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| Number | Title | Issue Date |
| 4775747 | Copper or nickel complexes of ligands containing an azomethine, semicarbozone or hydrazone moiety Transition metal complexes of the compounds of the formulae I and II ##STR1## in which A is an isocylic or heterocyclic aromatic radical, R is --H, halogen, C1 -C4 -alkyl or C1 -C4 -alkoxy, R1 is ... | 10/04/1988 |
| 4680385 | Metal dye complexes containing an azo or azomethine dye and a colorless ligand with the C.dbd.N--N.dbd.C group Metal complex dyes that produce level, fast dyeings on textile materials are provided according to the formula ##STR1## wherein: D is a benzene, naphthalene or heterocyclic radical of a diazo component; Y is nitrogen or --CH; K is the radical of a co... | 07/14/1987 |
| 4678851 | Metal dye complexes containing an azo or azomethine dye and a colorless ligand with the C.dbd.N--N.dbd.C group Metal complex dyes that produce level, fast dyeings on textile materials are provided according to the formula ##STR1## wherein: D is a benzene, naphthalene or heterocyclic radical of a diazo component; Y is nitrogen or --CH; K is the radical of a co... | 07/07/1987 |
| 4670486 | Polymer composition pigmented with copper or nickel complexes of ligands containing a semicarbazone moiety High molecular weight organic material is effectively colored by the incorporation therein of a copper or nickel complex of the ligand compound of formula I ##STR1## wherein A is an isocyclic or heterocyclic aromatic moiety, R is H, halogen, low... | 06/02/1987 |
| 4661587 | Bis 1:2 chromium complexes of disazo and azo or azomethine dyes Disclosed are chrome complex dyes of the formula ##STR1## and of the formula ##STR2## wherein Z and Z' independently of one another are each nitrogen or --CH--; X and X' independently of one another are each oxygen, or a group of the formula --N... | 04/28/1987 |
| 4652631 | Bis 1:2 chromium complexes of disazo and azo or azomethine dyes 1:2 chromium complex dyes suitable for dyeing nitrogen-containing materials and materials which contain hydroxyl groups, are disclosed which, in the form of the free acid, have the formula ##STR1## wherein each of the symbols independently has the fo... | 03/24/1987 |
| 4650859 | Chrome azo and/or azomethine dyes containing a benzthiazolylphenyl or stilbenyl radical Chrome azo-azomethine dyes are disclosed which contain a benzthiazolylphenyl or stilbenyl radical bound via an aldehyde group to the aldehyde moiety of the azomethine dyes. The dyes are particularly useful for dyeing wool, polyamide and leather.... | 03/17/1987 |
| 4625017 | Metal complexes of azo dyes containing a 2-(P-N-aceloacetylaminophenyl) benzothiozole moiety Metallizable azo dyes of the formula I ##STR1## wherein A is the radical of a diazo component of the benzene or naphthalene series, which diazo component contains in the o-position with respect to the azo group a metallizable hydroxyl group, R is met... | 11/25/1986 |
| 4617382 | 8-hydroxyquinoline sulfonic acid-azo chromium complexes The present invention relates to novel chromium complex dyes of the formula ##STR1## wherein Z is hydrogen, chloro, bromo, nitro, lower alkyl or acylamino; L is H2 O, ammonia, ethanol or ethanolamine; Y is --O--or --COO--; Y' is --O--, --NH--, --N(l... | 10/14/1986 |
| 4599402 | Metal complex dyes containing azo azomethine groups The novel compounds of the general formula I ##STR1## where A is a radical of a coupling or diazo component which, if necessary after conversion, is capable of complex formation, Ar is an unsubstituted or substituted aromatic or heterocyclic radical,... | 07/08/1986 |
| 4563193 | Asymmetric 1:2 chrome complex dyes containing an azo and an azomethine compound The novel asymmetric 1:2 chrome complex dyes of the formula I given in claim 1 are suitable in particular for dyeing wool or polyamide and especially leather.... | 01/07/1986 |
| 4562139 | Photographic products employing novel nondiffusible metal complexes of azo dyes Photographic elements, diffusion transfer assemblages and coordination complexes are described which employ a novel nondiffusible compound capable of releasing at least one diffusible dye moiety having the formula: ##STR1## wherein: (a) D1 | 12/31/1985 |
| 4560744 | Azo dye 2:1-chromium complexes Compounds which in the form of the free acids correspond to the formula ##STR1## where A is a radical of a diazo component or of an amine, B is a radical of a coupling component or of an aldehyde, R1 is chlorine or bromine, R2 is methoxy ... | 12/24/1985 |
| 4544739 | Fibre-reactive chromium complex Azo-azomethine dyes Chromium complex dyes which, in the form of the free acid, have the formula ##STR1## wherein Z is hydrogen, nitro, chlorine or naphthylazo or phenylazo, wherein naphthyl or phenyl is unsubstituted or substituted by nitro, chlorine, bromine, C1-5... | 10/01/1985 |
| 4507125 | Use of 1:2 chrome complex dyes for dyeing leather and furs The dyes of the formula I given in claim 1 are suitable for dyeing furs and especially leather. They are preferably used in admixture with one or more suitable yellow, blue or red dyes for dyeing leather in dark shades.... | 03/26/1985 |
| 4507124 | 1:2 Metal complexes of azomethine dyes having arylazo groups The dyes of the formula I ##STR1## in which Me is cobalt or chromium, A and A' independently of each other are each the radical of an amine of the benzene series which carries the hydroxyl group in the o-position relative to the azomethine group, ... | 03/26/1985 |
| 4502860 | Bis-1:2-chromium complexes of disazo dyes, and their preparation and use Dyes of the formula I ##STR1## in which A, B, C, D, E, F, Z, Z', X, X', n, n1, n2 and n3, p and Ka.sym. are as defined in claim 1, are particularly suitable for dyeing wool or polyamide and especially leat... | 03/05/1985 |
| 4497734 | Asymmetrical 1:2 chromium complexes derived from azo and azomethine dyes Asymmetrical 1:2 chromium complex dyestuffs which, in the form of the free acid, correspond to the formula ##STR1## wherein X represents CO or a direct bond and m represents 0 or 1 and the rings a, b and c and, if present, fused-on benzene rings can carry... | 02/05/1985 |
| 4493798 | Metal complexes of disazo dyes Metallizable disazo dyes of the formula (1) ##STR1## in which A and A' independently of one another are each the radical of a diazo component of the benzene or naphthalene series, at least one of the groups A or A' carrying a metallizable hydroxyl or... | 01/15/1985 |
| 4489002 | Azo compound and an azomethine compound and having a tertiary N-dative bond Compounds of the general formula I ##STR1## where E is --CH.dbd. or --N.dbd., K is the radical of an amine or of a coupling component of the benzene, naphthalene, pyrazole, pyridine, pyrimidine, quinoline or isoquinoline series, or the radical of a ... | 12/18/1984 |
| 4486196 | Chrome-complex dyes and the production and use thereof for dyeing wool, polyamide Chrome-complex dyes of the formula (I) ##STR1## wherein the phenyl groups A and B independently of one another are each unsubstituted or are mono- or disubstituted by chlorine, methyl, ethyl, methoxy or ethoxy, and wherein Me.sym. is a cat... | 12/04/1984 |
| 4443370 | Chrome-complex dyes Chrome-complex dyes of the formula (I) ##STR1## wherein the phenyl groups A and B independently of one another are each unsubstituted or are mono- or disubstituted by chlorine, methyl, ethyl, methoxy or ethoxy, and wherein Me.sym. is a cat... | 04/17/1984 |
| 4424153 | 1:2 Chromium complex dyes containing sulfonic acid groups 1:2 Chromium complexes of arylazo-azamethines of the general formula ##STR1## where A is a naphthalene or benzene radical which may be monosubstituted or polysubstituted by alkyl, alkoxy or halogen.... | 01/03/1984 |
| 4416815 | Fiber-reactive unsymmetrical 1:2 chromium complex azo dyes Chromium complex dyes which, in the form of the free acid, have the formula ##STR1## wherein Z is hydrogen, nitro, chlorine, or an arylazo group, Q is a nitrogen atom or the CH-- group, A is the radical of a coupling component which couples in the or... | 11/22/1983 |
| 4331596 | Arylazoarylazo-substituted azo, azomethine 1:2 chromium complex dyes 1:2 Chromium complex dyes of the formula ##STR1## wherein A is the radical of a diazo component of the benzene or naphthalene class which carries the complex forming group X in ortho-position to the azo group, B is the radical of a coupling component... | 05/25/1982 |
| 4318849 | Novel metallized dyes, their manufacture and use The present invention relates to copper, nickel, chromium or cobalt complexes of azo or azomethine dyes which contain a group of the formula wherein Z is a bridge member of the formula ##STR1## wherein R1 is hydrogen or a low molecular alkyl gr... | 03/09/1982 |
| 4315854 | Chromium and cobalt complex amino hydroxy azomethine dyes 1:2 Metal complex dyes of azomethines of the formula ##STR1## wherein R is hydrogen, unsubstituted or substituted alkyl, aralkyl, aryl, alkylsulfonyl or arylsulfonyl, A is the radical of an aliphatic 1,2- or 1,3-diamine or of a carbocyclic or heteroc... | 02/16/1982 |
| 4311641 | Chromium complexes of mixed azo compounds The invention relates to chromium complex dyes which, in the form of the free acid, have the formula ##STR1## wherein X is a direct bond or a bridge member, each of Z and Z' independently is a nitrogen atom or a --CH-group, p is 1 or 2, each of Y ... | 01/19/1982 |
| 4264494 | Chromium complex dyestuffs for natural polyamides and synthetic nylons Metal complex compounds which in the form of the free acids correspond to the formula I ##STR1## where A is an aliphatic, carbocyclic or heterocyclic radical, E is an aliphatic or carbocyclic radical, B is a cyano, acyl, substituted sulfonyl, carboxylic a... | 04/28/1981 |
| 4256633 | Chromium complex compounds, process for their manufacture and use thereof Bis-1:2 chromium complex dyes consisting of 2-chromium atoms, 2 molecules of a metallizable azo or azomethine compound and a bisazomethine of the formula ##STR1## wherein X is a direct bond or a bridge member, R1 is hydrogen or a subs... | 03/17/1981 |
| 4248773 | Acetoacetamide diazo dyestuffs Novel compounds which have the formula I ##STR1## in which D is the residue of a diazo component, K is the residue of a coupling component, A is an unsubstituted or substituted 1,3- or 1,4-phenylene radical or an unsubstituted or substituted 1,4-naph... | 02/03/1981 |
| 4219473 | Substituted unsymmetrical azo, azomethine 1:2 chromium complexes 1:2 Chromium complex dyes of the formula ##STR1## wherein A represents the radical of a phenol substituted by alkyl and/or acylamino or of a 2-naphthol optionally substituted by acylamino, one V represents hydrogen and the other hydrogen or nitro, X ... | 08/26/1980 |
| 4212801 | Unsymmetrical 1:2-chromium complexes containing an azo and an azomethine bond 2:1-chromium complex dyes of the formula: ##STR1## in which: A is the radical of a carbocyclic diazo component with a complex-forming hydroxy or carboxy group adjacent to the azo bridge; B is the radical of a carbocyclic, heterocyclic or open-chain coupli... | 07/15/1980 |
| 4145339 | Water-soluble 1:2-cobalt complex dyestuffs of an azomethine and of an azo compound Novel, valuable unsymmetrical 1:2-cobalt complex dyestuffs of an azo compound and an azomethine compound have been found which are well suited for the dyeing of natural and synthetic polyamide fibres, yielding even dyeings of high fastnesses to wet proces... | 03/20/1979 |
| 4116952 | Unsymmetrical azo - azo methine 1:2 chromium complex dyes 1:2 Chromium complex dyes which contain one molecule of an azo or azomethine compound of the formula ##STR1## and one molecule of the azomethine compound of the formula ##STR2## COMPLEXED TO A CHROMIUM ATOM, IN WHICH FORMULAE A represents the ra... | 09/26/1978 |
| 4102879 | Unsymmetrical azomethine 1:2-chromium complex dyes Compounds of which the anion corresponds to the formula ##STR1## where A is the radical of a carbocyclic amine component containing sulfonic acid groups and having a complex-forming hydroxyl group or carboxyl group in the position adjacent to the azo... | 07/25/1978 |
| 4086223 | Asymmetrical 1:2-chromium complex azo dyestuffs Asymmetrical 1:2-chromium complex dyestuffs having excellent fastness to light, rubbing, washing, alkali, milling sea water, decatizing and perspiration and having the formula ##STR1## WHEREIN A1 represents o-phenylene unsubstituted or sub... | 04/25/1978 |
| 4052374 | Unsymmetrical 1:2-chromium complexes containing an azo compound and an azomethine compound Compounds of the formula: ##STR1## WHICH ARE EMINENTLY SUITABLE FOR DYEING NATURAL AND SYNTHETIC POLYAMIDES AND FOR COLORING SURFACE COATINGS. Dyeings on textile material are distinguished by very good lightfastness and very good fastness to wet ... | 10/04/1977 |
| 4033942 | Chromium complex dye, including azo and azo methine dye compounds 1:2 Chromium complex dyes of an azo compound of the formula ##STR1## and an azomethine compound of the formula ##STR2## COMPLEXED TO A CHROMIUM ATOM, WHEREIN A is an ortho-phenylene or -- naphthylene diazo component radical; B is an ortho-phenyl... | 07/05/1977 |
| 4005067 | Process for the synthesis of nitrite ion-containing 1:1 complexes of cobalt and metallizable monoazo or azomethine compounds and such complexes By metallization of metallizable monoazo or azomethine dyes with cobalt-donating compounds in the presence of a nitrite, especially NaNO2, 1:1 cobalt complexes containing a nitrite ion are obtained in a high degree of metallization which can be... | 01/25/1977 |
