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Christian Schumacher
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Kelkheim, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Mixtures of fiber-reactive azo dyes, their production and their use
Patent number
7,381,256
Issue date
Jun 3, 2008
DyStar Textilfarben GmbH & Co. Deutschland KG
Stefan Meier
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Dye mixture of water soluble fiber-reactive dyes, method for their...
Patent number
6,991,661
Issue date
Jan 31, 2006
DyStar Textilfarben GmbH & Co. Deutschland KG
Joachim Steckelberg
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Mixtures of fiber-reactive dyes, preparation thereof and use thereo...
Patent number
6,358,287
Issue date
Mar 19, 2002
DyStar Textilfarben GmbH & Co.
Stefan Ehrenberg
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Yellow dye mixtures comprising water-soluble fiber-reactive azo dye...
Patent number
6,238,442
Issue date
May 29, 2001
DyStar Textilfarben GmbH & Co. Deutschland KG
Christian Schumacher
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Dye mixtures comprising water-soluble fiber-reactive azo dyes, prep...
Patent number
6,228,131
Issue date
May 8, 2001
DyStar Textilfarben GmbH & Co. Deutschland KG
Bengt-Thomas Gröbel
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Dye mixtures of fiber-reactive azo dyes and use thereof for dyeing...
Patent number
6,190,423
Issue date
Feb 20, 2001
Dystar Textilfarben GmbH & Co.
Christian Schumacher
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Dye mixtures comprising water-soluble fiber-reactive azo dyes, prep...
Patent number
6,183,522
Issue date
Feb 6, 2001
Dystar Textilfarben GmbH & Co.
Werner Russ
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Dye mixtures of fiber-reactive azo dyes and their use
Patent number
6,168,636
Issue date
Jan 2, 2001
Dystar Textilfarben GmbH & Co. Deutschland KG
Bengt-Thomas Gröbel
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Dye mixture, process for it's preparation and use thereof
Patent number
6,165,231
Issue date
Dec 26, 2000
DyStar Textilfarben GmbH & Co Deutschland KG
Bengt-Thomas Grobel
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Dye mixtures of fiber-reactive azo dyes and use thereof for dyeing...
Patent number
6,159,251
Issue date
Dec 12, 2000
Dystar Textilfarbon GmbH & Co. Deutschland KG
Ron Pedemonte
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Dye mixture comprising water-soluble fiber-reactive azo dyes, prepa...
Patent number
6,136,045
Issue date
Oct 24, 2000
DyStar Textilfarben GmbH & Co. Deutschland KG
Ronald P. Pedemonte
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Black dye mixtures of fiber-reactive azo dyes and use thereof for d...
Patent number
6,086,639
Issue date
Jul 11, 2000
Dystar Textilfarben GmbH & Co. Deutschland KG
Joachim Steckelberg
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for reacting fluorine-substituted heterocycles with amines...
Patent number
6,080,858
Issue date
Jun 27, 2000
DyStar Textilfarben GmbH & Co. Deutschland KG
Christian Schumacher
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Dye mixtures of fiber-reactive azo dyes and use thereof for dyeing...
Patent number
6,051,037
Issue date
Apr 18, 2000
Dystar Textil Farben GmbH & Co. Deutschland KG
Ron Pedemonte
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for the preparation of triphendioxazine dyestuffs amidated...
Patent number
5,944,854
Issue date
Aug 31, 1999
Dystar Textilfarben GmbH & Co.
Christian Schumacher
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Water-soluble fiber-reactive dyes, process for their preparation, a...
Patent number
5,834,601
Issue date
Nov 10, 1998
DyStar Textilfarben GmbH & Co. Deutschland KG
Stefan Ehrenberg
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Fiber reactive polyazo dyes containing two urea groups
Patent number
5,831,039
Issue date
Nov 3, 1998
Dystar Textilfarben GmbH & Co. Deutschland KG
Christian Schumacher
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Dyestuff mixtures of fiber-reactive azo dyestuffs and their use for...
Patent number
5,780,602
Issue date
Jul 14, 1998
Pystar Textilfarben GmbH & Co. KG
Christian Schumacher
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for the preparation of 3-(N-Aryl-amino)-propyl-2'-sulfato-e...
Patent number
5,777,111
Issue date
Jul 7, 1998
Hoechst Aktiengesellschaft
Christian Schumacher
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fiber reactive azo dyes containing a 2-quinolone diazo component ra...
Patent number
5,770,709
Issue date
Jun 23, 1998
DyStar Textilfarben GmbH & Co Deutschland KG
Christian Schumacher
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Use of carbohydrate compounds as auxiliaries for dyeing and printin...
Patent number
5,766,267
Issue date
Jun 16, 1998
Hoechst Aktiengesellschaft
Christian Schumacher
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Triazinyl-substituted fiber-reactive azo dyes wherein the triazinyl...
Patent number
5,760,193
Issue date
Jun 2, 1998
DyStar Textilfarben GmbH & Co. Deutschland KG
Werner Hubert Russ
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
water-soluble, fiber-reactive anthraquinone compounds
Patent number
5,744,622
Issue date
Apr 28, 1998
Hoechst Aktiengesellschaft
Werner Hubert Russ
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for the preparation of triphendioxazine dyestuffs amidated...
Patent number
5,696,258
Issue date
Dec 9, 1997
DyStar Textilfarben GmbH
Christian Schumacher
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of 3-(N-aryl-amino)-propyl-2'-sulfatoet...
Patent number
5,672,738
Issue date
Sep 30, 1997
Hoechst Aktiengesellschaft
Christian Schumacher
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fiber-reactive anthraquinone dyes
Patent number
5,607,481
Issue date
Mar 4, 1997
Hoechst Aktiengesellschaft
Werner H. Russ
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Water-soluble triphendioxazine compounds and their use as dyestuffs
Patent number
5,585,489
Issue date
Dec 17, 1996
Hoechst AG
Werner H. Russ
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Water-soluble azo compounds, containing a diazo component with a he...
Patent number
5,539,088
Issue date
Jul 23, 1996
Hoechst Aktiengesellschaft
Christian Schumacher
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Triphendioxazine compounds, processes for their preparation and the...
Patent number
5,484,458
Issue date
Jan 16, 1996
Hoechst Aktiengesellschaft
Werner H. Russ
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
MIXTURES OF FIBRE-REACTIVE AZO DYES
Publication number
20090320217
Publication date
Dec 31, 2009
DyStar Textifarben GmbH & Co. Deutschland KG
Stefan Ehrenberg
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Mixtures Of Fiber-Reactive Azo Dyes, Their Production And Their Use
Publication number
20070209540
Publication date
Sep 13, 2007
DyStar Textilfarben GmbH & Co. Deutschland KG
Stefan Meier
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Mixtures of fiber-reactive azo dyes, production thereof and use the...
Publication number
20060117500
Publication date
Jun 8, 2006
DyStar Textilfarben GmbH & Co. Deutschland KG
Stefan Meier
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Dye mixture of water soluble, fiber-reactive dyes, method for their...
Publication number
20030204919
Publication date
Nov 6, 2003
Joachim Steckelberg
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...