| Patents for C09B 29 - Monoazo dyes prepared by diazotising and coupling (4,940) |
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| 04/21/2004 | EP1411089A1 Azo compounds |
| 04/21/2004 | EP1261666B1 A method of colouring hair using cationic dyes |
| 04/21/2004 | CN1491259A Phthalimidyl azo dyes, process for preparation thereof and the use thereof |
| 04/21/2004 | CN1491258A Phthalimidyl azo dyes, process for preparation thereof and the use thereof |
| 04/20/2004 | US6723835 Printing dye; color filter; yellow; carboxy groups ortho to the azo linkage provide lightfastness versus related ortho-sulpho analogues, with no loss in brightness |
| 04/14/2004 | CN1489620A Azodyes, preparing method thereof and use in dyeing or printing of hydrophobic fiber materials |
| 04/14/2004 | CN1489619A Azodyes, preparing method thereof and use in production of cloured plastics or polymer colour particles, and in the dyeing or printing of hydrophobic fiber materials |
| 04/08/2004 | US20040066438 Ink for jet recording and ink set |
| 04/07/2004 | CN1487980A Single-phase mixed crystals of laked monoazo dyes |
| 04/06/2004 | US6716563 Azo dyes and azo-metal complexes for atomic force microscope lithography |
| 03/31/2004 | EP1403337A1 Ink for jet recording and ink set |
| 03/31/2004 | CN1486348A Colorant composition |
| 03/30/2004 | US6713146 Singly recordable compact disc (cd-r) |
| 03/30/2004 | US6712861 Composition for dyeing keratin fibers and dyeing method using same |
| 03/25/2004 | WO2004024827A1 Process for preparing azo compound |
| 03/25/2004 | US20040059124 Colorant compounds containing copolymerizable vinyl groups |
| 03/25/2004 | US20040059014 Colorant Compounds containing copolymerizable vinyl groups |
| 03/25/2004 | US20040055508 Ink for ink jet recording and ink jet recording process |
| 03/25/2004 | US20040055097 Azo dyes, a process for their preparation and their use in the dyeing or printing of hydrophobic fibre materials |
| 03/23/2004 | US6709502 Aqueous inks for ink jet printing. |
| 03/18/2004 | US20040053988 Ink set, ink cartridge, inkjet printer and recording method |
| 03/18/2004 | US20040050291 Inks includes a yellow ink containing a coloring agent that is a dye |
| 03/18/2004 | US20040049863 Printing polyamide fibers using dioxazine, monoazo and disazo dye mixtures, to form multicolor shades |
| 03/17/2004 | EP1398020A1 Hair dye composition comprising an azo dye containing a dissociative proton, method and use |
| 03/17/2004 | EP1397434A1 Basic mono- and bisazo compounds |
| 03/16/2004 | US6706864 Heat resistance, migration fastness; coupling, azotization, desalting |
| 03/11/2004 | WO2004020505A1 Method of producing coloured plastics or polymeric colour particles |
| 03/11/2004 | US20040049020 Especially for dyeing paper; red dyeings with good fastness |
| 03/11/2004 | CA2496559A1 Method of producing coloured plastics or polymeric colour particles |
| 03/03/2004 | CN1479771A Trichromatic dyeing process |
| 03/02/2004 | US6699975 Fluorescent quenching detection reagents and methods |
| 02/26/2004 | WO2004016699A1 Ink for inkjet recording, ink set for inkjet recording and inkjet recording method |
| 02/26/2004 | US20040039183 Transparent greenish yellow pyrazolone pigments |
| 02/26/2004 | US20040039182 Mono-and bis-hydrazone pigments |
| 02/25/2004 | EP1391488A1 Ink set, ink cartridge, inkjet printer and recording method |
| 02/25/2004 | EP1391487A2 Ink set, ink cartridge, ink jet printer and recording method |
| 02/19/2004 | US20040034204 Monoazoquinolone pigments, process for their preparation and their use |
| 02/19/2004 | US20040031109 Thermostable dyes; lightfastness |
| 02/18/2004 | EP1235881B1 Dye compositions, their production and their use |
| 02/12/2004 | WO2004013234A2 Metal complexes as light-absorbing compounds in the information layer of optical data carriers |
| 02/12/2004 | WO2004013233A1 Anionic monoazo dyes |
| 02/12/2004 | CA2493627A1 Anionic monoazo dyes |
| 02/05/2004 | DE10234288A1 Metallkomplexe als lichtabsorbierende Verbindungen in der Informationsschicht von optischen Datenträgern Metal complexes as light-absorbing compounds in the information layer of optical media |
| 02/04/2004 | EP1386318A1 An optical data storage medium containing a diaza hemicyanine dye as the light-absorbing compound in the information layer |
| 02/04/2004 | EP1386317A1 Optical data carrier that contains a cyanine dye as the light-absorbing compound in the information layer |
| 02/04/2004 | CN1473153A Hetero-anellated ortho-aminophenols |
| 01/28/2004 | EP1383837A1 Water-soluble salt of sulfonamides as colorants for the pigmenting of porous materials and for use in inkjet printing |
| 01/28/2004 | CN1471561A Monoazoquinolone pigment, its preparing method and use |
| 01/27/2004 | US6682573 Azo disperse dye mixtures |
| 01/22/2004 | US20040013375 Novel substituted-polyaryl chromophoric compounds |
| 01/08/2004 | WO2002080164A9 Optical recording medium |
| 01/07/2004 | EP1378550A1 Ink for ink jet recording and ink jet recording process |
| 01/07/2004 | EP1377978A2 Optical data carrier whose information layer contains a light-absorbing compound having a number of chromophoric centers |
| 01/07/2004 | EP1377976A2 Optical data carrier that contains a merocyanine dye as the light-absorbing compound in the information layer |
| 01/07/2004 | EP1377975A2 Optical data medium containing, in the information layer, a dye as a lightabsorbing compound and having a protective covering layer of predetermined thickness |
| 01/07/2004 | EP1377974A1 Optical data carrier containing a xanthene dye in the information layer thereof as a light-absorbing compound |
| 01/07/2004 | EP1377973A1 Optical data memories containing an axially substituted co-phthalocyanine in the information layer that can be written with light |
| 01/07/2004 | EP1377971A1 Optical data carrier that contains a cationic aminoheterocyclic dye as the light-absorbing compound in the information layer |
| 01/07/2004 | EP1377970A1 Optical data carrier containing a cyclizable compound in the information layer |
| 01/07/2004 | EP1377968A2 Optical data carrier that contains a heterocyclic azo dye as the light-absorbing compound in the information layer |
| 01/07/2004 | EP1377642A2 Coloring composition for image formation and method for improving ozone resistance of color image |
| 01/07/2004 | EP1377641A1 Azo dyes |
| 01/07/2004 | EP1377640A2 Azo compounds and process of producing the same and novel intermediate compounds used in the process of producing azo compounds |
| 01/07/2004 | CN1466136A Method for improving track-seeking signal of optical disk and dye thereof |
| 01/02/2004 | EP1374234A1 Optical data support comprising a hemicyanin dye in the information layer as light-absorbing compound |
| 01/02/2004 | EP1374233A1 Optical data carrier that contains a triazacyanine dye as the light-absorbing compound in the information layer g |
| 12/31/2003 | CN1464010A Process for preparing low-salt high-strength active yellow dye |
| 12/24/2003 | WO2003052008A3 Composition for printing recording materials |
| 12/17/2003 | EP1371687A1 Bunte salt azo dye compound |
| 12/17/2003 | CN1462435A Optical data carrier containing phthalocyanine colouring agent as light absorbing compound in information layer |
| 12/17/2003 | CN1462358A Optical data storage device containing Co-Phthalocyanin complex in optically writable information layer |
| 12/17/2003 | CN1131285C Disperse dye mixtures |
| 12/11/2003 | WO2003102083A1 Anthraquinone-azo dyes |
| 12/11/2003 | CA2483471A1 Anthraquinone-azo dyes |
| 12/10/2003 | EP1368432A1 Colorant composition |
| 12/10/2003 | EP1368431A1 Pyridone dyes, a process for their preparation and their use in the production of coloured plastics or polymeric colour particles |
| 12/04/2003 | WO2003099936A1 Novel derivatives of c.i. pigment red 170 |
| 12/04/2003 | US20030221588 Monoazo dyes and their preparation and use |
| 12/03/2003 | EP1367667A1 Pigment sensitizing photoelectric conversion element |
| 12/03/2003 | EP1367098A1 Monoazo dyes, their preparation and use |
| 12/03/2003 | EP1366122A1 Azo dyes, a process for their preparation and their use in the production of coloured plastics or polymeric colour particles, and in the dyeing or printing of hydrophobic fibre materials |
| 11/26/2003 | CN1458965A Azo orange nigment composition |
| 11/25/2003 | US6653473 Fluorescent quenching detection reagents and methods |
| 11/20/2003 | US20030213405 A dye containing triazine ring and an azo group substituted heterocyclic ring, used for image forming |
| 11/13/2003 | US20030210310 Ink set for inkjet recording and inkjet recording method |
| 11/12/2003 | EP1360242A1 Azo dyestuffs |
| 11/11/2003 | US6645909 Process for azo coupling reaction using diazonium salt and coupler having releasing group, and recording material containing the coupler |
| 11/05/2003 | EP1358274A1 Phthalimidyl azo dyes, process for their preparation and the use thereof |
| 11/05/2003 | EP1358273A1 Phthalimidyl azo dyes, process for their preparation and the use thereof |
| 11/04/2003 | US6641889 Optical data storage medium containing a triazacyanine dye as the light-absorbing compound in the information layer |
| 10/30/2003 | US20030204094 Exhibits excellent absorption characteristics, and which is high in fastness to light, heat, humidity, air, chemicals and the like |
| 10/29/2003 | CN1125811C Azo compound and its use and preparing process |
| 10/23/2003 | WO2002080150A3 Optical data medium containing, in the information layer, a dye as a lightabsorbing compound and having a protective covering layer of predetermined thickness |
| 10/22/2003 | EP1354007A1 Single-phase mixed crystals of laked monoazo dyes |
| 10/22/2003 | EP1354005A1 Azo dyes, a process for their preparation and their use in the dyeing or printing of hydrophobic fibre materials |
| 10/22/2003 | CN1125144C Azo comounds and process for producing the same |
| 10/21/2003 | US6635747 Dyes, inks and their use in ink-jet printing |
| 10/21/2003 | CA2325211C Water-insoluble yellow monoazo pigment |
| 10/16/2003 | US20030192131 Composition for the oxidation dyeing of keratin fibres and dyeing process using this composition |
| 10/09/2003 | US20030190540 Photoconductive layer containing azo compound; electrostaticlatent image |