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by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines by reacting keto-groups with amines
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C09B43/32
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C
CHEMISTRY METALLURGY
C09
Paints, dyes
C09B
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES MORDANTS LAKES
C09B43/00
Preparation of azo dyes from other azo compounds
Current Industry
C09B43/32
by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines by reacting keto-groups with amines
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Patents Grants
last 30 patents
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Patent Grant
Dichroic dye compound, polarizing film, and uses thereof
Patent number
10,514,484
Issue date
Dec 24, 2019
Sumitomo Chemical Company, Limited
Noriyuki Hida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Electrowetting element
Patent number
10,444,489
Issue date
Oct 15, 2019
Amazon Technologies, Inc.
Robin Leguijt
G02 - OPTICS
Information
Patent Grant
Coloring composition, anisotropic light absorption film, laminate,...
Patent number
10,280,181
Issue date
May 7, 2019
FUJIFILM Corporation
Takashi Katoh
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Dye-based polarizer as well as polarizing plate and liquid crystal...
Patent number
10,007,142
Issue date
Jun 26, 2018
Nippon Kayaku Kabushiki Kaisha
Noriaki Mochizuki
G02 - OPTICS
Information
Patent Grant
Colored pigment particles for electrophoretic displays
Patent number
9,846,345
Issue date
Dec 19, 2017
EMPIRE TECHNOLOGY DEVELOPMENT LLC
Josef Peter Klein
G02 - OPTICS
Information
Patent Grant
Mono- and bis-hydrazone pigments
Patent number
7,193,067
Issue date
Mar 20, 2007
Terence Chamberlain
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Mono- and bis-hydrazone pigments
Patent number
7,148,335
Issue date
Dec 12, 2006
Sun Chemical Corporation
Terence Chamberlain
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Mono- and bis-hydrazone pigments
Patent number
7,132,518
Issue date
Nov 7, 2006
Sun Chemical Corporation
Terence Chamberlain
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Mono- and bis-hydrazone pigments
Patent number
7,105,646
Issue date
Sep 12, 2006
Sun Chemical Corporation
Terence Chamberlain
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Mono-and bis-hydrazone pigments
Patent number
6,965,019
Issue date
Nov 15, 2005
Sun Chemical Corporation
Terence Chamberlain
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Water-based ink
Patent number
6,730,780
Issue date
May 4, 2004
Kao Corporation
Shigemi Wakabayashi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
TETRAALKYL-SUBSTITUTED NITROGEN-CONTAINING HETERO RING-BONDED AZO D...
Patent number
6,444,020
Issue date
Sep 3, 2002
Fuji Photo Film Co., Ltd.
Nobuo Seto
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Preparation of disazo condensation pigments in microreactors
Patent number
6,437,104
Issue date
Aug 20, 2002
Clariant GmbH
Uwe Nickel
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Photoresist composition for use in color filters
Patent number
5,731,110
Issue date
Mar 24, 1998
Sumitomo Chemical Company, Limited
Yoshiki Hishiro
G02 - OPTICS
Information
Patent Grant
Azo dyes for use in color filters and method for production of colo...
Patent number
5,686,585
Issue date
Nov 11, 1997
Sumitomo Chemical Company, Limited
Yoshiki Hishiro
G02 - OPTICS
Information
Patent Grant
Disazo compounds containing cycloalkyl ester or cycloalkylamide groups
Patent number
5,298,609
Issue date
Mar 29, 1994
Ciba-Geigy Corporation
Stefan Hari
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Diazo dyes containing a hydroxy alkoxybenzene middle component and...
Patent number
5,288,858
Issue date
Feb 22, 1994
Ciba-Geigy Corporation
Jurgen Schaetzer
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Azo dyes with A2-aminothiophene dye azo component and a coupling co...
Patent number
5,270,456
Issue date
Dec 14, 1993
BASF Aktiengesellschaft
Erwin Hahn
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for the preparation of bisazo pigments in halogen-free solv...
Patent number
5,185,435
Issue date
Feb 9, 1993
Ciba-Geigy Corporation
Klaus Ruf
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Disazo compounds containing long-chain alkyl ester radicals or alky...
Patent number
5,071,967
Issue date
Dec 10, 1991
Ciba-Geigy Corporation
Stefan Hari
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Azo-pigment containing hydroxy naphthoic acid amide and an iminooxo...
Patent number
4,638,052
Issue date
Jan 20, 1987
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
Kimihide Kawamura
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Sulfoethylaminosulfonyl substituted disazo dyes
Patent number
4,558,121
Issue date
Dec 10, 1985
Ciba-Geigy Corporation
Alfred Fasciati
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Disazo compounds for dyeing cellulosic fibers
Patent number
4,542,208
Issue date
Sep 17, 1985
Nippon Kayaku Kabushiki Kaisha
Junji Odani
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Monoazo pigments containing hydroxynaphthoylamino benzimidazolone r...
Patent number
4,392,999
Issue date
Jul 12, 1983
Ciba-Geigy Corporation
Rolf Muller
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Monoazo pigments derived from substituted aminothiophenes
Patent number
4,263,205
Issue date
Apr 21, 1981
Ciba-Geigy Corporation
Stefan Hari
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Photographic products and processes employing novel dye developer c...
Patent number
4,250,238
Issue date
Feb 10, 1981
Eastman Kodak Company
Brian D. Baigrie
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photographic products and processes employing heterocyclic azo dye...
Patent number
4,248,956
Issue date
Feb 3, 1981
Eastman Kodak Company
Brian D. Baigrie
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Shifted photographic dyes and compositions, elements and processes...
Patent number
4,234,672
Issue date
Nov 18, 1980
Eastman Kodak Company
John A. Ford
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Monazo pigments containing hydroxynaphthoylaminobenzimidazalone rad...
Patent number
4,229,344
Issue date
Oct 21, 1980
Ciba-Geigy Corporation
Rolf Muller
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ortho-carboxyphenyl azo ortho-hydroxypyrazole yellow dyes having si...
Patent number
4,206,115
Issue date
Jun 3, 1980
Polaroid Corporation
Elbert M. Idelson
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
DYE-BASED POLARIZER AS WELL AS POLARIZING PLATE AND LIQUID CRYSTAL...
Publication number
20180074371
Publication date
Mar 15, 2018
Nippon Kayaku Kabushiki-Kaisha
Noriaki MOCHIZUKI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ELECTROWETTING ELEMENT
Publication number
20170003497
Publication date
Jan 5, 2017
AMAZON TECHNOLOGIES, INC.
Robin LEGUIJT
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COLORED PIGMENT PARTICLES FOR ELECTROPHORETIC DISPLAYS
Publication number
20160018716
Publication date
Jan 21, 2016
EMPIRE TECHNOLOGY DEVELOPMENT LLC
Josef Peter KLEIN
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Dyes and their use in ink-jet printing
Publication number
20080241394
Publication date
Oct 2, 2008
Fujifilm Imaging Colorants Limited
Gavin WRIGHT
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Application
Mono-and bis-hydrazone pigments
Publication number
20060009626
Publication date
Jan 12, 2006
Terence Chamberlain
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Mono- and bis-hydrazone pigments
Publication number
20050288494
Publication date
Dec 29, 2005
Terence Chamberlain
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Mono- and bis-hydrazone pigments
Publication number
20050288496
Publication date
Dec 29, 2005
Terence Chamberlain
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Mono- and bis-hydrazone pigments
Publication number
20050288495
Publication date
Dec 29, 2005
Terence Chamberlain
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Mono-and bis-hydrazone pigments
Publication number
20040039182
Publication date
Feb 26, 2004
Terence Chamberlain
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Water-based ink
Publication number
20030019392
Publication date
Jan 30, 2003
Shigemi Wakabayashi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Preparation of disazo condensation pigments in microreactors
Publication number
20020058794
Publication date
May 16, 2002
Clariant International Ltd.
Uwe Nickel
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL