C09B 43 - Preparation of azo dyes from other azo compounds

Patents for C09B 43 - Preparation of azo dyes from other azo compounds (1,452)
11/2006
11/08/2006	CN1860186A Azo compound, aqueous dye solutions containing the same, inks and use thereof
11/08/2006	CN1283731C Use of dyestuffs for printing recording materials
11/07/2006	US7132518 Mono- and bis-hydrazone pigments
11/02/2006	EP1717283A1 Ink composition containing a particular type of dye, and corresponding ink jet printing process.
11/02/2006	EP1587880B1 Infrared absorbing compounds and their use in imageable elements
10/2006
10/26/2006	WO2006112173A1 Novel polymerizable dye and ophthalmic lens containing the same
10/26/2006	CA2603665A1 Novel polymerizable dye and ophthalmic lens containing the same
10/24/2006	US7125966 Azo compounds
10/24/2006	US7125443 Lightfast colorant and lightfast ink composition including the same
10/11/2006	EP1679350A9 Dye for anisotropic dye film, dye composition for anisotropic dye film, anisotropic dye film and polarizing device
09/2006
09/28/2006	DE102005013960A1 Reaktivfarbstoffe, Verfahren zur deren Herstellung und ihre Verwendung Reactive dyes, processes for their preparation and their use
09/27/2006	EP1704187A1 Acidic monoazo dyestuffs
09/20/2006	CN1276035C Water-color ink
09/19/2006	US7109336 Azo compound and process of producing the same, and novel compound and process of producing azo compounds using the same
09/12/2006	US7105646 Mono- and bis-hydrazone pigments
09/05/2006	US7101983 Azo dyes
08/2006
08/29/2006	US7097702 Acidic mono azo dyestuffs
08/23/2006	EP1324741B1 Method of dyeing keratin-containing fibres
08/23/2006	CN1823140A Disazo compound and ink composition containing the same
08/22/2006	US7094277 Dye includes chromophore ionically coupled to counterion; one of chromophore and counterion includes hydrophilic moiety; for ink-jet printing on both hydrophilic and hydrophobic papers
08/17/2006	US20060182902 Molecular alignment suitable to develop a dichroic ratio, it provides high dichromatic properties; azo dye; film is excellent in heat resistance, light fastness and polarizing performance; light control device, a liquid crystal device and a display device of an organic electroluminescence device (OLED)
08/15/2006	US7091327 Treating aromatic amino-compounds with hydrogen peroxide and acetic acid, followed by sulphuric acid, to yield aromatic azo-compound or salt
08/08/2006	US7087731 Disperse dyes; formed via nitration, alkylation, halogenation, then diazotization; for coloring synthetic hydrophobic fibers/textiles
08/03/2006	US20060169172 Disazo compound and ink composition containing the same
07/2006
07/27/2006	US20060167235 Process for the preparation of ayl diazonium salts and reaction with nucleophiles
07/19/2006	CN1264936C Method of printing sheet-form substrates by the inkjet printing process
07/18/2006	US7078498 Coupling, oxidation; monoazo dyes
07/13/2006	US20060150345 New anionic coloring agents to dye leather, paper, cardboard and textile substrates: mixtures of coloring agents including these new products, and substrates dyed using the above coloring agents
07/12/2006	EP1679350A1 Dye for anisotropic dye film, dye composition for anisotropic dye film, anisotropic dye film and polarizing device
07/06/2006	DE102004063416A1 Verfahren zur Herstellung einer Photoresistlösung A process for producing a photoresist solution
07/05/2006	EP1556444B1 Azo compounds
07/05/2006	CN1262854C Color polarizer with support for liquid crystal projector and color liquid crystal projector
06/2006
06/29/2006	US20060142554 disperse dyes used dyeing and printing regenerated or synthetic hydrophobic fibers and/or blends; colorfastness; storage stability
06/27/2006	US7066969 Dyes incorporating annionic and cationic groups
06/14/2006	EP1669413A1 Azo compound, aqueous dye solutions containing the same, inks and use thereof
06/14/2006	DE19820850B4 Verfahren zur Bestimmung von extracellulärem pH A method for the determination of pH extracellulärem
06/06/2006	US7057024 Black-dyeing inks and their use
06/06/2006	US7056374 Colors materials comprising azo dyes having photostability, waterproofing, hermetic sealing, shelf life and colorfastness
05/2006
05/18/2006	US20060101594 Phthalimidyl-azo dyes, process for their preparation and their use
05/16/2006	US7045608 Process for the preparation of cationic azo compounds
05/10/2006	CN1771299A Infrared absorbing compounds and their use in imageable elements
05/04/2006	DE19515251B4 Faserreaktive Disazofarbstoffe Fiber-reactive disazo dyes
04/2006
04/20/2006	DE4334185B4 Faserreaktive Azofarbstoffe A fiber-reactive azo dyes
04/20/2006	DE4327006B4 Faserreaktive Monoazofarbstoffe Fiber-reactive monoazo dyes
04/19/2006	CN1252190C Water-base ink and process for production of dyes
04/12/2006	EP1645598A1 Disazo compound and ink composition containing the same
04/11/2006	US7026458 High light fastness reactive red dyes
04/11/2006	US7025813 Ink composition containing a particular type of dye, and corresponding ink-jet printing process
04/05/2006	CN1754920A Production process of azoic disperse dye
04/05/2006	CN1754919A Azo dyes
04/05/2006	CN1249172C Method for preparing tetrazo condensation pigment in micro-reactor
04/05/2006	CN1249171C Phthalimidyl azo dyes, process for preparation thereof and the use thereof
04/04/2006	US7022143 Dyeing composition for dyeing keratinous fibers comprising a cationic azo-dye
03/2006
03/16/2006	US20060055751 Monoazo compounds and inks containing them
03/09/2006	WO2006025568A1 Inkjet ink, method for producing inkjet ink, inkjet recording method, and ink cartridge
03/08/2006	EP1228148B1 Disazo dyestuffs for ink jet printing
03/08/2006	CN1743383A New process for cation dye parent quaterisation
03/08/2006	CN1743382A Cationic diazo compounds, compositions comprising them as direct dye, process for dyeing keratin fibers and device therefor
03/08/2006	CN1244640C Azo dyes
02/2006
02/21/2006	US7001436 Dyeing composition for keratinous fibres comprising a particular dicationic diazo dye
02/16/2006	US20060032399 Disazo dyes and ink jet inks containing them
02/16/2006	DE4331386B4 Faserreaktive Monoazofarbstoffe Fiber-reactive monoazo dyes
02/09/2006	US20060026776 Method of dyeing keratin-containing fibres
02/09/2006	DE4327005B4 Faserreaktive Disazofarbstoffe Fiber-reactive disazo dyes
01/2006
01/12/2006	US20060009626 Amidation or condensation of 2-aryl-3-alkoxycarbonyl-4-phenylhydrazone-5-pyrrolinones with a diamine or diol; paints
01/12/2006	US20060005744 Dye composition, ink composition, and method of ink-jet recording
01/11/2006	CN1235979C Cationic dye
12/2005
12/29/2005	US20050288496 Derived from 2-aryl-3-alkoxycarbonyl-5-pyrrolinones and 2-aryl-5-pyrrolinones by reaction with diamines or diazo compounds
12/29/2005	US20050288495 Mono- and bis-hydrazone pigments
12/29/2005	US20050288494 Derived from 2-aryl-3-alkoxycarbonyl-5-pyrrolinones and 2-aryl-5-pyrrolinones by reaction with diamines or diazo compounds
12/22/2005	DE4315031B4 Basische sulfogruppenhaltige Disazoverbindungen Basic sulfo-containing diazo compounds
12/21/2005	CN1711319A Phthalimidyl-azo dyes, process for their preparation and their use
12/07/2005	CN1705716A Azo compounds
12/01/2005	WO2005113683A1 Monoazo dyes
12/01/2005	CA2560958A1 Monoazo dyes
11/2005
11/30/2005	CN1229451C Aqueous ink compsn., water-soluble dye compsn., and ink-jet recording method
11/17/2005	US20050256305 Anionic monoazo dyes
11/16/2005	CN1227299C Azo type disperse dyes in use for coloration in acid-alkalinity bath
11/15/2005	US6965019 Mono-and bis-hydrazone pigments
11/10/2005	WO2005106542A1 Dye and optical film for flat panel display device
11/10/2005	WO2005095522A3 Cationic imidazolazo dyes containing a 2, 5-diaminophenyl moiety
11/03/2005	US20050241527 Disazo dyes and ink jet inks containing them
10/2005
10/13/2005	WO2005095522A2 Cationic imidazolazo dyes containing a 2, 5-diaminophenyl moiety
10/12/2005	CN1681890A Process for preparing azo compound
09/2005
09/29/2005	WO2005073323A8 Acidic monoazo dyestuffs
09/21/2005	EP1577356A1 Ink composition containing a particular type of dye, and corresponding ink jet printing process.
09/21/2005	CN1671799A Anionic monoazo dyes
09/14/2005	EP1574552A1 Recording liquid
09/14/2005	CN1668704A Dye composition, ink composition, and method of ink-jet recording
09/08/2005	DE102004005316A1 Verfahren zur Herstellung von ortho- und parasubstituierten aromatischen Azoverbindungen sowie anderen Azoverbindungen Process for the preparation of ortho- and para-substituted aromatic azo compounds and other azo compounds
09/07/2005	EP1377641B1 Azo dyes
09/01/2005	DE4209261B4 Anionische Disazoverbindungen Anionic diazo compounds
08/2005
08/31/2005	CN1216947C Reactive dye compounds
08/11/2005	WO2005073323A1 Acidic monoazo dyestuffs
08/11/2005	US20050172856 Acidic mono azo dyestuffs
08/10/2005	EP1560883A1 Phthalimidyl-azo dyes, process for their preparation and their use
07/2005
07/27/2005	EP1556444A1 Azo compounds
07/20/2005	EP1554350A1 Monoazo compounds and inks containing them
07/14/2005	US20050154195 Reacting an amine compound with alcoholate in presence of solvent
07/13/2005	CN1639266A Process for the preparation of cationic azo compounds

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