| Patents for C09B 29 - Monoazo dyes prepared by diazotising and coupling (4,940) |
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| 03/18/2003 | CA2281171C N,n-dialkylaniline azo dye solutions |
| 03/06/2003 | WO2002083795A3 Coloring composition for image formation and method for improving ozone resistance of color image |
| 03/06/2003 | WO2002083662A3 Azo compounds and process of producing the same and novel intermediate compounds used in the process of producing azo compounds |
| 03/06/2003 | US20030045122 Nanolithography with pi-conjugated azo dyes and azo-metal complexes |
| 02/27/2003 | WO2002086878A3 Optical data carrier whose information layer contains a light-absorbing compound having a number of chromophoric centers |
| 02/27/2003 | US20030040608 Having good hue and capable of forming images having high lightfastness |
| 02/26/2003 | EP0993490B1 Method for producing fine pigment dispersions |
| 02/20/2003 | WO2003014227A1 Novel azo pigments |
| 02/19/2003 | EP1283856A2 Process for preparing solutions of anionic organic compounds |
| 02/18/2003 | US6521038 Near-infrared reflecting composite pigments |
| 02/12/2003 | EP1283249A2 Ink jet ink composition containing a hyperbrached polymeric dye and printing method |
| 02/06/2003 | WO2003010239A1 Dyes incorporating anionic and cationic groups |
| 02/06/2003 | CA2452522A1 Dyes incorporating anionic and cationic groups |
| 02/05/2003 | EP0929616B1 Aqueous ink compositions |
| 02/05/2003 | CN1394917A Fine pigment and composition for colouring |
| 02/05/2003 | CN1100830C Quinoxaline-monoazo-acetarylide pigment |
| 02/05/2003 | CN1100829C Organic red pigment and its use |
| 02/04/2003 | US6515114 Bunte salt azo dye compound |
| 02/04/2003 | US6514917 Molecular tags for organic solvent systems |
| 01/23/2003 | US20030015120 Mixtures of acid yellow 23 and direct yellow 132, acid blue 9 and a cyan dye with a phthalocyanine nucleus and a magenta ink with chromene, napthalene and 1,3,5-triazine structures |
| 01/22/2003 | CN1099494C Method of three color dyeing or printing |
| 01/16/2003 | US20030013041 Write-once optical data carrier |
| 01/09/2003 | WO2002080152A3 Optical data carrier that contains a heterocyclic azo dye as the light-absorbing compound in the information layer |
| 01/09/2003 | US20030008304 Fluorescent quenching detection reagents and methods |
| 01/09/2003 | US20030008234 Optical data carrier comprising a cyanine dye as light-absorbent compound in the information layer |
| 01/09/2003 | US20030006516 Radiation transparent subsrates; reflecting layer |
| 01/09/2003 | US20030005525 Composition for dyeing keratin fibers with a cationic direct dye and a thickening polymer |
| 01/08/2003 | EP1272567A2 Mono- and bis-hydrazone pigments |
| 01/08/2003 | EP0974074B1 Highly transparent, colour-pigmented high molecular weight material |
| 01/02/2003 | US20030003396 Reflection, protective or covering layers which can be written on or read by blue, red or infrared light |
| 01/02/2003 | US20030000023 Composition for dyeing keratin fibres and dyeing method using same |
| 01/02/2003 | EP1270680A2 Finely divided pigments and coloring compositions |
| 12/31/2002 | CA2066757C Method and means for detecting polyhydroxyl compounds |
| 12/26/2002 | US20020197561 Information layer comprises a light-absorbent compound that is a dye which cyclizes thermally |
| 12/26/2002 | US20020197439 Optical data storage medium containing a triazacyanine dye as the light-absorbing compound in the information layer |
| 12/25/2002 | CN1097210C Light sensitive composition contg. arylhydrazo dye |
| 12/19/2002 | WO2002080161A3 Optical data carrier that contains a merocyanine dye as the light-absorbing compound in the information layer |
| 12/19/2002 | US20020193515 Polarization film containing a monoazo compound or salt |
| 12/19/2002 | DE10115227A1 Optischer Datenträger enthaltend in der Informationsschicht eine lichtabsorbierende Verbindung mit mehreren chromophoren Zentren Optical data storage medium in the information layer containing a light absorbing compound having a plurality of chromophoric centers |
| 12/18/2002 | EP1124904B1 Solid solutions of monoazo pigments |
| 12/12/2002 | WO2002099141A1 Fluorescent quenching detection reagents and methods |
| 12/11/2002 | EP1056808B1 Monoazo dyestuffs, a composition and an ink for ink jet printing comprising them |
| 12/05/2002 | WO2002096994A1 Basic mono- and bisazo compounds |
| 12/04/2002 | EP1261666A1 A method of colouring hair using cationic dyes |
| 12/03/2002 | US6489452 An azo dye represented by the following general formula (1) and a process for making the azo dye is disclosed. the process comprises a step in which a diazonium salt is formed by the reaction between an aminopyrazole and aromatic coupling agent |
| 12/03/2002 | US6488752 Storage stability, waterproof, colorfastness, photostability |
| 11/26/2002 | US6486332 Fluorescent pigments |
| 11/21/2002 | US20020172793 Optical data store comprising an axially substituted cobalt phthalocyanine in the light-writeable information layer |
| 11/20/2002 | EP1257601A1 Dyes, inks and their use in ink-jet printing |
| 11/19/2002 | US6482257 Solid solutions of monoazo pigments |
| 11/13/2002 | CN1379065A Reactive dye and its preparation method and use |
| 11/07/2002 | WO2002089128A1 An optical data storage medium containing a diaza hemicyanine dye as the light-absorbing compound in the information layer |
| 11/06/2002 | EP1254932A2 Dye based ink set for ink jet printing |
| 11/05/2002 | US6475543 Yellow pigmented food package |
| 10/31/2002 | WO2002086879A1 Optical data support comprising a hemicyanin dye in the information layer as light-absorbing compound |
| 10/31/2002 | WO2002086878A2 Optical data carrier whose information layer contains a light-absorbing compound having a number of chromophoric centers |
| 10/31/2002 | WO2002085988A1 Water-soluble salt of sulfonamides as colorants for the pigmenting of porous materials and for use in inkjet printing |
| 10/30/2002 | CN1377388A Sorbitan ester treated pigments for plastics applications |
| 10/24/2002 | WO2002084656A1 Optical data carrier that contains a triazacyanine dye as the light-absorbing compound in the information layer g |
| 10/24/2002 | WO2002083795A2 Coloring composition for image formation and method for improving ozone resistance of color image |
| 10/24/2002 | WO2002083662A2 Azo compounds and process of producing the same and novel intermediate compounds used in the process of producing azo compounds |
| 10/24/2002 | WO2002048266A3 Transparent greenish yellow pyrazolone pigments |
| 10/24/2002 | US20020155484 Oligonucleotide for use as tool in the detection of preferential compounds in solution |
| 10/24/2002 | US20020155381 Multilayer; radiation transparent substrate, reflection layers, protective coatings |
| 10/24/2002 | CA2616944A1 Coloring composition for image formation and method for improving ozone resistance of color image |
| 10/24/2002 | CA2616942A1 Coloring composition for image formation and method for improving ozone resistance of color image |
| 10/23/2002 | EP1251154A1 Ink compositions for inkjet recording |
| 10/23/2002 | EP0994924B1 Monoazo dyes and inks containg them |
| 10/22/2002 | US6468338 Mixture of water, humectants and water soluble pyrazole, azo and indole dyes having brightness and photostability |
| 10/17/2002 | WO2002081572A1 Azo dyes |
| 10/17/2002 | WO2002012402A3 Colorant compounds containing copolymerizable vinyl groups |
| 10/15/2002 | US6465663 Ethyl (e)-4-(2-(5,6-dihydro-5,5-dimethyl-naphthalen-8(7h)-one-2 -yl)ethenyl)benzoate and ethyl (e)-4-(2-(5,6-dihydro-5,5-dimethyl-8-(phenylthio)-naphthalenyl)ethenyl) benzoate |
| 10/15/2002 | US6464767 Thermal printing using printers having ink mixtures of water, humectants, water soluble dyes, image and signal receiver layers; photostability |
| 10/15/2002 | CA2037135C Production of pigments |
| 10/10/2002 | WO2002080164A1 Optical recording medium |
| 10/10/2002 | WO2002080163A1 Optical data carrier containing a cyclizable compound in the information layer |
| 10/10/2002 | WO2002080162A1 Optical data memories containing an axially substituted co-phthalocyanine in the information layer that can be written with light |
| 10/10/2002 | WO2002080161A2 Optical data carrier that contains a merocyanine dye as the light-absorbing compound in the information layer |
| 10/10/2002 | WO2002080160A1 Optical data carrier that contains a cationic aminoheterocyclic dye as the light-absorbing compound in the information layer |
| 10/10/2002 | WO2002080159A1 Optical data carrier that contains a cyanine dye as the light-absorbing compound in the information layer |
| 10/10/2002 | WO2002080152A2 Optical data carrier that contains a heterocyclic azo dye as the light-absorbing compound in the information layer |
| 10/10/2002 | WO2002080150A2 Optical data medium containing, in the information layer, a dye as a lightabsorbing compound and having a protective covering layer of predetermined thickness |
| 10/10/2002 | US20020146651 Color developing agent, azo dye, silver halide photographic light-sensitive material, and image-forming method |
| 10/10/2002 | DE10117461A1 Optical data medium for information recording, has cover layer and adhesive layer having preset total thickness, and recorded and readout with focussing objective lens setup having preset numerical aperture |
| 10/09/2002 | EP1247841A2 Reactive dyes, process for their preparation and the use thereof |
| 10/08/2002 | US6461416 1,3,4,-thiadiazolylazo dyes and ink compositions containing the same |
| 10/08/2002 | CA2039469C Concentrated dye solutions |
| 10/03/2002 | WO2002077984A1 Optical data carrier containing a xanthene dye in the information layer thereof as a light-absorbing compound |
| 10/03/2002 | US20020138922 1-hydroxy-2-((sulfophenyl)azo),3,(5 or 6)-disulfo-8-((4-((susbstituted aryl)amino),6-halo-s-triazin-2-yl)-naphthalene dye of given formula |
| 10/01/2002 | US6458194 Excellent in transfer property, color and light fastness |
| 09/26/2002 | WO2002074864A1 Phthalimidyl azo dyes, process for the preparation thereof and the use thereof |
| 09/24/2002 | US6455679 Azo dye, ink-jet recording ink containing the same, and ink-jet recording method |
| 09/19/2002 | WO2002072707A1 Pyridone dyes, a process for their preparation and their use in the production of coloured plastics or polymeric colour particles |
| 09/19/2002 | WO2001074950A3 Mono- and bis-hydrazone pigments |
| 09/19/2002 | US20020132874 Colorant compounds containing copolymerizable vinyl groups |
| 09/19/2002 | US20020129739 White pigment coated with near-infrared non-absorbing colorant |
| 09/19/2002 | CA2434837A1 Pyridone dyes, a process for their preparation and their use in the production of coloured plastics or polymeric colour particles |
| 09/18/2002 | EP1240645A1 Method for digitally and optically storing data |
| 09/12/2002 | WO2002071530A1 Pigment sensitizing photoelectric conversion element |
| 09/12/2002 | US20020127366 Singly recordable compact disc (CD-R) |