Patents for C09B 59 - Artificial dyes of unknown constitution (95)
04/2014
04/29/2014US8710270 Substituted phenylsulfur trifluoride and other like fluorinating agents
05/2013
05/01/2013CN103074640A Method for synthesizing monascus yellow pigment through direct electroreduction of monascus red pigment
04/2013
04/30/2013US8431748 Low protonation constant hydroxy acids
10/2012
10/10/2012EP2508570A2 Organic metal dye, and photoelectric element and dye-sensitized solar cell using the organic metal dye
04/2012
04/12/2012WO2012047212A1 Modified bodipy dye matrix
11/2011
11/16/2011CN102245711A Novel organic dye containing trialkoxysilyl group and method for preparing same
11/03/2011WO2011068346A3 Organic metal dye, and photoelectric element and dye-sensitized solar cell using the organic metal dye
09/2011
09/13/2011US8017656 Organic sulfur compounds and use thereof
06/2011
06/09/2011WO2011068346A2 Organic metal dye, and photoelectric element and dye-sensitized solar cell using the organic metal dye
05/2011
05/17/2011US7943669 Phenoxy acetic acids as PPAR delta activators
09/2010
09/30/2010WO2010067996A3 Novel organic dye containing trialkoxysilyl group and method for preparing same
06/2010
06/17/2010WO2010067996A2 Novel organic dye containing trialkoxysilyl group and method for preparing same
07/2009
07/16/2009WO2008129215A3 Modification of the color hue of anthocyanins for the obtention of coloring substances
05/2009
05/19/2009CA2326364C Method for conditioning organic pigments
12/2008
12/31/2008EP1413606B1 Black perylene pigment and process for producing the same
12/10/2008EP1413605B1 Black perylene pigment and process for producing the same
10/2008
10/30/2008CA2679459A1 Modification of the color hue of anthocyanins for the obtention of coloring substances
10/14/2008US7435852 Methods of producing a conjugated oligomer exhibiting supramolecular π-conjugation extension, and resulting products of such methods
07/2007
07/11/2007EP1806626A1 Modified nigrosine and process for producing the same, and electrostatic charge image developing toner using said modified nigrosine
09/2006
09/12/2006US7105046 Calcining a diimide derivative of perylene in a vacuum or inert gas; excellant blackness, heat resistance, weather fastness, electrical resistance
08/2006
08/01/2006US7083675 Black perylene-based pigment and process for producing the same
01/2006
01/26/2006US20060017045 Adding enough organic dopant (dodecylbenzenesulfonic acid) to molecules (aniline trimer oligimer) to cause self-assembly of the supramolecular assembly; the molecule to dopant molar ratio is beyond the theoretical fully-doped molar ratio; design of nanoscale devices
01/12/2006WO2005105929A3 METHODS OF PRODUCING A CONJUGATED OLIGOMER EXHIBITING SUPRAMOLECULAR π-CONJUGATION EXTENSION, AND RESULTING PRODUCTS OF SUCH METHODS
11/2005
11/16/2005CN1227300C Process for conditioning organic pigment
11/10/2005WO2005105929A2 METHODS OF PRODUCING A CONJUGATED OLIGOMER EXHIBITING SUPRAMOLECULAR π-CONJUGATION EXTENSION, AND RESULTING PRODUCTS OF SUCH METHODS
06/2005
06/01/2005CN1204204C Process for producing pheomelanine by Maillard reaction of amino-acid with glucose
03/2005
03/10/2005WO2005021657A1 Nigrosine dye and process for producing the same
03/02/2005EP1510555A1 8-(anilino)-1-naphthalenesulfonate analogs and their use in analyte detection assays
02/2005
02/23/2005EP1224240B1 8-(anilino)-1-naphthalenesulfonate analogs and their use in analyte detection assays
01/2005
01/27/2005US20050016420 Black perylene pigment and process for producing the same
12/2004
12/23/2004US20040255821 solid solution of at least 2 compounds of anhydrides of perylene tetracarboxylic acid, diimide derivatives of perylene tetracarboxylic acid and diimide derivatives of perylene diiminodicarboxylic acid, calcining produces new crystal structure; heat resistance, weather resistance
04/2004
04/28/2004EP1413606A1 Black perylene pigment and process for producing the same
04/28/2004EP1413605A1 Black perylene pigment and process for producing the same
03/2004
03/03/2004EP1255893B1 Fluorescent agents
10/2003
10/22/2003CN1450122A Process for producing pheomelanine by Maillard reaction of amino-acid with glucose
04/2003
04/23/2003CN1413235A 8-(Anilino)-1-naphthalenesulfonate analogs and their use in analyte detection assays
04/01/2003US6540820 Polymer soluble color agent for coloring toners, powders and powder coating materials as well as for coloring ink-jet inks; heat stability and light fastness
02/2003
02/06/2003WO2003010242A1 Black perylene pigment and process for producing the same
02/06/2003WO2003010241A1 Black perylene pigment and process for producing the same
11/2002
11/28/2002WO2002094941A1 Process for producing black pigment
11/13/2002EP1255893A1 Fluorescent agents
07/2002
07/24/2002EP1224240A1 8-(anilino)-1-naphthalenesulfonate analogs and their use in analyte detection assays
06/2002
06/25/2002US6410619 Method for conditioning organic pigments
05/2002
05/08/2002CN1084357C Dye composition containing laccase its application in keration fibre dyeing and method for dyeing keratin fibre
11/2001
11/22/2001US20010042492 Milling a mixture of crude organic pigments, acrylic copolymer dispersant(s), and a milling liquid in which the pigment is insoluble, isolating the pigment; reduced health, cost and environmental risks
07/2001
07/12/2001WO2001049934A1 Fluorescent agents
07/12/2001CA2395767A1 Fluorescent agents
06/2001
06/06/2001CN1297967A Process for conditioning organic pigment
05/2001
05/30/2001EP1103580A1 Method for conditioning organic pigments
05/30/2001EP0865465B1 Laccases with improved dyeing properties
05/03/2001WO2001030915A1 8-(anilino)-1-naphthalenesulfonate analogs and their use in analyte detection assays
05/03/2001CA2385923A1 8-(anilino)-1-naphthalenesulfonate analogs and their use in analyte detection assays
04/2001
04/17/2001US6218571 8-(anilino)-1-naphthalenesulfonate analogs
12/2000
12/20/2000EP1061103A2 Heterocyclic compounds and their use as polymer colorant
05/2000
05/31/2000EP0627008B1 Method for the preparation of melanic pigments by bioconversion
02/2000
02/15/2000CA1340899C Procede de preparation de complexes nitruro 99m tc, 186 re ou 188 re utilisables comme produits radiopharmaceutiques
07/1999
07/13/1999US5922085 Preparation of a dye for coloring protein-based fibers and cellulose-based materials from the oxidation products of the manufacture of a triphenylmethane dye
04/1999
04/21/1999EP0909794A1 Preparation of a dye for coloring protein-based fibers and cellulose-based materials from the oxidation by-products of the manufacture of a triphenylmethane dye
03/1999
03/30/1999CA2246032A1 Preparation of a dye for coloring protein-based fibers and cellulose-based materials from the oxidation products of the manufacture of a triphenylmethane dye
12/1998
12/30/1998CN1203615A Laccases with improved dyeing properties
09/1998
09/23/1998EP0865465A1 Laccases with improved dyeing properties
06/1997
06/05/1997WO1997019999A1 Laccases with improved dyeing properties
06/05/1997CA2238697A1 Laccases with improved dyeing properties
11/1996
11/05/1996US5571700 Process for preparing melanin pigments by bioconversion and use of the pigments obtained in cosmetics
12/1994
12/07/1994EP0627008A1 Method for the preparation of melanic pigments by bioconversion and utilization of the resulting pigments in cosmetics
06/1994
06/09/1994WO1994012653A1 Method for the preparation of melanic pigments by bioconversion and utilization of the resulting pigments in cosmetics
06/09/1994CA2128226A1 Process for the preparation of melanotic pigments by bioconversion and cosmetic use of thereof
04/1994
04/05/1994US5300278 Binding antibodies
02/1993
02/10/1993EP0403524B1 Preparation of nitruro compounds usable as radio-pharmaceutical products
12/1990
12/27/1990EP0403524A1 Preparation of nitruro compounds usable as radio-pharmaceutical products.
10/1989
10/19/1989WO1989008657A3 Preparation of nitruro compounds usable as radio-pharmaceutical products
09/1989
09/21/1989WO1989008657A2 Preparation of nitruro compounds usable as radio-pharmaceutical products
02/1989
02/07/1989US4803160 Use of polymeric mordants to increase the intensity of rigid fluorescent dyes
08/1987
08/05/1987EP0231127A2 Composition, element and method using polymeric mordants to increase the intensity of rigid fluorescent dyes
07/1985
07/23/1985CA1190929A1 Process for dyeing high-molecular organic material, and novel polycyclic pigments
12/1984
12/25/1984US4490542 1,4-Diketo-pyrrolo[3,4-c]pyrroles
12/1983
12/13/1983US4420637 Meta-phenylenediamines
11/1983
11/15/1983US4415685 Process for dyeing high-molecular organic material, and novel polycyclic pigments
09/1983
09/06/1983US4402701 Leather dyeing agents and their preparation: membrame separation of dye mother liquor
03/1983
03/15/1983US4376859 Reacting aniline with nitrobenzene in presence of iron chloride catalysts
10/1982
10/12/1982CA1133480A1 Sulfoarylated nigrosine dye and use in jet-printing inks
09/1982
09/29/1982EP0061426A1 Process for colouring highly molecular organic material and polycyclic pigments
05/1982
05/11/1982US4329504 Couplers for dyes, hair dyes
04/1982
04/21/1982EP0049802A1 Dyeing material for leather and its preparation
01/1982
01/05/1982CA1115727A1 Metaphenylenediamines and tinctorial compositions holding same
12/1981
12/08/1981CA1113962A1 Metaphenylenediamines and tinctorial compositions containing the same
08/1981
08/18/1981US4284774 Sulfoarylated nigrosine dye and use in jet-printing inks
07/1981
07/22/1981EP0032240A2 Process for the manufacture of anilin condensation dyestuffs
07/07/1981US4277244 Dye compositions for keratinic fibers containing paraphenylenediamines
06/1981
06/09/1981CA1102701A1 Paraphenyldiamines and tinctorial compositions containing same, for keratinic fibres
05/1981
05/20/1981EP0028699A2 Sulfoarylated nigrosine base, process for preparing this compound, and the jet print ink compositions containing it
03/1981
03/31/1981US4259261 Oxidation color dyes for hair
11/1978
11/14/1978US4125367 Metaphenylenediamines and dyeing compositions containing the same
11/1977
11/01/1977US4056530 From aniline and a nitrobenzene or alkylaniline or diazoaminobenzene, catalyst
02/1977
02/15/1977US4008212 Monoazo dye mixtures derived from 7-amino-4-nitrobenzotriazole and bis-hydroxyalkylamino acylanilides reacted with acid halides and amides