| Patents for C09B 43 - Preparation of azo dyes from other azo compounds (1,452) |
|---|
| 11/06/1984 | CA1177482A1 Organic compounds |
| 10/24/1984 | EP0122458A1 Azo compounds |
| 10/16/1984 | US4477554 Silver halide emulsion containing quinoid dye-releasing compound |
| 08/22/1984 | EP0116513A2 Water soluble triazine compounds |
| 08/21/1984 | US4466920 Disazo compounds having a further unsubstituted or substituted sulfophenyl diazo component radical and a 4-alkoxy- or arylsulfonyloxy benzene coupling component radical having an acylamina substituent |
| 08/15/1984 | EP0115818A2 Cationic polyazo-dyestuffs, their stabilized solutions, their preparation and use |
| 08/14/1984 | US4465627 Sulfo group-free disazo, trisazo and tetrakisazo compounds containing at lease one basic or cationic group |
| 07/25/1984 | EP0114043A2 Dye mixtures and their use in the dyeing of paper |
| 05/30/1984 | EP0109701A1 Diffusion transfer material |
| 05/15/1984 | US4448719 Textiles; colorfast |
| 05/08/1984 | US4447357 Fibre-reactive azo dyestuffs containing a halotriazinyl radical and a non-reactive triazinyl radical |
| 05/02/1984 | EP0107067A1 Disazo dyestuffs |
| 04/10/1984 | US4442033 Azo dyestuff for use as a chromogen in detecting leukocytes |
| 04/03/1984 | CA1164861A1 Method and intermediates for preparing 3,3'-azo-bis- (6-hydroxy benzoic acid) |
| 03/27/1984 | US4439362 Disperse dyes, polyesters |
| 03/20/1984 | CA1163991A1 Photographic recording material and non-diffusing compounds to be used in the material which contains a photographically active group which can be split off |
| 02/14/1984 | US4431585 Water-insoluble azo dyestuffs, processes for their manufacture and their use for dyeing and printing synthetic hydrophobic fiber material |
| 02/07/1984 | US4430090 Process for coloring organic solvents, mineral oil products, waxes, plastics and surface coatings with cyano-nitro-amino-azo dyes |
| 01/17/1984 | US4426312 Liquid crystal material containing disazo dyestuffs |
| 01/11/1984 | EP0097838A1 Disazo dyestuffs |
| 01/04/1984 | EP0097289A2 Azo dyestuffs |
| 01/03/1984 | US4424155 3-amino-1,2,4-oxadiazol-5-yl derivatives |
| 12/13/1983 | US4420308 Process for the production of reserve effects on polyester textiles and polyester/cellulose mixed fibre textiles: discharge printing with disperse azo dye with alkyl or alkoxy carbonyl, cyand and hydroxy phenyl group |
| 11/30/1983 | EP0095442A1 Disazo pigments, method for their preparation and their use |
| 11/16/1983 | EP0093935A1 Dye mixtures |
| 11/09/1983 | EP0093346A1 Water-insoluble monoazo dyestuffs, methods for their preparation and their use |
| 11/01/1983 | US4412951 Phenylazonaphthalene fatty acid esters |
| 10/05/1983 | EP0090777A1 Disazo pigments, methods for their preparation and their use |
| 09/27/1983 | US4406661 Process for dyeing and printing synthetic, hydrophobic fibre material with dischargeable azo disperse dye |
| 09/14/1983 | EP0088726A1 Monoazo pigments, methods for their preparation and their use |
| 09/06/1983 | US4402854 Liquid crystals having pleochroic dyes |
| 08/31/1983 | EP0087248A1 Liquid crystal composition containing azo dyes |
| 08/30/1983 | US4401600 Certain 3-phenylhydrazono-2-amino-1,1,3-propene tricarbonitrile |
| 08/23/1983 | US4400321 Reacting a diaminobenzene, monoaminobenzene and sodium nitrite |
| 08/23/1983 | CA1152545A1 Anti-paralleling apparatus for high-voltage gear |
| 08/02/1983 | US4396545 Bis(arylazo)diimides pigments |
| 07/26/1983 | US4395350 Liquid crystal mixtures |
| 07/12/1983 | US4392999 Colorfast brown, red and orange |
| 07/12/1983 | CA1149800A1 Disazo pigments, process for its production and use thereof |
| 07/05/1983 | US4391824 Ureylenebis (hydroxy naphthalenesulfonic acids) |
| 07/05/1983 | US4391639 Disazo dye |
| 06/14/1983 | CA1148073A1 Diagnostic agents for the detection of leukocytes in body fluids |
| 06/07/1983 | US4387050 Polyazo dyestuffs, a process for their preparation and their use for dyeing vegetable fibre materials and leather |
| 06/01/1983 | EP0080153A1 Pleochroic azo dyes, a liquid crystal composition containing the azo dyes and a display device using the liquid crystal composition |
| 05/25/1983 | EP0079859A1 Method of bulk dyeing organic polymers |
| 05/24/1983 | US4384870 Disazo compounds having a sulfo group-containing diazo component radical, a 1,4-phenylene middle component radical having a substituted amino group and a coupling component radical having a free, acylated or etherified hydroxy group |
| 05/24/1983 | CA1146962A1 Undecanoic acids and esters thereof, and processes for their manufacture |
| 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 |
| 04/26/1983 | US4381261 Azo, anthraquinone dyes; acrylic ester polymers; printing/dyeing films |
| 04/26/1983 | CA1145331A1 Anionic dyestuffs |
| 03/23/1983 | EP0074589A2 Triazine dyes, their preparation and their use |
| 03/22/1983 | US4377390 Acetoacetic arylide azo dyestuffs for synthetic materials, especially polyester |
| 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 |
| 03/09/1983 | EP0073382A2 Methods of colouring mineral-oil products, waxes, synthetic materials and surface coverings |
| 02/23/1983 | EP0072508A2 Pyrazolone derivatives, their preparation and use as coupling components |
| 02/22/1983 | US4374769 Water-soluble tris phenyl bisazo dyes for polyamide fibers |
| 02/22/1983 | US4374767 Substituted ether or thioether isothiazole azo dyes |
| 02/09/1983 | EP0070972A1 Ureylenebis (hydroxynaphthalenesulfonic acids) |
| 01/04/1983 | US4367172 Disazo dyes containing at least one sulfo group and at least two basic or cationic groups |
| 12/21/1982 | CA1137980A1 Azo dyes |
| 12/14/1982 | US4363761 Dyeing cellulose and leather; textiles; papermaking |
| 12/14/1982 | US4363743 Liquid crystals having pleochroic dyes |
| 11/24/1982 | EP0065252A2 Stable liquid azo dye preparations |
| 11/23/1982 | US4360460 Novel azo dyes having a 4-sulfo-5-aminomethyl naphthalene coupling moiety |
| 11/23/1982 | CA1136126A1 Shifted photographic dyes and compositions, elements and processes employing them |
| 10/26/1982 | CA1134351A1 Agent for the detection of leukocytes in body fluids |
| 09/07/1982 | US4348319 Reaction of halo-azo dye with copper cyanide in water in presence of phase transfer agent |
| 09/07/1982 | US4348318 Azo-dyes, their preparation and use |
| 08/17/1982 | US4344880 Disazo dyestuffs having an acylamino group and an aromatic-oxy group on different terminal moieties |
| 08/11/1982 | EP0057245A2 Cationic triazine dyestuffs, their preparation and their use |
| 07/20/1982 | US4340389 Process for the preparation of water-soluble dyestuffs with a low salt content |
| 07/20/1982 | US4340385 Stable, concentrated, aqueous compositions containing para-sulfophenyl-azo-substituted 1,4-phenylene-azo-para-2-hydroxypropoxyphenyl dyes |
| 07/14/1982 | EP0055989A2 Liquid crystal with an incorporated pleochroic anthraquinone dyestuff, and process for the preparation of the dyestuff |
| 07/14/1982 | EP0055842A2 Mixtures of dyestuffs and liquid-crystal materials containing these mixtures |
| 07/14/1982 | EP0055838A2 Liquid cristalline material containing disazodyes |
| 06/30/1982 | EP0054616A2 Cationic triazine dyestuffs, their preparation and process of dying |
| 06/29/1982 | US4337195 For dyeing cotton and having good colorfastness |
| 06/24/1982 | WO1982002054A1 Novel yellow azo dyes and dichroic liquid crystal compositions made therefrom |
| 06/08/1982 | CA1125283A1 Process for the industrial preparation of cyano containing azoic dyes |
| 05/26/1982 | EP0052266A2 Monoazo dyestuffs, their preparation and their use |
| 05/19/1982 | EP0051785A1 Use of complex copper dyestuffs for dyeing paper |
| 05/12/1982 | EP0051559A1 Basic and/or cationic azo compounds free from sulfonic-acid groups |
| 05/11/1982 | US4329283 Hydroxypyridone azo dyestuffs |
| 05/05/1982 | EP0051041A1 Basic or cationic sulphonic acid group-containing azo compounds, their synthesis and their use in dyeing substrates containing paper or cotton as well as dyestuff preparations thereof |
| 05/05/1982 | EP0050877A1 Reagents for measuring lipase activity |
| 04/28/1982 | EP0050587A2 Mixture of dyestuffs |
| 04/27/1982 | CA1122595A1 Azo dyes, their preparation and use |
| 04/13/1982 | US4324721 1-(4-Alkylaminonaphthylazo)-4-nitrobenzene disperse dyes |
| 03/17/1982 | EP0047376A2 Mixture of monoazo disperse dyes, process for its preparation and process for dyeing and printing synthetic hydrophobic fibre material by the use of the mixture |
| 03/09/1982 | US4318850 Carboxamide type azomethine pigment |
| 02/17/1982 | EP0045840A1 Method to prepare solutions of cationic polyazo dyestuffs |
| 02/16/1982 | US4315865 Preparing dyes |
| 02/16/1982 | US4315857 Process for the synthesis of azobenzene compounds having a cyano group in one or both of the ortho positions of the diazo component radical |
| 02/10/1982 | EP0045354A1 A method of dyeing and printing hydrophobic fibrous materials, and azo dyestuffs suitable therefor |
| 01/20/1982 | EP0043904A2 Mixtures containing a dyestuff, dyestuffs and their use in liquid crystal mixtures |
| 01/13/1982 | EP0043796A2 Method of preparing disazo dyestuffs |
| 01/13/1982 | EP0043795A2 Monoazo compounds |
| 01/13/1982 | EP0043792A2 Dyeing paper |