| Patents for C09B 29 - Monoazo dyes prepared by diazotising and coupling (4,940) |
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| 05/24/2000 | EP1002518A1 Composition for oxidative dyeing of keratinous fibres and dyeing process using same |
| 05/24/2000 | EP1002517A1 Composition for oxidative dyeing of keratinous fibres and dyeing process using same |
| 05/20/2000 | CA2289815A1 Oxidation dyeing compound for keratin fibres and dyeing procedure involving this compound |
| 05/20/2000 | CA2289814A1 Oxidation dyeing compound for keratin fibres and dyeing procedure involving this compound |
| 05/18/2000 | DE19852051A1 Farbstoffmischung, Verfahren zu ihrer Herstellung und ihre Verwendung A dye mixture, process for their preparation and their use |
| 05/17/2000 | EP1000983A2 Dye mixture, process for its preparation and its use |
| 05/17/2000 | EP0999823A1 Composition for dyeing keratin fibres and dyeing method using same |
| 05/16/2000 | US6063924 N-(alkenyl or alkynyl)oxycarbonyl substituted chromophore derivatives; soluble organic pigments |
| 05/11/2000 | WO2000026303A1 Solid solutions of monoazo pigments |
| 05/11/2000 | CA2344371A1 Solid solutions of monoazo pigments |
| 05/10/2000 | EP0998261A1 Oxidation dyeing composition for keratinous fibres containing a 3-aminopyridine azo derivative and dyeing method using said composition |
| 05/09/2000 | US6060206 Photo- and heat-sensitive recording layer formed on the substrate, the layer containing a photo-decomposable diazo compound and a coupler |
| 05/03/2000 | EP0876429B1 Monoazo dyes containing a fluorosulphonyl group and use thereof |
| 05/03/2000 | CN1252135A Highly transparent, color-pigmented high molecular weight material |
| 04/27/2000 | WO2000023526A1 Toning agent |
| 04/27/2000 | WO2000023525A1 Azo compounds and process for producing the same |
| 04/27/2000 | CA2314118A1 Toning agent |
| 04/27/2000 | CA2314117A1 Azo compounds and process for producing the same |
| 04/26/2000 | EP0994924A1 Monoazo dyes and inks containg them |
| 04/26/2000 | EP0888405B1 Monoazo dyes containing a fluorosulphonyl group and use therof |
| 04/19/2000 | EP0993490A1 Method for producing fine pigment dispersions |
| 04/19/2000 | EP0993489A1 Pigment dispersions containing c.i. pigment red 222 |
| 04/18/2000 | US6051731 O-or S-substituted tetrahydronaphthalene derivatives having retinoid and/or retinoid antagonist-like biological activity |
| 04/18/2000 | US6051037 Such as cellulose fibers, like cotton, or wool and nylon, bright orange to red shades |
| 04/12/2000 | EP0992545A1 Azo dyes and printing inks containing them |
| 04/12/2000 | EP0991725A1 Pigmentary azo composition, preparation method and use |
| 04/11/2000 | US6048370 Coloring textiles and plastics |
| 04/06/2000 | DE19845640A1 Azofarbstoffe Azo dyes |
| 04/04/2000 | US6046312 Water soluble azo dyes and their synthesis and use |
| 04/04/2000 | US6045593 Acid yellow dye and method for using same |
| 03/29/2000 | EP0989164A1 N,N-Dialkylaniline azo dye solutions |
| 03/29/2000 | CN1248435A Keratin fibre dyeing composition using cation direct dye and thickening polymer |
| 03/22/2000 | CN1248159A Composition for dyeing keration fibres and dyeing method using same |
| 03/16/2000 | WO2000014530A1 Azo dye aqueous solution, preparation method and use |
| 03/16/2000 | CA2342734A1 Azo dye aqueous solution, preparation method and use |
| 03/15/2000 | EP0985929A1 Aqueous solution with azo-dye, its manufacturing method and utilization |
| 03/07/2000 | US6034226 Monoazo dye |
| 02/29/2000 | US6030420 For dyeing or printing natural or synthetic polyamide fibre materials, especially in combination with other dyes and especially from short liquors |
| 02/23/2000 | EP0981132A1 Optical recording medium |
| 02/23/2000 | CN1245516A Method for preparing light-absorbing polymeric compositions |
| 02/08/2000 | US6022957 Disperse dyes |
| 02/03/2000 | WO2000005575A1 Method for detection of protein on polyacrylamide gels using a counter-dye composition and counter-dye composition for the same |
| 01/26/2000 | EP0974075A1 Black-pigmented structured high molecular weight material |
| 01/26/2000 | EP0974074A1 Highly transparent, colour-pigmented high molecular weight material |
| 01/19/2000 | EP0792257A4 Dichroic light polarizers |
| 01/12/2000 | EP0970686A1 Composition for dyeing keratinous fibres containing a cationic direct dye and a thickening polymer |
| 01/12/2000 | EP0760838B1 Dye compositions for polyamides |
| 01/11/2000 | US6013777 Process for the preparation of fluorescent pigments |
| 01/11/2000 | US6013776 Carbamate-containing soluble chromogens exhibiting solid state fluorescence in the uv range |
| 01/09/2000 | CA2277355A1 Keratin fibre dye composition with a cationic direct colorant and a thickening polymer |
| 01/05/2000 | EP0968250A1 Soluble chromophores having improved solubilising groups |
| 01/04/2000 | US6010819 Method for improving light fastness of images, and image forming material |
| 01/04/2000 | US6010567 Black-pigmented structured high molecular weight material |
| 12/29/1999 | WO1999067346A1 Use of amino azoic dyes as markers of oil distillation products |
| 12/29/1999 | CA2335628A1 Use of amino azoic dyes as markers of oil distillation products |
| 12/28/1999 | US6008332 Disperse azo dyes containing a n-methylphthalimide diazo component and an aniline coupling component; dyeing semisynthetic or synthetic hydrophobic fibers, such as polyester textiles; colorfastness, washfastness |
| 12/28/1999 | US6007586 Pigment dyeing and pigment printing process |
| 12/16/1999 | WO1999064521A1 Heat stable laked monoazo pigment compositions |
| 12/15/1999 | CN1238723A Process film, process ink and platemaking method and system using the film |
| 12/14/1999 | US6001168 For pigmenting high molecular mass material, such as for inks, toners, coating materials, color filters and cosmetics, resins, caseins, cellulose ethers, celulose esters, polymers, polyolefins |
| 12/07/1999 | US5998592 Coloring textiles |
| 12/07/1999 | US5997628 Heat stable laked monoazo pigment compositions |
| 11/24/1999 | CN1046756C Process for detecting marked mineral oils and new azo dyes |
| 11/24/1999 | CN1046751C Monoazo reactive dyes |
| 11/17/1999 | EP0754207B1 Dyes for ink jet printing |
| 11/16/1999 | US5986075 Coupling a desalted organic diazonium compound with a coupling compound |
| 11/11/1999 | WO1999057362A1 Disperse dye mixture |
| 11/10/1999 | CN1234418A Disperse dye |
| 10/27/1999 | EP0952190A1 Dispersion dyestuffs |
| 10/26/1999 | USRE36357 Improved brightness of shade |
| 10/26/1999 | US5973127 Water insolubility; coloring synthetic textile fabrics |
| 10/26/1999 | US5973126 Reacting a 2-hydroxynaphthalene-3,6-dicarboxylic acid, an amide, or an ester thereof or derivatives with a diazotized aromatic primary amine; water resistance, chemical resistance and solvent resistance. |
| 10/26/1999 | US5972544 Printing process |
| 10/20/1999 | CN1232551A Light sensitive composition contg. arylhydrazo dye |
| 10/20/1999 | CN1232550A Bottom antireflective coatings contg. arylhydrazo dye |
| 10/20/1999 | CN1232483A Aqueous ink compositions |
| 10/20/1999 | CN1232482A Aqueous ink compositions |
| 10/20/1999 | CN1232481A Aqueous ink compositions |
| 10/13/1999 | EP0948570A1 Method for preparing light-absorbing polymeric compositions |
| 10/12/1999 | US5965717 Useful intermediate for forming bisazomethines, disazoacetoacetanilides, disazopyrazolones, disazobenzimidazolones and disazonaphthols |
| 10/07/1999 | WO1999050357A1 1,3,4-thiadiazolylazo dyes and ink compositions containing the same |
| 09/30/1999 | WO1999048466A1 Oxidation dyeing composition for keratinous fibres containing a 3-aminopyridine azo derivative and dyeing method using said composition |
| 09/30/1999 | CA2288995A1 Oxidation dyeing composition for keratinous fibres containing a 3-aminopyridine azo derivative and dyeing method using said composition |
| 09/29/1999 | EP0944674A1 Acid yellow dye and method for using same |
| 09/21/1999 | US5955615 Couplers |
| 09/21/1999 | CA1340759C Isobenzothiazolone chromogenic thiol indicators and their derivatives |
| 09/15/1999 | EP0941865A1 Process film, process ink, and platemaking method and system using the film |
| 09/14/1999 | US5952475 Cationic thiadiazolediphenylamine dyes for use in inkjet printing and in light-writable data storage media and in dye transfer films |
| 09/08/1999 | EP0940726A1 Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus |
| 09/08/1999 | EP0804510B1 Monoazo pigments |
| 09/02/1999 | WO1999043754A1 Monoazo dyestuffs, a composition and an ink for ink jet printing comprising them |
| 08/24/1999 | US5942604 Dyeing polyester |
| 08/17/1999 | US5939579 Disperse dyes |
| 08/11/1999 | CN1225656A Monoazo dyes substituted by haloalkylacarbamate and sulphonylfluoride group |
| 08/10/1999 | US5935756 Diazonium salt for thermosensitive recording medium |
| 08/10/1999 | US5935274 Textile fiber dyes with good build-up, good fastnesses to light, sublimation and washing |
| 08/04/1999 | EP0932603A1 Method for producing 1,8-diaminonaphthalines and their 2,3-dihydroperimidine derivatives |
| 07/27/1999 | US5929218 Pyridone-based yellow monoazo dye for use in thermal transfer and ink compositions comprising same |
| 07/27/1999 | US5929215 Basic monoazo compounds |
| 07/21/1999 | EP0929843A1 Light sensitive composition containing an arylhydrazo dye |