Patents for C09B 29 - Monoazo dyes prepared by diazotising and coupling (4,940)
11/1981
11/24/1981US4302389 Azo compounds deriving from amino benzoic acid anilides and acetoacetylamino-benzimidazolone
11/24/1981US4302388 Monoazo compounds deriving from meta-amino-benzoic acid anilides and acetoacetyl amino-benzimidazolone
11/24/1981US4302387 Azo dyes from 1,3,4-thiadiazol-2-yl and 1,2,4-thiadiazol-5-yl moieties bearing sulfated hydroxyalkoxycarbonyl or N-(hydroxyalkyl)carbamoyl groups on their rings
11/18/1981EP0040172A2 Azo dyestuffs, methods for their preparation and their use as colouring agents in photographic materials in the silver dyestuff bleaching process, and the said photographic materials containing these azo dyestuffs
11/18/1981EP0040171A2 Azo dyestuffs, methods for their preparation and their use as colouring agents in the silver dyestuff bleaching process
11/17/1981US4301071 Colorfast dyes for polyamides, wool, cellulose acetates
11/17/1981US4301070 For dyeing wool and polyamides; colorfastness
11/17/1981US4301069 Azo dyes from five membered ring heterocyclic amines and aniline, tetrahydroquinoline and benzomorpholine couplers containing thiosulfate alkyl groups
11/17/1981US4301068 For use on polyamides, wool, cellulose acetates; colorfast
11/17/1981CA1112498A1 Silver halide photographic material containing a non- diffusible, azo dye-providing compound
11/10/1981US4299764 Azo reactive dyestuffs
11/04/1981EP0039312A1 Colour photopgraphic material for the silver-dye bleaching process, process for the production of this material and its use in the production of photographic images
11/04/1981EP0039306A1 Azo dyestuffs, methods for their preparation and their use
11/04/1981EP0039054A1 Water-insoluble azo dyes, process for their production and their application
11/03/1981CA1111844A2 Reactive dyeing system and xylylene diphosphonic acid dyes
11/03/1981CA1111843A1 Aromatic nitro compounds
10/1981
10/28/1981EP0038615A2 Disperse monoazo dyes
10/28/1981EP0038527A1 Transfer printing sheets, process for their preparation and their use
10/28/1981EP0038439A1 Dyestuff mixtures, method for their preparation, the component dyestuffs and their use in dyeing and printing synthetic, hydrophobic fibre material
10/27/1981US4297278 Pentakis-and heptakis-azoxy dyestuffs
10/21/1981EP0037985A1 Photographic material and compounds for use therein, and that release a photographically active moiety
10/20/1981CA1111167A1 Process for the mass colouration of polyesters
10/20/1981CA1111024A1 Water-insoluble azo dyes
10/14/1981EP0037798A1 Azo pigment
10/14/1981EP0037465A2 Amino azo compounds
10/13/1981US4294755 Pigments containing pyrazolo quinazolone radicals
10/06/1981US4293306 Process for the dyeing and printing of hydrophobic synthetic organic fiber materials with water-insoluble azo dyestuffs
09/1981
09/30/1981EP0036838A2 Azo dyestuffs, their preparation and their use
09/30/1981EP0036636A1 A method and intermediates for preparing 3,3'-azo-bis-(6-hydroxy benzoic acid)
09/30/1981EP0036553A1 Method of preparing liquid compositions of basic azo dyestuffs
09/30/1981EP0036545A1 Water insoluble monoazo dyes, their preparation and their use
09/30/1981EP0036512A2 Water-insoluble azo dyestuffs, their preparation and use
09/29/1981US4292239 Benzisothiazole azo dyestuffs containing polyether groups
09/29/1981CA1109863A1 Azo dyes
09/23/1981EP0036116A2 Method of preparing azo dyestuffs
09/23/1981EP0036100A1 Nickel complex dyestuffs
09/23/1981EP0036081A1 Azo dyestuffs as well as their preparation and their use in dyeing synthetic fibres
09/22/1981US4290964 Undescanoic acids and esters thereof
09/22/1981CA1109463A1 Dispersion azoic dyes
09/16/1981EP0035957A2 Process for the preparation of hemiesters of sulfuric acid
09/16/1981EP0035685A2 Photographic recording material for diffusion processes, and non-diffusing sulfilimine compounds suited therefor
09/16/1981EP0035671A1 Water-insoluble azo dyestuffs, methods for their preparation and their use in dyeing and printing synthetic hydrophobic fibre materials
09/15/1981US4289694 Reuse of copper-containing catalyst
09/15/1981US4289693 Textiles
09/15/1981CA1109063A1 Azo dyes, processes for producing them, and their use
09/15/1981CA1109062A1 Water-soluble monoazo dyestuffs
09/09/1981EP0035172A2 Process for dyeing the fleeces of skins
09/09/1981EP0035116A2 Azo dyestuffs and dyestuff mixtures and their use in dyeing polyesters
09/08/1981US4288363 Novel azo dyes having 2-amino-5-aminomethyl-7-sulfo naphthalene coupling moiety
09/08/1981US4288362 Monoazo pigments containing a quinazo linonylacetoacetanilide coupling component
09/08/1981CA1108606A1 Monoazo dyes, processes for producing them, and the use thereof
09/08/1981CA1108605A1 Monoazo pigments and process for their production
09/02/1981EP0034836A1 Process for preparing nitroazo benzenes
09/02/1981EP0034725A2 Dyestuffs containing imidazolylethylene groups and their use
09/02/1981EP0034716A1 Navy blue dyestuff mixtures and their use in dyeing polyesters
09/02/1981EP0034715A1 Navy blue dyestuff mixtures and their use in dyeing polyesters
09/01/1981US4287122 Monoazo compounds from 1-aminobenzene-2-carboxylic acid derivatives and their use as colorants
08/1981
08/26/1981EP0034271A2 Dyestuff mixtures and their use in dyeing polyesters
08/26/1981EP0034174A1 Hydrogel implant article and method.
08/25/1981US4285861 Sulfonated naptho[1,2]triazole azo barbituric acid derivatives
08/25/1981US4285859 Azo compounds useful in a photographic dye diffusion transfer process
08/25/1981US4285693 Using 3-//4-aminosulfonylphenyl/-azo/-2-hydroxy-5-cyanopyrid-6-one derivatives; high solubility; printing
08/18/1981CA1107274A1 Monoazo pigments and process for their production
08/12/1981EP0033443A1 Azo dyestuffs, their preparation and use in dyeing synthetic fibres
08/11/1981US4283332 Azo dyes containing fluorinated carboxylic or sulphonic ester groups on the diazo moiety
08/11/1981US4283331 Azo dyes, their preparation and use
08/11/1981US4283196 Fixing by action of an alkaline agent
08/05/1981EP0033297A1 Stable disperse dyestuff and its use for the dyeing of synthetic and half-synthetic fibres
08/05/1981EP0033296A1 Stable disperse dyestuff and its use for the dyeing of synthetic or half-synthetic fibres
08/04/1981US4282144 Azo dyes derived from 5-membered heterocyclic amines and aromatic amine couplers containing sulfo groups, or salts thereof
08/04/1981CA1106363A1 Compounds which release cyan dyes or dye forming materials
07/1981
07/29/1981EP0032625A2 Water-soluble monoazo dyes
07/21/1981CA1105451A1 Monoazoic hydrosoluble cationic dyes
07/21/1981CA1105203A1 Heat transfer ink, sheet, process and printed fabric
07/15/1981EP0032109A1 Colour-fast dispersion dyestuff and its use in dyeing and printing synthetic or semi-synthetic fibrous materials
07/14/1981US4278599 Mono azo dyes from (2-alkoxy-5-alkanoylaminoanilino)alkoxy or aryloxy alkanes
07/14/1981US4278589 2-[2-Hydroxy-3,5-di-(α,α-dimethylbenzyl)phenyl]-2H-benzotriazole and stabilized compositions
07/14/1981CA1104759A1 Process for the dyeing or printing of polyester fibers
07/14/1981CA1104757A1 Mixtures of azo compounds, process for their preparation and their use
07/08/1981EP0031798A2 Monoazo pigments and processes for their preparation
07/08/1981EP0031572A2 Soluble dyestuffs and their use in colouring mineral-oil products, fats and waxes
07/08/1981EP0031505A1 Monoazo dyestuffs of the amino-pyridine series, their preparation and use in dyeing thermoplastic synthetics in the mass, as well as dyestuff compositions
07/08/1981EP0031478A1 Colour-fast monoazo dyestuff, its preparation and use
07/07/1981US4277606 8-Oxo-5,6,7,8-tetrahydro-2-quinolone and process for the preparation thereof
07/07/1981US4277559 Novel magenta-forming color couplers and their use in photography
07/07/1981US4277397 Monoazo compounds deriving from 5-amino-benzimidazole-2-one-6-carboxylic acid
07/07/1981US4277396 Thiazolediazacyanine dyestuffs
07/07/1981CA1104564A1 Azo dyes, azo dye-releasing compounds and photographic products and processes employing them
07/07/1981CA1104307A1 Process for the dyeing or printing of polyester fibers
06/1981
06/30/1981US4276373 Silver halide emulsion, monoazo dye
06/30/1981US4276045 Dyeing and printing of cellulosic textile material
06/24/1981EP0030695A1 Process for printing synthetic, hydrophobic fibrous material by the transfer printing principle
06/23/1981US4275004 High caustic coupling process for preparing substituted 2-nitro-2'-hydroxyazobenzenes
06/23/1981US4275002 Process for preparing polymeric colorants having a poly(vinylamine) backbone
06/17/1981EP0030337A2 Monoazo dyestuffs, process for their preparation, and their concentrated solutions
06/17/1981EP0030318A2 Monoazo dyestuffs of the benzisothiazolazo aniline series and their use in dyeing synthetic fibres
06/17/1981EP0030314A1 Water-insoluble monoazo dyestuffs, their preparation and use in dyeing and printing synthetic polymeric materials
06/17/1981EP0030291A2 Colour-fast modification of a dispersion azo dyestuff, process for its preparation and its use
06/16/1981US4273926 Azo dyes from 2-amino-5-styryl-1,3,4-thiadiazoles
06/16/1981US4273708 Carbonyl-substituted cyan azo dye-providing materials
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