| Patents for C09B 29 - Monoazo dyes prepared by diazotising and coupling (4,940) |
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| 07/21/1999 | EP0929842A1 Bottom antireflective coatings containing an arylhydrazo dye |
| 07/21/1999 | EP0929616A1 Aqueous ink compositions |
| 07/21/1999 | EP0929615A1 Aqueous ink compositions |
| 07/21/1999 | EP0929614A1 Aqueous ink compositions |
| 07/21/1999 | EP0811041B1 Method of dyeing polyester and polyester-containing textile materials |
| 07/13/1999 | US5922089 Method of dyeing polyester and polyester-containing textile materials |
| 07/08/1999 | DE19831375A1 Azo dyes for dyeing or printing of synthetic materials |
| 07/06/1999 | US5919915 Azo pyrazolone pigments |
| 06/23/1999 | EP0923621A1 Monoazo dyes substituted by haloalkylcarbamate and sulphonylfluoride groups |
| 06/10/1999 | CA2255452A1 Dye mixtures and the use thereof |
| 06/08/1999 | US5910578 Novel azo dyes useful for dyeing or printing synthetic materials |
| 06/08/1999 | US5910577 Quinoxaline-monoazo-acetarylide pigment |
| 06/02/1999 | EP0723574B1 Process for detecting marked mineral oils |
| 05/20/1999 | WO1999024872A1 Compound, composition and use |
| 05/12/1999 | EP0914386A1 Pigment compositions |
| 05/12/1999 | CN1216309A Basic dyestuff composition and dyeing method using the same |
| 05/06/1999 | EP0634457B1 Azo dyes for color filter and process for producing color filter |
| 04/29/1999 | WO1999020235A1 Composition for dyeing keratin fibres and dyeing method using same |
| 04/28/1999 | EP0716670B1 Azo dyes with a diazo component of the anilin series and a coupling component of the triazolopyridine series |
| 04/27/1999 | CA2147856C Polymerizable yellow dyes and their use in ophthalmic lenses |
| 04/14/1999 | CN1214065A Monoazo dyes containing fluorosulphonyl group and use thereof |
| 03/31/1999 | EP0736080B1 Use of azo dyes for marking hydrocarbons and novel azo dyes |
| 03/23/1999 | US5886160 Thermal treatment |
| 03/10/1999 | CN1210520A Naphthol derivatives and process for preparation thereof |
| 03/09/1999 | US5879413 Cationic diazo dyes for the dyeing of hair |
| 03/02/1999 | US5877301 Color recording |
| 02/25/1999 | DE19735769A1 Magenta azo dye used in ink-jet printing ink |
| 02/24/1999 | EP0897577A1 Photorefractive composite |
| 02/24/1999 | CN1209151A Monoazo dyes contg. fluorosulphonyl group and use thereof |
| 02/23/1999 | US5874580 Fluorescent perylene pigments |
| 02/17/1999 | CN1208058A Quinoxaline-monoazo-acetarylide pigment |
| 02/17/1999 | CN1208057A Disperse dyes |
| 02/09/1999 | US5869628 Suitable for dyeing or printing polyester fiber textile material |
| 02/03/1999 | EP0894831A1 Monoazo pigments of the quinoxaline-acetarylide type |
| 02/03/1999 | EP0894830A2 Dispersion dyestuffs |
| 02/02/1999 | US5866293 Containing diazo compound and pyrazolone coupler; storage stability |
| 01/27/1999 | EP0674684B1 Polymerisable yellow dyes and their use in ophthalmic lenses |
| 01/20/1999 | EP0891394A1 Improved basic monoazo compounds |
| 01/20/1999 | EP0765154B1 Direct-acting hair colouring agent |
| 01/14/1999 | WO1999001512A1 Pigment dispersions containing c.i. pigment red 222 |
| 01/14/1999 | WO1999001511A1 Method for producing fine pigment dispersions |
| 01/14/1999 | WO1999001510A1 Monoazo dyes and inks containg them |
| 01/13/1999 | EP0705241B1 Calix(4)Arenes |
| 01/13/1999 | CN1205021A Azo compounds and process for preparing the same |
| 01/07/1999 | EP0889159A2 Process for pigment dyeing and printing |
| 01/07/1999 | EP0888409A1 Dye mixtures containing thienyl and/or thiazolazo dyes |
| 01/07/1999 | EP0888405A1 Monoazo dyes containing a fluorosulphonyl group and use therof |
| 12/30/1998 | WO1998059008A1 Pyridonazo dyes and inks containing them |
| 12/30/1998 | WO1998059007A1 Pyridonazo dyes and inks containing them |
| 12/23/1998 | WO1998058026A1 Pigmentary azo composition, preparation method and use |
| 12/23/1998 | CA2275778A1 Pigmentary azo composition, preparation method and use |
| 12/16/1998 | EP0884367A2 Cationic diphenylamine dyestuffs and their anhydrobases |
| 12/16/1998 | EP0764290B1 Printing process |
| 12/02/1998 | EP0881267A1 Azo compounds and process for preparing the same |
| 12/01/1998 | US5844100 Ink compositions containing azo dyes for ink jet printing |
| 11/26/1998 | DE19721619A1 Diazotisation of solid aromatic amine and nitrogen di:oxide, with high productivity |
| 11/18/1998 | EP0712429B1 Phenylazotriazolopyridine dyes |
| 11/17/1998 | US5837761 Blend of polyvinyl chloride and metallized azo dye |
| 11/11/1998 | EP0876429A1 Monoazo dyes containing a fluorosulphonyl group and use thereof |
| 11/03/1998 | US5831077 Reacting an aqueous hydraine hydrate with a reducing sugar in presence of a bease |
| 10/27/1998 | US5827332 Mixing oil soluble dyes with oils for visibility, simplified detection |
| 10/21/1998 | EP0872477A1 Naphthol derivative and process for preparing the same |
| 10/20/1998 | US5824785 Dyes with naphthol and triazine groups for inks |
| 10/20/1998 | US5824117 Nitrobenzisothiazole azo dyestuff |
| 10/15/1998 | WO1998045757A1 Black-pigmented structured high molecular weight material |
| 10/15/1998 | WO1998045756A1 Highly transparent, colour-pigmented high molecular weight material |
| 10/07/1998 | CN1195003A Azo dye mixtures |
| 09/22/1998 | US5811554 Preparation of 2-amino-4-alkoxythiazoles being negatively substituted in the 5 position |
| 09/22/1998 | US5811543 Fluorescent carbamate-modified phthalocyanine pigments |
| 09/22/1998 | US5811530 Monoazo cyan dye chromophor having a benzoisothiazole moiety, diffusion control group; for peel-apart photographic films |
| 09/16/1998 | EP0864615A1 Azodyesuff mixtures |
| 09/15/1998 | US5808015 Red fiber reactive, acid dyes for cellulose fibers, cotton, wool, silk, polyamides, polyesters, polyolefins and polyacrylonitrile; colorfastness; brightness; triazine dyes |
| 09/02/1998 | EP0861456A1 Image-recording materials |
| 09/02/1998 | EP0861297A1 Novel heterocyclic monoazodyes |
| 08/27/1998 | WO1998037150A1 Trifluoromethyl-substituted azo dyes |
| 08/20/1998 | DE19706245A1 Trifluormethylsubstituierte Azofarbstoffe Trifluoromethyl-substituted azo dyes |
| 08/18/1998 | US5795971 For paper, cellulose |
| 08/04/1998 | US5789560 Diffusion transfer; printing or dyeing synthetic material |
| 07/30/1998 | WO1998032802A1 Soluble chromophores having improved solubilising groups |
| 07/30/1998 | CA2275965A1 Soluble chromophores having improved solubilising groups |
| 07/21/1998 | US5783649 Polymerizable azo dyes with a thiophene structure |
| 07/14/1998 | US5780627 Fluorescent dioxazine pigments |
| 07/07/1998 | US5777089 Nonlinear optical device, colored textile, printing ink |
| 06/30/1998 | US5772745 Monoazo compounds |
| 06/25/1998 | WO1998027165A1 Monoazocompounds with an indanyl moiety |
| 06/23/1998 | US5770708 Diazotization of an aniline with neopentylglycol dinitrite; coupling with beta-naphthol |
| 06/17/1998 | EP0773976B1 Azo dyes having a coupling component from the aminothiazole series |
| 06/17/1998 | EP0572599B1 Ion-sensitive dyes |
| 06/09/1998 | US5763135 Light sensitive composition containing an arylhydrazo dye |
| 06/04/1998 | WO1998023690A1 Method for preparing light-absorbing polymeric compositions |
| 06/04/1998 | WO1998023449A1 Process film, process ink, and platemaking method and system using the film |
| 06/02/1998 | US5760197 Hydroxyquinolone monoazo dyestuffs, their preparation and use |
| 06/02/1998 | US5760196 Monoazo blue disperse dye compounds and methods for dyeing or printing hydrophobic fiber materials using the same |
| 06/02/1998 | US5759248 Bright magenta shades with good colorfastness |
| 05/28/1998 | WO1998022537A1 Acid yellow dye and method for using same |
| 05/28/1998 | DE3546925C2 New 2-amino-thiophene cpds. and derived disperse azo dyes |
| 05/28/1998 | CA2271817A1 Acid yellow dye and method for using same |
| 05/27/1998 | EP0692003B1 Monoazo reactive dyes |
| 05/26/1998 | US5756757 Process for the preparation of 3-hydroxy-N-benzimidazolon-5-yl-2-naphthamide in the high purity required of azo pigments |
| 05/26/1998 | US5756691 Water--insoluble azo colorants based on N-acetoacetyldehydrothiotoluidine |