Patents for C09B 29 - Monoazo dyes prepared by diazotising and coupling (4,940)
09/1989
09/06/1989EP0330967A2 Process for dyeing synthetic fibrous materials
08/1989
08/22/1989CA1258672A1 Calcium complexing dyes and their use in analytical compositions, elements and methods
08/16/1989EP0328060A1 Intrinsic gettering during the manufacture of a semiconductor device
08/08/1989US4855413 Heterocyclic azo dyes containing cyanothiophene derivatives as diazo components and diaminopyridines as coupling components
08/08/1989US4855412 Diaminopyridine azo dyes having acyloxy radicals substituted on the diaminopyridine
08/08/1989CA1258176A1 Magenta dye-donor element used in thermal dye transfer
08/02/1989EP0326160A2 Silver halide photographic material
07/1989
07/25/1989US4851158 N-alkyl-N-(aminophenylsulfonyl)-aminoalkylphosphonic acids
07/19/1989EP0324409A1 Water insoluble monoazo dyes, their preparation and their use
07/18/1989CA1257585A1 Keratinic fibers tinctorial compositions containing an azoic dye; process for preparing said dye and use of these compositions for dyeing keratinic fibers
07/13/1989WO1989006424A1 Optical head
07/11/1989US4847367 4-higher alkyl-2-nitro-2'-hydroxy-3',5'-di-higher alkyl (or cumyl)-azobenzenes
07/05/1989EP0322823A2 Electrophotographic photoreceptor
06/1989
06/28/1989EP0321778A2 Basic dyes
06/27/1989US4843182 Process for the production of monomer vinyl chloride by cracking of dichloroethane and system suitable to carry out the process
06/27/1989US4843153 Azo dyes containing thienothiophene radicals as radicals of the diazo component
06/27/1989US4843151 Monoazo dyes containing a 4'-methyl-3'-sulfo-5-acylamino-2-azo-1,1'-diphenylsulfone component
06/22/1989DE3839849A1 Monoazo pigments, preparation thereof and use thereof
06/20/1989US4841036 Phenyl acothienylthiazoaniline dis-azo dye for polyester fibers
06/20/1989US4841027 Process for preparing phenyl- and naphthylazo-aminonaphthol sulphonic acids
06/20/1989US4840641 Cationic diazacyanine dyestuffs for dyeing polyacrylonitrile-wool blends
06/15/1989DE3840113A1 Azo dyes and preparation and use thereof
06/15/1989DE3840097A1 Azo dyes and preparation and use thereof
06/15/1989DE3839459A1 Azo disperse dyes
06/14/1989EP0320447A2 Process for the preparation of metallisable azo dyes
06/14/1989EP0320446A2 Process for the preparation of metallizable azo dyes
06/13/1989US4838943 Compounds useful as pigments containing one or more 2,2,6,6-tetraalkylpiperidine groups
06/13/1989US4838893 Oxidation hair dyes comprising substituted dihydroxypyridines as coupling components
06/07/1989EP0319452A2 Monoazo pigments, process to manufacture them and their use
06/07/1989EP0319234A2 Coloring method by use of new yellow dyestuff and coloring transfer material for thermal transfer using this method
06/06/1989US4837309 Improved colorfastness and lightfastness
06/06/1989US4837142 Color light-sensitive material
05/1989
05/30/1989US4835261 Mono- and disazo dyes and intermediates; polymer dyeing
05/24/1989EP0316731A2 Azo dyes from 2-hydrazinothiazole, their use in dyeing and printing fibre materials, and in sublimation transfer printing
05/24/1989EP0198848B1 Anionic monoazo compounds of the benzothiazole series
05/17/1989EP0315899A2 Thien-3-yl azo dyes
05/17/1989EP0315898A2 Isothiazole azo dyes
05/16/1989US4830957 Color light-sensitive material
05/09/1989US4829049 1,3,4-thiadiazole azo dye
05/03/1989EP0314002A2 Pyridone azo dyes and their use
05/03/1989EP0313918A2 Azo dyes
05/03/1989EP0313858A2 Analytical element
05/02/1989US4826505 Monoazo pyridone compounds and application thereof for dyeing of hydrophobic fiber materials
04/1989
04/26/1989EP0312838A2 Basic azodyes, their preparation and their use
04/19/1989EP0312003A2 Process of manufacturing water insolubles azodyes on the fibre
04/19/1989EP0311949A2 Water soluble yellow monoazodyes
04/19/1989EP0311910A2 Navy blue and black mixtures of dyes
04/11/1989US4820809 Colorfast blue dyes for polyesters
04/05/1989EP0310014A2 Chromogene substrate
03/1989
03/15/1989EP0307357A2 Process for the preparation of azo dyes capable of being metallized
03/14/1989US4812141 Polyalkylene oxide substituted chromophore
03/07/1989US4810783 Process for the preparation of azo dyestuffs having an aniline-type coupler by aminolysis of the appropriate ether group-containing compounds
03/07/1989US4810608 Charge generation agents
02/1989
02/28/1989CA1250594A1 Ortho nitroanilines and a process for their production
02/14/1989US4804747 Non-linear optical elements
02/14/1989US4804415 Process for producing azo pigment
02/08/1989EP0302627A2 Thermal transfer printing
02/08/1989EP0302401A1 Pyridone dyes, process for their preparation and their use
02/07/1989US4802889 2-cyano-4,6-dinitrophenyl mono-azo dyes for polyester and cellulose acetate
02/01/1989EP0301752A2 Thermal transfer printing
02/01/1989EP0301134A1 Monoazo dyes, their preparation and their use
01/1989
01/31/1989CA1249473A1 Substituted 4-nitrophenylazo-1-naphthol cyan dyes having improved light stability
01/26/1989DE3723884A1 Isothiazole azo dyes
01/25/1989EP0300390A1 Trifluoromethyl-alkoxy-anilin, process for their preparation and their use in the ice-colour technique
01/18/1989EP0299921A2 Amphiphilic azo dyes for making ultra-thin layers with reversible colour changes
01/18/1989EP0299149A2 Process for working up used lubricants by hydrogenation
01/05/1989DE3720736A1 Method, reagents and equipment for the simple determination of non-enzymatically glycosylated proteins in body fluids
01/04/1989EP0297710A1 Disperse dyes
01/04/1989EP0297448A2 Dyestuff mixtures containing isochinoline derivatives, their use in printing colours and isochinoline derivatives
01/04/1989EP0297397A2 Preparation of diazo and azo compounds
01/03/1989US4795712 Using 1,2-bis/0-aminoaryloxy)ethane-n,n,n*,n*-tetraacetic acid derivative
12/1988
12/14/1988EP0294461A1 Solid particle dispersion filter dyes for photographic compositions.
12/08/1988DE3817565A1 Azo dyes and preparation and use thereof
11/1988
11/30/1988EP0293093A2 Azo Compound
11/23/1988EP0292139A1 Azo compound
11/23/1988EP0291853A2 Thienon compounds
11/23/1988CN87103342A Dispersing nitrided and azo dye from yellow to orange
11/15/1988US4785116 Aminoisothiazole compounds
11/15/1988US4785083 Mixtures of 1-N-C3-7 alkyl-5-(4'-chloro-2'nitrophenylozo)-3-cyano-6-hydroxy-4-methylpyrid-2-one compounds
11/15/1988US4784905 Supported thermofusible ink layer comprising a coloring agent, image gradation control agent and carrier in a fine porous resin; hectography
11/08/1988CA1244408A1 Monoazo compounds
11/01/1988CA1244010A1 Azo dyestuffs
10/1988
10/27/1988DE3812004A1 Azo dyes, their preparation and use
10/26/1988EP0287909A1 Amyloidosis and Alzheimer's disease diagnostic assay and reagents therefor
10/25/1988CA1243669A1 Reactive colorants
10/19/1988EP0286971A2 Cationic diaza cyanine dyes
10/12/1988EP0286402A2 Calcium complexing dyes and their use in analytical compositions, elements and methods
10/11/1988US4777248 Water-soluble non-reactive triazinyl mono-azo dye for ink jet printing
10/11/1988US4777246 1-diazo-2-naphthol-4-sulfonic acid by iron-catalyzed diazotization
10/11/1988US4777124 Photostability
10/11/1988US4776886 Halftone gravure printing inks containing an azo dyestuff
10/06/1988DE3810005A1 Azo dyes, their preparation and use
10/06/1988DE3808617A1 Azo dyes, their preparation and use
10/06/1988DE3709567A1 Pyridonazo dyes
10/04/1988US4775748 Reactive colorants
09/1988
09/27/1988US4774324 Isothiazolylazo dyes
09/27/1988US4773915 Benzisothiazole azo dye for synthetic fibers
09/27/1988US4773914 Anthraquinone, monoazo and disazo dyes, ozone fastness
09/21/1988EP0282852A2 Azo dyes
09/20/1988CA1242190A1 Monoazo dyes, proceses for producing them, and the use thereof
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