| Patents for C09B 29 - Monoazo dyes prepared by diazotising and coupling (4,940) |
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| 05/18/1983 | EP0079303A2 Stabilized covering form of CI pigment yellow 74 |
| 05/11/1983 | EP0078460A1 Metal complex dyestuffs |
| 05/10/1983 | CA1146172A1 Derivatives of 2-hydroxy-naphtalene and use thereof as coupling components in diazotype materials |
| 05/04/1983 | EP0078024A1 Water-soluble pyridone azo compounds, process for their preparation and their use as dyestuffs |
| 05/04/1983 | EP0078009A1 Water-soluble pyridone azo compounds; process for their preparation and their use as dyestuffs |
| 05/04/1983 | EP0078006A2 Mixtures of navy blue disperse dyes |
| 04/26/1983 | US4381339 Photographic recording material and non-diffusing compounds to be used in the material which contains a photographically active group which can be split off |
| 04/26/1983 | US4381262 Water-insoluble azo dyestuffs, their manufacture and their use |
| 04/20/1983 | EP0077066A1 Method of preparing azo dyestuffs by diazotation and coupling |
| 04/20/1983 | EP0077025A1 A method for preparing an azo pigment |
| 04/19/1983 | US4380452 Dyeing and printing of cellulose-containing textile material |
| 04/13/1983 | EP0076633A1 Guest-host type liquid crystal composition |
| 04/12/1983 | US4379819 Oil soluble monoazo dye |
| 04/06/1983 | EP0075808A2 3,6-Dioxo-1,2-dihydro-7H-pyrazolo(3,4-b)pyridine dyes |
| 04/05/1983 | US4379089 Polyaminoalkylenesulfonamidated disazo colorants |
| 04/05/1983 | US4379088 N-Aminoalkylenesulfonamido substituted monoazo colorants |
| 04/05/1983 | US4378970 Red monoazo sulphonic acid dyestuffs for polyamide |
| 03/23/1983 | EP0074670A2 Process for removing impurities from polyalkyleneoxy coloring agents |
| 03/23/1983 | EP0074562A2 Azo dyestuffs |
| 03/23/1983 | EP0074515A1 Azo derivatives of barbituric acid, their solid solutions, insertion compounds and intercalation compounds |
| 03/22/1983 | US4377518 Azo dyestuffs derived from polycyclo-hetercyclic coupler components |
| 03/22/1983 | US4377390 Acetoacetic arylide azo dyestuffs for synthetic materials, especially polyester |
| 03/16/1983 | EP0074117A2 Process for producing azo pigments |
| 03/16/1983 | EP0074048A2 Dyestuffs with isoquinoline coupling components |
| 03/16/1983 | EP0073972A1 Lake of an azo dyestuff containing sulphonic acid groups |
| 03/16/1983 | EP0073959A1 Acid monoazo-dyestuffs, their use for dyeing polyamides |
| 03/16/1983 | EP0073958A1 Acid monoazodyestuffs and their use for dyeing polyamide fibres |
| 03/16/1983 | EP0073876A1 Process for the production of reserve prints on polyester or polyester cellulose blended textiles |
| 03/16/1983 | EP0073875A2 Azo dyestuffs, process for their preparation and their use |
| 03/15/1983 | US4376729 Novel monoazo and disazo colorants |
| 03/09/1983 | EP0073463A1 Insertion compounds, intercalation compounds and solid solutions of coloured metallic organic derivatives |
| 03/09/1983 | EP0073414A1 Marine-blue disperse dyestuffs, methods for their preparation and their use in dyeing or printing synthetic-fibre materials |
| 03/09/1983 | EP0073382A2 Methods of colouring mineral-oil products, waxes, synthetic materials and surface coverings |
| 03/08/1983 | CA1142515A1 Azo dyestuff sulfonic acid salts, process for their manufacture and their use |
| 02/23/1983 | EP0072621A1 Alkyleneoxy compounds, their preparation and their use as fugitive tints |
| 02/23/1983 | EP0072508A2 Pyrazolone derivatives, their preparation and use as coupling components |
| 02/22/1983 | US4374768 Disperse dyes from 5-amino-4-halo-3-methylisothiazoles |
| 02/22/1983 | US4374767 Substituted ether or thioether isothiazole azo dyes |
| 02/22/1983 | US4374640 Dyeing-stable modification of a disperse dyestuff, processes for its preparation and use |
| 02/22/1983 | CA1141755A1 Production of pigments |
| 02/16/1983 | EP0072019A1 Transfer printing sheet, process for its preparation and its use |
| 02/09/1983 | EP0070972A1 Ureylenebis (hydroxynaphthalenesulfonic acids) |
| 02/01/1983 | CA1140330A1 Pleochroic dyes suitable for use in solution with liquid crystal materials for electro-optic device applications |
| 01/26/1983 | EP0070481A1 Photographic elements employing nondiffusible pyridylazo(dialkylamino)phenol magenta dye-releasing compounds or precursors thereof |
| 01/25/1983 | US4370431 Process for coloring fibre forming polyamides in the melt with azo pigments |
| 01/25/1983 | US4370269 Monoazo pigment derived from acetoacetylamino benzimidazolone |
| 01/19/1983 | EP0070019A1 Photographic elements employing nondiffusible azoaminophenol magenta dye-releasing compounds or precursors thereof |
| 01/19/1983 | EP0070018A1 Photographic elements employing novel, nondiffusible 2-(2-pyridylazo)-4,5-bis(tertiary amino)phenol black dye-releasing compounds or precursors thereof |
| 01/11/1983 | US4368260 Photographic light sensitive element |
| 01/11/1983 | US4368251 Color diffusion transfer photographic light-sensitive sheet |
| 01/11/1983 | US4368249 Photographic products and processes employing novel nondiffusible pyridylazo(dialkylamino)phenol magenta dye-releasing compounds and precursors thereof |
| 01/11/1983 | US4368248 Photographic products and processes employing novel nondiffusible 2-(2-pyridylazo)-4,5-bis(tertiary amino)phenol black dye-releasing compounds and precursors thereof |
| 01/11/1983 | US4368155 Monoazo compounds derived from meta-amino-benzoic acid anilides and acetoacetylamino-benzimidazolone |
| 01/11/1983 | US4368154 Photographic products and processes employing novel nondiffusible bridged azoaminophenol magenta dye-releasing compounds and precursors thereof |
| 01/11/1983 | US4368153 Photographic products and processes employing novel nondiffusible 2-(2-pyridylazo)-4,5-bis(tertiary amino)phenol black dye-releasing compounds and precursors thereof |
| 01/05/1983 | EP0068186A1 Colour-stable modification of a dispersion dye, its preparation process and its use |
| 01/04/1983 | US4367278 Color photographic light-sensitive material with azopyrazolone image dyes |
| 01/04/1983 | US4367174 Photographic products and processes employing novel nondiffusible pyridylazo(dialkylamino)phenol magenta dye-releasing compounds and precursors thereof |
| 01/04/1983 | US4367173 Azo pigments containing pyrazoloquinazolone radicals |
| 01/04/1983 | US4367172 Disazo dyes containing at least one sulfo group and at least two basic or cationic groups |
| 12/28/1982 | US4366218 Photostability; complexing; metallized dyes |
| 12/21/1982 | CA1137980A1 Azo dyes |
| 12/14/1982 | US4363761 Dyeing cellulose and leather; textiles; papermaking |
| 12/14/1982 | CA1137483A1 8-oxo-5,6,7,8-tetrahydro-2-quinolone and process for the preparation therefor |
| 12/08/1982 | EP0066235A2 Dye preparations, their manufacturing process and their use in dyeing and printing synthetic-fibre material |
| 12/08/1982 | EP0066153A1 4-Isopropyl-4'-nitrobenzophenone and process for preparing it |
| 12/01/1982 | EP0065869A1 Liquid crystalline materials incorporating dichroic dye and optical displays utilizing same |
| 12/01/1982 | EP0065811A1 Disperse azopyrimidine dyestuffs |
| 11/23/1982 | US4360587 Polyhalide, monoazo dye |
| 11/23/1982 | US4360460 Novel azo dyes having a 4-sulfo-5-aminomethyl naphthalene coupling moiety |
| 11/17/1982 | EP0064952A1 Monoazo dyestuffs |
| 11/17/1982 | EP0064651A1 Process for the isolation of H acid and K acid |
| 11/16/1982 | US4359418 Yellow, orange color |
| 11/10/1982 | EP0064221A2 Navy blue dye mixture |
| 11/10/1982 | EP0064208A1 Colour-photographic recording material |
| 11/09/1982 | US4358526 Photographic light-sensitive sheet for the color diffusion transfer process |
| 11/03/1982 | EP0063808A1 Photographic elements containing nondiffusible 6-(2-thienylazo)-3-pyridinol cyan dye-releasing compounds |
| 11/03/1982 | EP0063736A2 Use of dihydroxy pyridines as couplers in oxidation hair dyes, and hair dyeing preparation |
| 11/02/1982 | US4357412 Photographic products and processes employing novel nondiffusible bridged azoaminophenol magenta dye-releasing compounds and precursors thereof |
| 11/02/1982 | US4357411 Photographic products and processes employing novel nondiffusible 2-(2-pyridylazo)-4,5-bis(tertiary amino)phenol black dye-releasing compounds and precursors thereof |
| 11/02/1982 | US4357410 Photographic products and processes employing novel nondiffusible pyridylazo(dialkylamino) phenol magenta dye-releasing compounds and precursors thereof |
| 10/27/1982 | EP0063387A1 Electrophotographic plate |
| 10/27/1982 | EP0063275A1 Mono-azo dyestuff, its preparation and use |
| 10/26/1982 | CA1134353A1 Water soluble triazole dyes |
| 10/19/1982 | US4354970 Indoline coupled isothiazole azo dyes |
| 10/19/1982 | US4354969 Dye mixtures |
| 10/13/1982 | EP0062607A2 Monoazo dyestuffs, their praparation and their use |
| 10/12/1982 | CA1133473A1 Organic compounds |
| 10/06/1982 | EP0061728A1 Monoazo compounds, their preparation and their use |
| 10/06/1982 | EP0061667A1 Dyestuffs and their utilization of colouring coating substances, organic solvents and mineral-oil products |
| 10/05/1982 | CA1132979A1 Substituted sulfonamido, compounds, photosensitive elements, film units, and processes for retaining a photographic image with same |
| 09/29/1982 | EP0061090A1 Electrophotographic recording material |
| 09/14/1982 | US4349348 Process for printing synthetic, hydrophobic fiber material |
| 09/14/1982 | CA1131485A1 Photographic light-sensitive sheet containing an azo dye image providing material |
| 09/08/1982 | EP0059354A1 Colour photographic recording material |
| 09/07/1982 | US4348318 Azo-dyes, their preparation and use |
| 09/01/1982 | EP0059165A1 Method and dyestuffs for dyeing cellulosics and blends thereof without afterwash |
| 09/01/1982 | EP0058866A1 Anthraquinone-azo compounds, their preparation and use |
| 08/31/1982 | US4347180 High caustic coupling process for preparing substituted 2-nitro-2'-hydroxyazobenzenes |
| 08/24/1982 | US4346161 Photographic products and processes employing novel nondiffusible 6-(2-thienylazo)-3-pyridinol cyan dye-releasing compounds and precursors thereof |