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