| Patents for C09B 45 - Complex metal compounds of azo dyes (1,560) |
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| 06/20/1989 | US4841034 Color- and washfast on cotton or blends |
| 06/07/1989 | EP0319474A1 Process for the preparation of 1:2 metal complex azo dyes |
| 05/18/1989 | WO1989004501A1 Dye-containing polarizing film |
| 05/17/1989 | EP0316278A2 Polyazo dyes |
| 04/25/1989 | US4824485 Recording liquid |
| 04/11/1989 | US4820808 Direct dyes for cotton, cellulose; oxygen and chemical resistance; colorfast, wetfastness |
| 04/11/1989 | US4820309 1:2-chromium complex dyes for tanned leather |
| 03/30/1989 | DE3829265A1 Method of reducing the content of ionogenic heavy metals during the preparation of metal complex dyes |
| 03/15/1989 | EP0307357A2 Process for the preparation of azo dyes capable of being metallized |
| 03/08/1989 | EP0306436A2 Process to decrease the amount of ionogeneous heavy metals in the preparation of metal complex dyes |
| 02/14/1989 | US4804386 Colorfast brown dye |
| 02/01/1989 | EP0301350A2 Disazo dyes |
| 01/31/1989 | US4801695 Iron complexes of azo dyes obtained from naphthylsulfonic acid, resorcinol and nitroaminophenol |
| 01/31/1989 | CA1249472A1 Photographic products employing novel nondiffusible metal complexes of azo dyes |
| 01/24/1989 | US4799960 Ink comprising water soluble triazine dye free from cellulose reactive groups |
| 01/24/1989 | US4799933 Colorfast mixture of a yellow and red dye and a gray; chromium-metallized azo or azo-methine dyes |
| 01/24/1989 | CA1249266A1 Organic compounds |
| 01/24/1989 | CA1249265A1 Metal complexes and use thereof |
| 01/03/1989 | CA1247916A1 Method of forming a photographic image dye |
| 12/13/1988 | US4790879 Water-soluble triazane dyestuffs free from cellulose reactive groups and suitable for use in inks |
| 11/09/1988 | EP0156768B1 Process for the preparation of 1:2 chromium complex dyes |
| 10/25/1988 | US4780532 Ink jet printing |
| 10/25/1988 | US4780106 Colorfastness, waterfastness |
| 10/11/1988 | US4777247 Heavy metal-containing monoazo dyes |
| 10/06/1988 | DE3710077A1 Copper complex dyes |
| 10/04/1988 | US4775747 Copper or nickel complexes of ligands containing an azomethine, semicarbozone or hydrazone moiety |
| 09/20/1988 | US4772687 Metal complex dyestuffs useful as solvent, direct, pigment or fiber-reactive dyes |
| 09/20/1988 | US4772323 Improved storage and ejection stability |
| 09/15/1988 | DE3805746A1 1:2 chromium complex dyes |
| 08/31/1988 | EP0280182A2 Complex chromium dye |
| 08/17/1988 | EP0278910A2 Heavy metal complex dyestuffs, their preparation and their use |
| 08/16/1988 | US4764175 Metal-free monoazo and disazo compounds having a 1-hydroxy-5,6-, 7- or 8- substituted 1,3,5-triazinylamino-3- or 4 sulfonic acid coupling component radical and 1:1 copper complexes |
| 07/19/1988 | US4758658 Water-soluble formazan dye |
| 06/29/1988 | EP0272532A2 Dyestuffs |
| 05/18/1988 | EP0267385A2 Asymmetric 1:2-chromium complex dyestuffs |
| 05/03/1988 | US4742160 Sulfo group-containing basic azo compounds having a central 1,3,5-triazine ring and two terminal 1-hydroxynaphthyl-2 groups and 1:1 and 1:2 metal complexes therof |
| 04/20/1988 | EP0157733B1 Method for the preparation of 1:2-chromium complex azo-dyestuffs |
| 03/23/1988 | EP0260562A2 Asymmetric 1:2 chromium complex dyestuffs |
| 03/23/1988 | EP0260557A2 Asymmetric 1:2 metal complex dyestufs |
| 02/10/1988 | EP0255643A2 Metal complex compound useful as a near infrared absorber |
| 12/02/1987 | EP0247729A2 Water-soluble dye |
| 12/01/1987 | US4710198 1:2 chromium or cobalt metal complex dyes and use thereof for dyeing leather |
| 11/25/1987 | EP0246763A2 Water-soluble dye |
| 11/19/1987 | DE3715066A1 Basic azo compounds containing and free from sulpho groups |
| 11/17/1987 | CA1229205A1 Process for dyeing or printing polyamide fibres |
| 11/10/1987 | US4705528 Water-soluble triazine black dyes from cellulose reactive groups and suitable for use in inks |
| 10/22/1987 | DE3711804A1 Metallated diazo compounds, their use as direct dyes, and after-treatment of the dyeings |
| 10/14/1987 | EP0241414A2 Process for the preparation of 1:2 metal complex azo dyes |
| 10/14/1987 | EP0240839A2 Complex metal dyes |
| 08/05/1987 | EP0231147A2 Process for the trichromatic dyeing of leather |
| 07/14/1987 | US4680385 Metal dye complexes containing an azo or azomethine dye and a colorless ligand with the C═N--N═C group |
| 07/07/1987 | US4678851 Fiber-ractive |
| 07/02/1987 | DE3643619A1 Asymmetric 1:2 chromium complex dyes |
| 06/16/1987 | US4673735 Azo compounds having at least one 6-hydroxypyrid-2-one coupling component radical metal complexes thereof and intermediates therefor |
| 06/02/1987 | US4670486 Polymer composition pigmented with copper or nickel complexes of ligands containing a semicarbazone moiety |
| 05/19/1987 | US4667021 Chromium complex compound |
| 05/14/1987 | DE3637044A1 Metal-containing disazo compounds, preparation process, and method of dyeing or printing |
| 05/12/1987 | US4665162 1:1 and 1:2 metal complexes of sulfo group-free azo compound having on average at least 1.3 basic water-solubilizing groups |
| 05/05/1987 | US4663441 Asymmetric 1:2 chrome complex dye of a phenylazosulphonaphtholamine and a naphtholazosulphonaphthol |
| 04/28/1987 | US4661587 For polyamides, polyurethanes, leather |
| 04/22/1987 | EP0219232A2 Water-soluble dye |
| 04/07/1987 | US4656117 Azo and azomethine dye developers |
| 03/24/1987 | US4652631 Bis 1:2 chromium complexes of disazo and azo or azomethine dyes |
| 03/17/1987 | US4650859 Wool,polyamides, leather |
| 03/10/1987 | US4649194 1:2 metal complexes of a disazo compound having a 5-hydroxy-1-(aminophenyl)pyrazole coupling/diazo component radical and disazo compound having a 1-amino-8-hydroxynaphthalene coupling/diazo component |
| 03/04/1987 | EP0212412A2 Polyazo dyes |
| 03/04/1987 | EP0113643B1 1:2-cobalt complexes of disazo dyestuffs |
| 02/17/1987 | CA1218057A1 Compounds and photographic system |
| 01/27/1987 | US4639477 Azo dyes |
| 01/20/1987 | US4638055 Leather, cobalt complexes |
| 12/09/1986 | US4628082 Organic pigments |
| 12/09/1986 | CA1214903A1 Use of 1:2 chrome complex dyes for dyeing leather or furs |
| 11/25/1986 | US4625017 Leather, colorfastness |
| 11/18/1986 | US4623720 1:2 metal complexes of AZO compounds having a central substituted phenylenesulfonylaminophenylene radical |
| 11/18/1986 | US4623606 Iron azo dye complex; exrography |
| 11/18/1986 | US4623358 Azo dye, leveling agent |
| 11/12/1986 | EP0201026A2 Metal complex dyes |
| 11/11/1986 | US4622391 Organic pigments |
| 10/21/1986 | US4618673 Salts of the 1:2 chromium complex of 4-(5'-chloro-2'-hydroxy-3'-sulfophenylazo)-3-methyl-1-phenylpyrazol-5-one and 4-(3', 5'-dichloro-2'-hydroxyphenylazo)-3-methyl-1-phenylpyrazol-5-one |
| 10/14/1986 | US4617382 Printing; dyeing; silk, leather, wool and polyamides |
| 09/10/1986 | EP0193893A1 Disazo dyes |
| 08/20/1986 | EP0191126A1 Azo compounds |
| 07/16/1986 | EP0187340A1 Photographic products employing novel nondiffusible metal complexes of AZO dyes |
| 07/15/1986 | CA1207757A1 Photographic products and processes employing novel nondiffusible yellow dye-releasing compounds and precursors thereof |
| 07/09/1986 | EP0087446B1 Method of forming a photographic dye image |
| 07/08/1986 | US4599402 Metal complex dyes containing azo azomethine groups |
| 07/01/1986 | US4598030 Photographic products employing novel nondiffusible metal complexes of azo dyes |
| 06/10/1986 | US4594410 Azo compounds containing both sulfo groups and basic or cationic groups which compounds are in metal-free or 1:1 metal complex form |
| 06/04/1986 | EP0183651A2 Metal complexes, process for their preparation and their use |
| 05/06/1986 | US4587292 Azo dyes |
| 04/30/1986 | EP0179549A2 Water-soluble dye |
| 04/16/1986 | EP0177978A2 Naphthol amine derivatives |
| 04/15/1986 | US4582896 1:2-metal complex dyes containing one atom of chromium or cobalt and two azo dyes each formed by coupling two diazo compounds to resorcinol |
| 04/09/1986 | EP0177138A2 Water-soluble dye |
| 04/09/1986 | EP0176730A2 Polyazo dyes |
| 03/26/1986 | EP0175324A2 Unsymmetrical 1:2 chromium complex dyes |
| 03/05/1986 | EP0173178A2 Unsymmetrical 1:2 chromium complex dyes |
| 01/22/1986 | EP0169167A2 Process for dyeing high-molecular organic materials, and metal complexes |
| 01/15/1986 | EP0168343A2 Metal complexes, process for their preparation and their use in dyeing high-molecular organic materials |
| 01/07/1986 | US4563520 Metal complexes of dis- or trisazo compounds containing a middle component twice substituted by hydroxy and/or amino |