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Karl-Heinz Drexhage
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Siegen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Polysulfonated fluorescence dyes
Patent number
11,180,657
Issue date
Nov 23, 2021
ATTO-TEC GmbH
Norbert Kemnitzer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Amine-substituted tricyclic fluorescent dyes
Patent number
9,651,490
Issue date
May 16, 2017
ATTO-TEC GmbH
Alexander Zilles
G01 - MEASURING TESTING
Information
Patent Grant
Sulfonamide derivatives of polycyclic dyes used for analytical appl...
Patent number
9,035,042
Issue date
May 19, 2015
ATTO-TEC GmbH
Alexander Zilles
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Sulfonamide derivatives of polycyclic dyes used for analytical appl...
Patent number
8,846,924
Issue date
Sep 30, 2014
ATTO-TEC GmbH
Alexander Zilles
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Carboxamide-substituted dyes for analytical applications
Patent number
8,785,637
Issue date
Jul 22, 2014
ATTO-TEC GmbH
Jutta Arden-Jacob
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Sulfonamide derivatives of polycyclic dyes used for analytical appl...
Patent number
8,614,317
Issue date
Dec 24, 2013
ATTO-TEC GmbH
Alexander Zilles
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Carboxamide-substituted dyes for analytical applications
Patent number
8,530,660
Issue date
Sep 10, 2013
ATTO-TEC GmbH
Jutta Arden-Jacob
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Carboxamide-substituted dyes for analytical applications
Patent number
7,935,822
Issue date
May 3, 2011
ATTO-TEC GmbH
Jutta Arden-Jacob
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Oxazine derivatives
Patent number
7,101,999
Issue date
Sep 5, 2006
Evotec AG
Joachim Fries
G01 - MEASURING TESTING
Information
Patent Grant
Carbopyronine fluorescent dyes
Patent number
6,828,159
Issue date
Dec 7, 2004
Karl-Heinz Drexhage
G01 - MEASURING TESTING
Information
Patent Grant
Amidopyrylium fluorescence dyes
Patent number
6,737,280
Issue date
May 18, 2004
Karl-Heinz Drexhage
Karl-Heinz Drexhage
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method for optical detection of analyte molecules in a natural biol...
Patent number
6,384,914
Issue date
May 7, 2002
Karl-Heinz Drexhage
G01 - MEASURING TESTING
Information
Patent Grant
Rhodamine derivatives and the use thereof
Patent number
6,184,379
Issue date
Feb 6, 2001
Roche Diagnostics GmbH
Hans-Peter Josel
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Pentacyclic compounds and their use as absorption or fluorescent dyes
Patent number
5,750,409
Issue date
May 12, 1998
Boehringer Mannheim GmbH
Rupert Herrmann
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Cyanine dyes
Patent number
5,214,164
Issue date
May 25, 1993
Kubler; Herbert
Karl-Heinz Drexhage
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for replacing anions or organic cationic salts
Patent number
4,524,204
Issue date
Jun 18, 1985
Eastman Kodak Company
Karl H. Drexhage
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
NOVEL POLYSULFONATED FLUORESCENCE DYES
Publication number
20190322870
Publication date
Oct 24, 2019
ATTO-TEC GMBH
Norbert Kemnitzer
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
NOVEL POLYSULFONATED FLUORESCENCE DYES
Publication number
20190100653
Publication date
Apr 4, 2019
ATTO-TEC GMBH
Norbert Kemnitzer
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
CARBOXAMIDE-SUBSTITUTED DYES FOR ANALYTICAL APPLICATIONS
Publication number
20130323851
Publication date
Dec 5, 2013
ATTO-TEC GMBH
Jutta Arden-Jacob
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Novel Amine-Substituted Tricyclic Fluorescent Dyes
Publication number
20130224871
Publication date
Aug 29, 2013
ATTO-TEC GMBH
Alexander Zilles
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
CARBOXAMIDE-SUBSTITUTED DYES FOR ANALYTICAL APPLICATIONS
Publication number
20110223677
Publication date
Sep 15, 2011
ATTO-TEC GMBH
Jutta Arden-Jacob
C07 - ORGANIC CHEMISTRY
Information
Patent Application
SULFONAMIDE DERIVATIVES OF POLYCYCLIC DYES USED FOR ANALYTICAL APPL...
Publication number
20110190486
Publication date
Aug 4, 2011
ATTO-TEC GMBH
Alexander Zilles
C07 - ORGANIC CHEMISTRY
Information
Patent Application
SULFONAMIDE DERIVATIVES OF POLYCYCLIC DYES USED FOR ANALYTICAL APPL...
Publication number
20110172420
Publication date
Jul 14, 2011
ATTO-TEC GMBH
Alexander Zilles
C07 - ORGANIC CHEMISTRY
Information
Patent Application
OXAZINE DERIVATIVES
Publication number
20060240455
Publication date
Oct 26, 2006
Joachim Fries
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Sulfonamide derviatives of polycyclic dyes used for analytical appl...
Publication number
20060179585
Publication date
Aug 17, 2006
ATTO-TEC GMBH
Alexander Zilles
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Carboxamide-substituted dyes for analytical applications
Publication number
20060154251
Publication date
Jul 13, 2006
Jutta Arden-Jacob
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Oxazine derivatives
Publication number
20040029837
Publication date
Feb 12, 2004
Joachim Fries
C07 - ORGANIC CHEMISTRY
Information
Patent Application
New oxazine dyes and their use as fluorescent markers
Publication number
20030224421
Publication date
Dec 4, 2003
Rupert Herrmann
G01 - MEASURING TESTING