C09B 41 - Special methods of performing the coupling reaction

Patents for C09B 41 - Special methods of performing the coupling reaction (551)
07/2006
07/11/2006	US7074906 Organic solvent-free process for the preparation of 2-(2-nitrophenylazo)phenols
06/2006
06/08/2006	WO2006059741A1 Preparation process of azo pigment dispersion
05/2006
05/03/2006	EP1652893A2 Production process and system for insoluble azo pigments
04/2006
04/27/2006	US20060086290 Production process and system for insoluble azo pigments
04/26/2006	CN1763136A Production process and system for insoluble azo pigments
04/19/2006	CN1761722A Methods of preparing aqueous colored pigment dispersions, and inkjet ink compositions
04/05/2006	CN1754920A Production process of azoic disperse dye
04/05/2006	CN1249172C Method for preparing tetrazo condensation pigment in micro-reactor
03/2006
03/22/2006	CN1246393C Method of improving pigment fluorescence
03/02/2006	US20060042117 Method and device for carrying out chemical and physical methods
01/2006
01/26/2006	WO2006008495A1 Manufacturing process
01/24/2006	US6989055 Monoazo lake pigment composition and gravure ink using the same
12/2005
12/15/2005	DE102004025444A1 Verfahren zur Herstellung von Flüssigeinstellungen basischer Azofarbstoffe Process for the preparation of liquid formulations of basic azo dyes
12/07/2005	CN1230470C Single-phase mixed crystals of laked monoazo dyes
12/01/2005	WO2005113682A1 Method for producing liquid adjustments of basic azo dyes
11/2005
11/23/2005	EP1222233B1 A method for synthesizing polymeric azo dyes
11/16/2005	EP1594923A1 Methods for preparing aqueous colored pigment dispersions, and inkjet ink compositions
11/10/2005	WO2005105928A1 High-purity naphthol as pigments
11/10/2005	WO2005105927A1 Process for producing high-purity azo dyes
11/10/2005	DE102004019561A1 Verfahren zur Herstellung hochreiner Azofarbmittel Method for producing high purity azo colorants
11/10/2005	DE102004019560A1 Hochreine Naphthol AS-Pigmente High-purity Naphthol AS pigments
11/10/2005	CA2563812A1 High-purity naphthol as pigments
11/10/2005	CA2563811A1 Process for producing high-purity azo dyes
11/01/2005	US6960252 Monoazo and disazo dyes having sulfonic acid group; coupling of acetoacetyl-o-anisidine with a diazotized base; good dispersibility, image reproduciblity, retaining capacity.
10/2005
10/26/2005	CN1688658A Method and device for carrying out chemical and physical methods
10/26/2005	CN1224645C Organic pigment with high transparency and hydrophobicity
10/06/2005	US20050218378 enhancing fluorescence intensity of organic pigments by mixing with surfactants; durability
08/2005
08/03/2005	EP1558682A1 Method and device for carrying out chemical and physical methods
08/02/2005	US6923856 Method of improving pigment fluorescence
07/2005
07/13/2005	CN1210350C Method and device for continuous redox adjustment in azoic couplings
07/05/2005	US6913640 Single-phase mixed crystals of laked monoazo dyes
05/2005
05/26/2005	US20050109240 Organic pigment fine-particle, and method of producing the same
03/2005
03/30/2005	EP1517963A1 Organo-clay complexes
03/30/2005	EP1363975B1 Method and device for continuous redox adjustment in azoic couplings
03/23/2005	EP1516896A1 Organic pigment fine-particle, and method of producing the same
03/23/2005	CN1599777A Organic solvent-free process for the preparation of 2-(2-nitrophenylazo)phenols
03/10/2005	US20050053562 Organic solvent-free process for the preparation of 2-(2-nitrophenylazo)phenols
12/2004
12/02/2004	US20040241865 Using controlled pressure increases to clean minature and/or microstructure components; fouling prevention in microanalysis
12/01/2004	CN1551799A Method and device for the process-attendant cleaning of micro-and mini-reactors
11/2004
11/10/2004	CN1175053C Method for production of azo dyes in microreactors
09/2004
09/01/2004	EP1451254A1 Organic solvent-free process for the preparation of 2-(2-nitrophenylazo)phenols
08/2004
08/26/2004	US20040163569 Methods of preparing aqueous colored pigment dispersions, and inkjet ink compositions
08/12/2004	WO2004067643A1 Methods for preparing aqueous colored pigment dispersions, and inkjet ink compositions
07/2004
07/15/2004	US20040138434 Yellow pigment composition for image recording and process for producing the same
07/08/2004	US20040131507 Adjustment of concentration of reactants; rotating electrodes transverse to fluid flow; process control
06/2004
06/16/2004	EP1427520A1 Method and device for the process-attendant cleaning of micro- and mini-reactors
06/02/2004	EP1424370A1 Yellow pigment composition for image recording and process for producing the same
06/01/2004	US6743901 Preparation of liquid formulations of basic azo dyes
05/2004
05/06/2004	WO2004037929A1 Method and device for carrying out chemical and physical methods
05/06/2004	US20040087781 Single-phase mixed crystals of laked monoazo dyes
05/06/2004	DE10249747A1 Verfahren und Vorrichtung zur Durchführung chemischer und physikalischer Prozesse Method and apparatus for carrying out chemical and physical processes
04/2004
04/28/2004	CN1492910A Method and device for continuous redox adjustment in azoic couplings
04/07/2004	CN1487980A Single-phase mixed crystals of laked monoazo dyes
03/2004
03/31/2004	CN1485374A Monoazo lake pigment composition and gravure ink using the same
03/16/2004	US6706863 Organic pigment with high transparency and hydrophobicity
03/03/2004	EP1394220A1 Monoazolake pigment composition and gravure ink using the same
02/2004
02/12/2004	US20040025748 Monoazo lake pigment composition and gravure ink using the same
02/11/2004	CN1474860A Method of improving pigment fluorescence
02/07/2004	CA2436845A1 Monoazolake pigment composition and gravure ink using the same
01/2004
01/22/2004	US20040011251 Comprises Pigment Yellow 12 and N,N-dimethylcocoamine as surfactant; for special effect or security printing
12/2003
12/31/2003	WO2004000948A1 Organo-clay complexes
11/2003
11/26/2003	EP1363975A2 Method and device for continuous redox adjustment in azoic couplings
11/12/2003	EP1257602B1 Method for production of azo dyes in microreactors
10/2003
10/22/2003	EP1354007A1 Single-phase mixed crystals of laked monoazo dyes
10/15/2003	EP1352929A1 Process for the manufacture of liquid preparations of basic azo dyes
10/15/2003	EP1352928A1 Process for the manufacture of liquid preparations of basic azo dyes
10/11/2003	CA2424959A1 Preparation of liquid formulations of basic azo dyes
09/2003
09/24/2003	EP1347016A1 Organic pigment with high transparency and hydrophobicity
09/17/2003	CN1121454C Strong green shade yellow disazo pigment
08/2003
08/13/2003	EP1334156A1 Method of improving pigment fluorescence
06/2003
06/26/2003	WO2003052000A1 Method for producing fine-particle azo colorant preparations for ink jet printing
06/12/2003	WO2003048257A1 Organic solvent-free process for the preparation of 2-(2-nitrophenylazo)phenols
06/12/2003	CA2465398A1 Organic solvent-free process for the preparation of 2-(2-nitrophenylazo)phenols
05/2003
05/01/2003	US20030083410 Preparation of azo colorants in microreactors and their use in electrophotographic toners and developers, powder coatings, ink jet inks and electronic medias
04/2003
04/15/2003	US6548647 Process for preparing azo colorants
04/09/2003	CN1105151C Preparation of disperse azo dyestuffs in presence of alkoxylated acetylenic diols
03/2003
03/19/2003	CN1404511A Organic pigment with high transparency and hydrophobicity
03/13/2003	WO2003020414A1 Method and device for the process-attendant cleaning of micro- and mini-reactors
02/2003
02/27/2003	US20030040559 Organic pigment with high transparency and hydrophobicity
02/19/2003	CN1398282A Method for prodn. of azo dyes in microreactors
12/2002
12/18/2002	EP1104444B1 Strong green-shade yellow disazo pigment
12/05/2002	WO2002068540A3 Method and device for continuous redox adjustment in azoic couplings
11/2002
11/26/2002	CA2068825C Nitrogen-containing surface-active agents
11/20/2002	EP1257602A1 Method for production of azo dyes in microreactors
10/2002
10/30/2002	CN1377389A Method for synthesizing polymeric azo dyes
10/22/2002	US6469147 Preparation of azo colorants in microreactors
10/15/2002	CA2037135C Production of pigments
09/2002
09/19/2002	DE10108716A1 Verfahren und Vorrichtung zur kontinuierlichen Redox-Regelung bei Azokupplungen Method and apparatus for the continuous redox control in azo couplings
09/06/2002	WO2002068540A2 Method and device for continuous redox adjustment in azoic couplings
09/03/2002	CA2071434C Preparation of acetalized azo dyes
08/2002
08/20/2002	US6437104 Diazotization of aromatic amine, azo coupling to form an azocarboxylic acid or azodicarboxylic acid, formation of an azocarbonyl chloride or azodicarbonyl dichloride and condensation with aromatic diamine
08/14/2002	CN1089100C Process for preparing organic yellow benzimidazoleone pigments
08/01/2002	WO2002059217A1 Single-phase mixed crystals of laked monoazo dyes
08/01/2002	WO2002051943A8 Organic pigment with high transparency and hydrophobicity
08/01/2002	CA2434407A1 Single-phase mixed crystals of laked monoazo dyes
07/2002
07/17/2002	EP1222233A1 A method for synthesizing polymeric azo dyes
07/04/2002	WO2002051943A1 Organic pigment with high transparency and hydrophobicity
07/04/2002	CA2400877A1 Organic pigment with high transparency and hydrophobicity
05/2002
05/23/2002	WO2002040595A1 Method of improving pigment fluorescence
05/23/2002	US20020061473 Providing an azo coupled polymer; dissolving the azo coupled polymer in a solvent, and thereby producing an antireflective coating formulation which is suitable for use in photolithography

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