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Karl-Dieter Krenn
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Pfungstadt, DE
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Patents Grants
last 30 patents
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Patent Grant
Detection of peroxidase activity in milk or milk products
Patent number
7,001,741
Issue date
Feb 21, 2006
Merck Patent GmbH
Dieter Tanzer
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Method and agent for determining total water hardness
Patent number
6,994,973
Issue date
Feb 7, 2006
Merck Patent GmbH
Karl-Dieter Krenn
G01 - MEASURING TESTING
Information
Patent Grant
Karl-Fischer reagent, kit, and a process for the determination of w...
Patent number
5,102,804
Issue date
Apr 7, 1992
Merck Patent Gellschaft mit beschrankter Haftung
Wolfgang Fischer
G01 - MEASURING TESTING
Information
Patent Grant
Solvent and method for the Karl-Fischer determination of water
Patent number
4,874,709
Issue date
Oct 17, 1989
Merck Patent Gesellschaft mit beschrankter Haftung
Wolfgang Fischer
G01 - MEASURING TESTING
Information
Patent Grant
Solvent composition for the determination of water by the Karl Fisc...
Patent number
4,851,352
Issue date
Jul 25, 1989
Merck Patent Gesellschaft mit beschrankter Haftung
Wolfgang Fischer
G01 - MEASURING TESTING
Information
Patent Grant
Pyridine-free Karl-Fischer reagent and a process for the determinat...
Patent number
4,748,126
Issue date
May 31, 1988
Riedel-de Haen Ag.
Wolfgang Fischer
G01 - MEASURING TESTING
Information
Patent Grant
Karl-Fischer reagent and process for the determination of water
Patent number
4,703,014
Issue date
Oct 27, 1987
Merck Patent Gesellschaft mit beschrankter Haftung
Wolfgang Fischer
G01 - MEASURING TESTING
Information
Patent Grant
Karl Fischer reagent and method for determining water by means of t...
Patent number
4,647,542
Issue date
Mar 3, 1987
Merck Patent Gesellschaft mit beschrankter Haftung
Wolfgang Fischer
G01 - MEASURING TESTING
Information
Patent Grant
Karl-Fischer reagent and procedure for the determination of water u...
Patent number
4,550,083
Issue date
Oct 29, 1985
Merck Patent Gesellschaft mit beschrankter Haftung
Wolfgang Fischer
G01 - MEASURING TESTING
Information
Patent Grant
Pyridine-free Karl Fischer reagent useful in determining water
Patent number
4,416,997
Issue date
Nov 22, 1983
Merck Patent Gesellschaft mit beschrankter Haftung
Wolfgang Fischer
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Means and method for determining the content of sulfurous acid in l...
Publication number
20040147036
Publication date
Jul 29, 2004
Karl-Dieter Krenn
G01 - MEASURING TESTING
Information
Patent Application
Method and agent for determining total water hardness
Publication number
20040033484
Publication date
Feb 19, 2004
Karl-Dieter Krenn
G01 - MEASURING TESTING