Patents for C09B 7 - Indigoid dyes (453)
04/2007
04/26/2007DE102005050511A1 Verfahren zur Herstellung von feinteiligem CI Pigment Red 254 A process for the preparation of finely divided CI Pigment Red 254
04/11/2007CN1310043C Colored composition for color filter and display using color filters formed of the colored composition
04/04/2007CN1942528A Process for dyeing
03/2007
03/07/2007EP1578871B1 Dye compositions for dyeing or printing of fibre products comprising cellulose acetate
03/01/2007DE102005040468A1 Mediatorsysteme zur elektrochemischen Reduktion organischer Verbindungen in wässriger Lösung Mediator systems for the electrochemical reduction of organic compounds in aqueous solution
01/2007
01/25/2007DE10328369B4 Optisches Aufzeichnungsmedium hoher Dichte und Verfahren zu seiner Herstellung The optical recording medium of high density and methods for its preparation
12/2006
12/27/2006EP1735384A1 Process for dyeing
12/13/2006CN1878906A Process for dyeing cellulosic fibre materials with at least two vat dyes
10/2006
10/19/2006US20060230554 Cyanin-type compounds having an alkynyl linker arm
09/2006
09/27/2006EP1705227A2 New dyestuffs and colorants with specific carbonyl compounds
09/12/2006US7105562 2-methyl-6-[2-oxo-1,2-dihydro-indol-(3Z)-ylidene]1,4,5,6-tetrahydro-cyclopenta[b]pyrrole-3-carboxylic acid ethyl ester; disorders related to abnormal PK activity;
08/2006
08/17/2006DE102005006214A1 Verfahren zur elektrochemischen Entfärbung von Indigo aus wässrigen Dispersionen Process for the electrochemical decolorization of indigo from aqueous dispersions
08/16/2006EP1689928A1 Process for dyeing cellulosic fibre materials with at least two vat dyes
08/09/2006CN1814670A Method for producing idigo by cyclic utilization of non-reacted raw materials
06/2006
06/14/2006EP1587877B1 Beta-isoindigo coloring agent
06/08/2006US20060118004 Pigment formulations and processes for their preparation
06/07/2006EP1558683B1 Pigment formulations and processes for their preparation
05/2006
05/30/2006US7052541 Comprises organic pigment/dye complexed to the surface of a layered or fibrous inorganic clay; paints
03/2006
03/16/2006WO2006028285A1 Intermediate chemical substance in pigment crystal production stage, process for producing pigment crystal from the same, and crystalline pigment
03/02/2006US20060042029 Dye compositions for dyeing or printing of fibre products comprising celluloseacetate
02/2006
02/16/2006DE19605534B4 Verfahren zur Herstellung von Indigokonzentrat A process for the preparation of indigo concentrate
01/2006
01/25/2006CN1726261A Dye compositions for dyeing or printing of fibre products comprising celluloseacetate
01/18/2006CN1723249A Pigment formulations and processes for their preparation
10/2005
10/26/2005EP1534786A4 Color compositions
09/2005
09/28/2005EP1578871A1 Dye compositions for dyeing or printing of fibre products comprising cellulose acetate
09/28/2005CN1675312A Color compositions
08/2005
08/03/2005EP1558683A1 Pigment formulations and processes for their preparation
08/03/2005CN1213107C Method for producing aqueous alkaline solutions of reduced indigoid dyes
07/2005
07/07/2005US20050148690 Coloring composition
06/2005
06/01/2005EP1534786A1 Color compositions
06/01/2005CN1204202C Usage of indophenol salt in direct dyeing in situ
05/2005
05/19/2005WO2005045124A1 Process for dyeing cellulosic fibre materials with at least two vat dyes
05/11/2005CN1200978C Coloring composition
03/2005
03/09/2005CN1591052A Colored composition for color filter and display using color filters formed of the colored composition
03/09/2005CN1192009C Soluble chromophore containing solubilizing group easy to be removed
03/03/2005US20050048224 optical filters comprising polyamic acids, coloring agent and solvents, having high contrast, color purity and improved transmittance for blue colors
03/02/2005CN1191307C Process for preparing indigo and its intermediate
02/2005
02/02/2005CN1187329C Preparation method of 3-oxyindole derivative for synthesizing indigo
02/02/2005CN1187328C Method for synthesizing indigo by using N-substituted glycine or glycine ester
01/2005
01/27/2005US20050019711 Capable of decoloring through off-resonant absorption
12/2004
12/28/2004US6835242 Thermally treating a liquid prepigment suspension in a microreactor
07/2004
07/27/2004US6767448 Electrochemical treatment with low level of charge transfer agent; sulfate and sulfite free
07/15/2004WO2004058898A1 A process for dyeing directly a textile fabric in situ
07/15/2004US20040138436 Pigments for coloring ink jets on porous material for waterproofing and light fastness, with anthraquinone dyes. Process of coloring a porous material such as wood
07/08/2004WO2004056925A1 Dye compositions for dyeing or printing of fibre products comprising celluloseacetate
07/08/2004CA2503903A1 Dye compositions for dyeing or printing of fibre products comprising celluloseacetate
05/2004
05/26/2004CN1498921A Usage of indophenol salt in direct dyeing in situ
05/13/2004WO2004039895A1 Pigment formulations and processes for their preparation
05/06/2004WO2004000946A9 Color compositions
05/06/2004EP1416018A1 Pigment formulations and processes for their preparation
03/2004
03/31/2004CN1143880C Concentrated leucoindigo solutions
03/25/2004WO2004024826A2 Method for the production of high-purity indigo
01/2004
01/28/2004EP1383837A1 Water-soluble salt of sulfonamides as colorants for the pigmenting of porous materials and for use in inkjet printing
01/22/2004US20040011254 Comprises organic pigment/dye complexed to the surface of a layered or fibrous inorganic clay; paints
01/13/2004US6676737 Water based ink composition and image forming method
01/07/2004CN1465625A Method for producing indigo
01/07/2004CN1465624A Method for producing indigo
12/2003
12/31/2003WO2004000946A1 Color compositions
12/31/2003CA2489694A1 Color compositions
11/2003
11/18/2003US6649758 Heating, pressurization
10/2003
10/28/2003US6638996 Pigment for warpage-free polyolefins coloration
09/2003
09/04/2003US20030164118 Conditioning of organic pigments
07/2003
07/03/2003US20030121113 Oxobenzofuranylide-dihydroindolone
07/02/2003EP1177258B1 Method for producing aqueous alkaline solutions or reduced indigoid dyes
05/2003
05/13/2003US6562121 Thermally treating a liquid prepigment suspension in a microreactor
04/2003
04/16/2003EP0975697B1 Thiazine indigo pigments, solid solutions thereof and their preparation
04/09/2003EP0792257B1 Material for dichroic light polarizers
02/2003
02/05/2003EP1281731A1 Coloring composition
01/2003
01/15/2003CN1390888A Process for preparing indigo and its intermediate
01/07/2003US6503937 Coloring agents for high molecular weight materials such as polymers
12/2002
12/18/2002CN1386133A Coloring composition
11/2002
11/27/2002EP1123289B1 Oxobenzofuranylide-dihydroindolones
11/26/2002US6486332 Fluorescent pigments
11/19/2002US6482817 Hybrid pigments
10/2002
10/31/2002WO2002085988A1 Water-soluble salt of sulfonamides as colorants for the pigmenting of porous materials and for use in inkjet printing
10/29/2002US6472527 New heterocyclic compounds are disclosed which are used as intermediates for the preparation of trans-thiazine-indigo pigments which are in part new compounds and can be used for the mass pigmentation of organic substrates.
09/2002
09/18/2002CN1091097C Process for preparing N-substuted glacinic acids or glycinic esters
09/05/2002US20020123005 For adding to solid resin
08/2002
08/06/2002US6428581 Concentrated leucoindigo solutions
05/2002
05/15/2002EP1015518B1 Isoxindigos useful as colorants and preparation thereof
05/15/2002CN1084770C Leuco vat dye prepns. in granular form
04/2002
04/10/2002CN1344292A Method for producing aqueous alkaline solutions or reduced indigoid dyes
03/2002
03/27/2002EP1097184B1 Concentrated leucoindigo solutions
03/19/2002US6359122 Quinacridone, indigo, dioxazine or azo dyes
02/2002
02/27/2002EP0720647B1 Recovery of insoluble indigo
02/07/2002US20020014179 Thermally treating a liquid prepigment suspension in a microreactor
02/06/2002EP1177258A1 Method for producing aqueous alkaline solutions or reduced indigoid dyes
01/2002
01/15/2002US6339084 Process for the production of thiazine-indigo pigments
01/10/2002US20020004596 Heating, pressurization
01/10/2002DE10031558A1 Verfahren zur Konditionierung von organischen Pigmenten A process for conditioning organic pigments
01/09/2002CN1330116A Conditioning of organic pigment
01/03/2002DE10030475A1 Verfahren zur Herstellung von trans-Thiazinindigo-Pigmenten The method for producing trans-thiazine-indigo pigments
01/02/2002EP1167461A2 Process for conditioning organic pigments
01/02/2002EP1167459A1 Process for the preparation of trans-thiazine-indigo pigments
01/02/2002CN1328998A Preparation method of 3-oxyindole derivative for synthesizing indigo
01/02/2002CN1328997A Method for synthesizing indigo by using N-substituted glycine or glycine ester
12/2001
12/19/2001EP0900255B1 Donor-substituted oxindigo derivatives and their use as colourants
11/2001
11/28/2001EP1158321A2 Dichroic light polarizers with non-periodic arrangement of different polarizing elements
11/28/2001EP1158320A2 Dichroic light polarizers
11/28/2001CN1324355A Oxobenzofuranylide-dihydroindolone
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