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Wolfgang Fischer
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Darmstadt, DE
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last 30 patents
Information
Patent Grant
Method for the determination of iodide
Patent number
5,939,328
Issue date
Aug 17, 1999
Merck Patent Gesellschaft mit beschrankter Haftung
Wolfgang Fischer
G01 - MEASURING TESTING
Information
Patent Grant
Indicators for determining the proton concentration of strongly alk...
Patent number
5,747,656
Issue date
May 5, 1998
Merck Patent Gesellschaft Mit Beshrankter Haftung
Wolfgang Fischer
C07 - ORGANIC CHEMISTRY
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
Process for the preparation of alkylene-bis(2-pyridylamine) compoun...
Patent number
5,086,000
Issue date
Feb 4, 1992
Merck Patent Gesellschaft mit beschrankter Haftung
Rolf Pohlke
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method and reagent for the determination of peracids
Patent number
4,900,682
Issue date
Feb 13, 1990
Merck Patent Gesellschaft 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
Information
Patent Grant
Method for the determination of leukemic cells
Patent number
4,390,518
Issue date
Jun 28, 1983
Merck Patent Gesellschaft mit beschrankter Haftung
Wolfgang Fischer
G01 - MEASURING TESTING
Information
Patent Grant
Thin cover sheet for use in microscopic staining and a process for...
Patent number
4,302,480
Issue date
Nov 24, 1981
Merck Patent Gesellschaft mit beschrankter Haftung
Wolfgang Fischer
G02 - OPTICS
Information
Patent Grant
Agent and process for carrying out colorimetric or photometric dete...
Patent number
4,275,031
Issue date
Jun 23, 1981
Merck Patent Gesellschaft mit beschrankter Haftung
Wolfgang Fischer
G01 - MEASURING TESTING