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Stefan Ehrenberg
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Koln, DE
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Patents Grants
last 30 patents
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Patent Grant
Mono-, di-or trichromatic dyeing or printing of natural or syntheti...
Patent number
7,468,081
Issue date
Dec 23, 2008
Dystar Textilfarben GmbH & Co. Deutschland KG
Stefan Ehrenberg
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Reactive triphendioxazine dyes, methods for the production thereof,...
Patent number
7,414,129
Issue date
Aug 19, 2008
DyStar Textilfarben GmbH & Co. Deutschland KG
Stefan Ehrenberg
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Mono-, Di- or Trichromatic Dyeing or Printing of Natural or Synthe...
Patent number
7,381,228
Issue date
Jun 3, 2008
DyStar Textilfarben GmbH & Co. Deutschland KG
Stefan Ehrenberg
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Reactive azo dyes, their preparation and their use
Patent number
7,129,336
Issue date
Oct 31, 2006
DyStar Textilfarben GmbH & Co. Deutschland KG
Stefan Ehrenberg
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Water-soluble reactive mono- and di-azo dyes
Patent number
7,109,313
Issue date
Sep 19, 2006
DyStar Textilfarben GmbH & Co. Deutschland KG
Stefan Meier
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Metal complex dyes based on Bucherer naphthols
Patent number
6,809,187
Issue date
Oct 26, 2004
Oystar Textil Farben GmbH & Co.
Stefan Ehrenberg
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Water-soluble fiber-reactive dyes preparation thereof and use thereof
Patent number
6,444,794
Issue date
Sep 3, 2002
DyStar Textilfarben GmbH & Co. Deutschland KG
Jörg Dannheim
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
Monoaso compounds containing a fluoro-triazinyl group linked with a...
Patent number
6,124,441
Issue date
Sep 26, 2000
DyStar Textilfarben GmbH & Co. Deutschland KG
Stefan Ehrenberg
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Water-soluble fiber-reactive dyes, processes for their preparation,...
Patent number
6,060,591
Issue date
May 9, 2000
Dy Star Textilfarben GmbH & Co. Deutschland KG
Wilfried Hansmann
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Water-soluble fiber-reactive dyes, preparation thereof and use thereof
Patent number
6,046,311
Issue date
Apr 4, 2000
Dystar Textilfarben GmbH & Co. Deutschland KG
Wilfried Hansmann
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Triphendioxazine reactive dyestuff
Patent number
5,880,282
Issue date
Mar 9, 1999
Bayer Aktiengesellschaft
Wolfgang Harms
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
Process for preparing 2,4,6-trichloropyrimidine
Patent number
5,712,394
Issue date
Jan 27, 1998
Bayer Aktiengesellschaft
Wilfried Hansmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Reactive dyestuffs based on a substituted barbituric acid
Patent number
5,502,174
Issue date
Mar 26, 1996
Bayer Aktiengesellschaft
Stefan Ehrenberg
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bifunctional reactive dyestuff mixture
Patent number
5,460,631
Issue date
Oct 24, 1995
Bayer Aktiengesellschaft
Manfred Hoppe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
MULTIPLE STEP DYEING TEXTILE WITH CONCENTRATED DYE SYSTEMS
Publication number
20110173764
Publication date
Jul 21, 2011
DyStar Colours Deutschland GmbH
Stefan Ehrenberg
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COLORED ORGANOPOLYSILOXANES
Publication number
20100016519
Publication date
Jan 21, 2010
Werner Russ
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
COLOURED ORGANOPOLYSILOXANES
Publication number
20090209743
Publication date
Aug 20, 2009
Roxana Barbieru
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Reactive Triphendioxazine Dyes, Methods for the Production Thereof,...
Publication number
20080114166
Publication date
May 15, 2008
DyStar Textilfarben GmbH & Co. Deutschland KG
Stefan Ehrenberg
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Mono-, Di- or Trichromatic Dyeing or Printing of Natural or Synthet...
Publication number
20070199163
Publication date
Aug 30, 2007
DyStar Textilfarben GmbH & Co. Deutschland KG
Stefan Ehrenberg
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Application
Mono-, Di- or Trichromatic Dyeing or Printing of Natural or Synthet...
Publication number
20070199162
Publication date
Aug 30, 2007
DyStar Textilfarben GmbH & Co. Deutschland KG
Stefan Ehrenberg
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Application
Reactive azo dyes, their preparation and their use
Publication number
20050159592
Publication date
Jul 21, 2005
DyStar Textilfarben GmbH & Co. Deutschland KG
Stefan Ehrenberg
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Water-soluble reactive mono- and di-azo dyes
Publication number
20050148764
Publication date
Jul 7, 2005
DyStar Textilfarben GmbH & Co. Deutschland KG
Stefan Meier
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Mono-, di-or trichromatic dyeing or printing of natural or syntheti...
Publication number
20050060819
Publication date
Mar 24, 2005
DyStar Textilfarben GmbH & Co. Deutschland KG
Stefan Ehrenberg
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Application
Metal complex dyes based bucherered naphthols
Publication number
20040054154
Publication date
Mar 18, 2004
Stefan Ehrenberg
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Inkjet dyes
Publication number
20030177944
Publication date
Sep 25, 2003
Klaus Kunde
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...