyridylcarbonyl or thienylcarbonyl, or L 2 and L 3 are together with the nitrogen atom bonding them together unsubstituted or C 1 -C 4 -alkyl-substituted succinimido, unsubstituted or C 1 -C 4 -alkyl-substituted phthalimido or a five- or six-membered saturated heterocyclic radical which may contain further hetero atoms, and X is nitrogen or else--when R 4 is a radical of the formula C(CN) 2 , C(CN)COOL 1 or C(COOL 1 ) 2 --CH, and (b) one or more blue disperse dyes of the class of the (b1) azo or (b2) anthraquinone dyes whose color locus is under CIELAB (in accordance with ISO 7724-3-1984) within the following domain: hue: 240-280 and chroma:>35, in the weight proportions of 20 to 80% of pyridine dye (a) and 20 to 80% of the azo dye (b1) or 5 to 60% of pyridine dye (a) and 40 to 95% of blue anthraquinone dye (b2), provided that dye mixtures consisting of a pyridine dye of the formula Ia and an anthraquinone dye of the formula ##STR36## and dye mixtures consisting of the dyes of the formulae ##STR37## shall be excluded.

Claim 7

Dye mixtures as claimed in claim 4 comprising one or more pyridine dyes of the formula Ia or Ib where R 3 is cyano.

Claim 8

Dye mixtures as claimed in claim 4 comprising one or more pyridine dyes of the formula Ia or Ib where R 2 is derived from a component of the benzene, indole, quinoline, naphthalene, pyrrole, thiazole, benzimidazole, benzothiazole, thiophene or diaminopyridine series.

Claim 9

Dye mixtures as claimed in claim 4 comprising one or more blue disperse dyes of the class of the 1,8-dihydroxy-4,5-diaminoanthraquinones, 1,5-dihydroxy-4,8-diaminoanthraquinones, 1,4-diaminoanthraquinonedicarboximides, 1,4-diaminoanthraquinonedicarboximinoimides, thienylazo dyes, benzisothiazolazo dyes or cyanophenylazo dyes.

Claim 10

A method of dyeing or printing which comprises applying the dye mixtures of claim 4 to synthetic fibers, cellulose esters fibers or blends thereof from a dyeing liquor or paste.

Claim 11

Triazolopyridine dyes of the formula II ##STR38## where R 1 is C 1 -C 20 -alkyl, which may be substituted and may be interrupted by one or more oxygen atoms in ether function, substituted or unsubstituted phenyl, or hydroxyl, R 3 is cyano, carbamoyl, carboxyl or C 1 -C 4 -alkoxycarbonyl, R 11 is cyano, carbamoyl, mono- or di(C 1 -C 8 -alkyl )carbamoyl or substituted or unsubstituted phenyl, R 12 is halogen, hydrogen, C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy, C 1 -C 4 -alkylthio, unsubstituted or C 1 -C 4 -alkyl- or C 1 -C 4 -alkoxy-substituted phenyl or thienyl, and L 4 and L 5 are identical or different and each is independently of the other hydrogen or else, except or hydroxyl, the abovementioned radical R 1 , provided that the dye of the formula ##STR39## shall be excluded.

Claim 12

Triazolopyridine dyes of the formula II ##STR38## where R 1 is C 1 -C 20 -alkyl, which may be substituted and may be interrupted by one or more oxygen atoms in ether function, substituted or unsubstituted phenyl, or hydroxyl, R 3 is cyano, carbamoyl, carboxyl or C 1 -C 4 -alkoxycarbonyl, R 11 is cyano, carbamoyl, mono- or di(C 1 -C 8 -alkyl )carbamoyl or substituted or unsubstituted phenyl, R 12 is halogen, hydrogen, C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy, C 1 -C 4 -alkylthio, unsubstituted or C 1 -C 4 -alkyl- or C 1 -C 4 -alkoxy-substituted phenyl or thienyl, and L 4 and L 5 are identical or different and each is independently of the other hydrogen or else, except or hydroxyl, the abovementioned radical R 1 , provided that the dye of the formula ##STR39## shall be excluded.