Patents for C09B 29 - Monoazo dyes prepared by diazotising and coupling (4,940)
04/1980
04/02/1980EP0009299A1 Colour stabilized organic material
04/02/1980EP0009188A1 8-Chloro-5,6,7,8-tetrahydroquinoline-2-one and 8-bromo-5,6,7,8-tetrahydroquinoline-2-one, their hydrochlorides and hydrobromides, and process for their preparation
04/01/1980US4195993 Azo dyes
04/01/1980US4195992 Photographic dye diffusion transfer process
04/01/1980CA1074888A1 Control system for fine-particle pressure gasification plant
03/1980
03/25/1980US4195020 Dichloro-phenyl-azo-acetoacetylamino-benzimidazolone pigments
03/25/1980US4194882 Process for the dyeing or printing of polyester fibers
03/25/1980US4194881 Process for the dyeing or printing of polyester fibers
03/25/1980CA1074303A1 Water-insoluble monoazo dyes, their production and their use for dyeing and printing
03/19/1980EP0008627A2 Quinazoline derivatives, azo dyes derived from the quinazolines and their use as pigments
03/11/1980CA1073451A1 Positive-working immobile photographic compounds and photographic elements containing same
03/11/1980CA1073205A1 Deactivated color-forming inks in image-making systems
03/11/1980CA1073158A1 Pigment compositions containing an organic pigment and a heterocyclic azopigment
03/04/1980US4191686 Process for preparing fiber-reactive phthalocyanine azo dyes
02/1980
02/19/1980US4189429 Anthraquinone, naphthaquinone, monoazo and styryl dyes
02/19/1980US4189428 Dyeability, colorfastness, resistance to sublimation, improved brightness
02/19/1980US4189427 Azo dyestuffs from benzene diazo component fused to an aliphatic ring and containing two cyano substituents ortho to the azo group
02/19/1980CA1072085A1 Monoazo dyes
02/19/1980CA1072084A1 Azo dyestuffs
02/05/1980US4187218 Water-soluble acid azo dye
02/05/1980CA1071220A1 Process for forming a cyan dye image by the use of novel 2-equivalent cyan coupler
02/05/1980CA1071190A1 Basic azo dyes
01/1980
01/29/1980US4186243 Image producing system
01/22/1980US4185013 Anionic azo dyes having a 3-dibenzofuranyl diazo component radical optionally having a 2- or 8-sulfo group
01/09/1980EP0006564A2 2-(3.5-disubstituted-2-hydroxyphenyl)-2H-benzotriazoles and stabilized compositions containing them
01/09/1980EP0006154A1 Monoazo pigments and their use in colouring high molecular-weight organic material
01/08/1980US4182713 Benzotriazoles useful as azo dyestuff intermediates
01/08/1980US4182708 Process for the preparation of azo pigments by diazotizing in a dipolar aprotic organic solvent and azo pigments obtained therefrom
01/01/1980US4181653 Disperse dyes from 2-halo-4,6-dinitroaniline and 2(2'-alkoxy-5'-alkanoylaminoanilino)alkanes
01/01/1980CA1069121A Azo dyes, process for their manufacture and use thereof
12/1979
12/25/1979CA1068719A 3-amino-4-carboalkoxy-benzoic acid 4'-phenoxy-anilides, process for their preparation and their use
12/25/1979CA1068686A Bright greenish yellow dyes for polyester
12/25/1979CA1068685A Azo dyes for synthetic fibers
12/25/1979CA1068684A Azomethine dyes for polypropylene
12/18/1979US4179436 Monoazodyestuffs containing diphenamine and phenoxy components
12/18/1979US4179435 Azo dyestuffs having a carboxyl group and a substituted sulfonylimino group in the coupling component
12/11/1979CA1067897A1 Metal complex dyes, process for their manufacture and their use
11/1979
11/28/1979EP0005449A1 Water-soluble monoazo-dyestuffs, their preparation, concentrated aqueous solutions containing the monoazo-dyestuffs, the preparation of the solutions, the use of the dyestuffs and of the concentrated solutions and the materials dyed and printed therewith
11/20/1979CA1066460A1 Mixture of water-insoluble monoazo dyestuffs for colouring textile materials consisting at least partly of linear, aromatic polyesters
11/14/1979EP0005222A2 Salts of sulphonated azo dyes and their use
11/13/1979CA1066272A1 Azo dyestuffs
11/06/1979US4173478 Form insoluble silver salts, redox systems, photothermography
10/1979
10/30/1979CA1065309A1 Azo dyestuffs
10/23/1979CA1064917A1 Stable monoazo dyestuff
10/23/1979CA1064914A1 Monoazo and disazo colorants
10/17/1979EP0004574A1 2-Hydroxy-3-naphthalene carboxamides and their use as coupling agents in diazotype materials
10/16/1979US4171301 Monoazo pigments containing barbituric acid derivatives
10/02/1979CA1063602A1 Disperse dyes
10/02/1979CA1063601A1 Dyes from trifluoromethyl-2-aminobenzothiazole diazo components
10/02/1979CA1063598A1 Process for the preparation of water-soluble azo dyestuffs
09/1979
09/25/1979US4168952 Process for dyeing human hair with diazo salts and coupling components
09/19/1979EP0004247A1 Process for producing aryldiazonium salts from nitrogenous gases rich in nitrogen oxide, aqueous solutions of these salts and their use for the preparation of aminoazoaromatic compounds
09/11/1979US4167509 Water soluble cationic azo dyestuffs
09/11/1979US4167394 Uniformly dyed water-swellable cellulosic fibers
09/11/1979CA1062251A1 Disperse monoazo dyestuffs
09/05/1979EP0003767A1 N-Acylaminohydroxynaphthalenesulfonic acid salts, process for their preparation and their use as coupling components in the preparation of azo dyes.
09/04/1979US4166866 Immunosuppressive method with dithiocarbamates
08/1979
08/28/1979US4165987 Photographic products and processes employing novel nondiffusible pyridylazopyrazole or pyrimidylazopyrazole dye-releasing compounds
08/28/1979US4165967 Process for dyeing human hair with diazo salts and coupling components
08/22/1979EP0003581A2 Photographic colour diffusion transfer process
08/21/1979US4165297 Catalyst complex for the preparation of cyano-azo dyestuffs
08/21/1979US4165238 Diffusion transfer, ballasted, metallized
08/14/1979CA1060437A1 Monoazo dyes particularly suited to the levelled dyeing of synthetic polyamide fibres
08/08/1979EP0003376A1 Photographic material suited for the production of multicolour images by means of diffusion transfer of complexed silver halide
08/07/1979CA1060000A1 Azo pigments
08/07/1979CA1059999A1 Azo pigments and process for their manufacture
07/1979
07/31/1979US4163013 Diphenylamine-azo-hydrocarbylsulfonylphenyl dyestuffs
07/31/1979US4162893 Process for dyeing human hair with diazo salts
07/24/1979US4162249 For polyamide textiles
07/24/1979CA1059120A1 Process for preparing thiazolazo compounds
07/24/1979CA1058941A1 Color corrected photographic elements
07/17/1979CA1058355A1 Disperse dyestuffs mixtures
07/11/1979EP0002747A1 New crystal modification of 5-(2'-hydroxy-3-naphthoyl-amino)-benzimidazolone-(2), processes for its preparation and its use
07/10/1979US4160764 Water-insoluble monoazo-dyestuffs for synthetic fibrous materials
07/10/1979CA1058167A1 Leather dyes, their manufacture and use
07/03/1979CA1057744A2 Positive-working immobile photographic compounds and photographic elements containing same
06/1979
06/26/1979US4159265 Phenylazopyrazolo dyestuffs including disulfimide substituent
06/19/1979US4158542 Acyldihydroxybenzene azo dyes for metallized polyolefins
06/12/1979US4157893 Mono or disazo dye containing an amino-substituted pyrimidine ring
06/12/1979CA1056374A1 Photographic materials and compounds useful therein
05/1979
05/30/1979EP0002104A1 Pleochroic dyes suitable for use in solution with liquid crystal materials for electro-optic device applications
05/29/1979US4156609 For diffusion transfer processes, ballasts
05/29/1979US4156608 Nondiffusing, masking
05/29/1979CA1055486A2 Dye compounds
05/22/1979US4156086 Intermediates for azo dyes
05/22/1979CA1055021A1 Azo compounds, process for their preparation and their use
05/15/1979US4154577 Uniformly disperse dyed water-swellable cellulosic fibers
05/08/1979US4153607 Process for the production of 4,5-disubstituted thiazoles
05/08/1979US4153599 Monoazo-dyes particularly suited to the levelled dyeing of synthetic polyamide fibers
05/08/1979US4153598 Monoazo and diazo colorants from aminoalkylanilines and bis(aminoalkyl)anilines
05/08/1979US4153343 Phenylazobenzothiazoles, phenylazobenzimidazoles, phenylazobenzoxazoles
05/08/1979US4153065 Azo derivatives of pyridine n-oxide for use in hair dye compositions
05/08/1979CA1054148A2 Hair dyeing compositions
05/02/1979EP0001731A1 Azo-pyrazolium-dyestuffs, their preparation, their use and fibres dyed therewith
05/01/1979US4152114 Polyesters
04/1979
04/24/1979US4150943 Uniformly dyed water-swellable cellulosic fibers
04/17/1979US4150019 Colorfast, heat resistant, migration
04/17/1979US4149892 Color diffusion transfer photographic elements
04/17/1979CA1052778A1 Golden-yellow novel water-soluble monoazo compounds, and their use as dyestuffs
04/10/1979US4149005 Oxidation of corresponding pyrazoline, copper-containing catalyst
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