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Friedhelm Eisenbeiss
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Griesheim, DE
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last 30 patents
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Patent Grant
Method for producing bead polymers
Patent number
6,492,471
Issue date
Dec 10, 2002
Merck Patent Gesellschaft mit beschraenkter Haftung
Friedhelm Eisenbeiss
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Modified chromatographic support materials
Patent number
6,074,555
Issue date
Jun 13, 2000
Merck Patent Gesellschaft mit beschrankter Haftung
Karl Siegfried Boos
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Chromatography column cartridge system
Patent number
5,194,225
Issue date
Mar 16, 1993
Merck Patent Gesellschaft mit beschrankter Haftung
Werner Muller
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Chromatography column
Patent number
4,280,905
Issue date
Jul 28, 1981
Merck Patent Gesellschaft mit beschrankter Haftung
Werner Gunkel
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Miniaturized analytical system
Publication number
20050077175
Publication date
Apr 14, 2005
Friedhelm Eisenbeiss
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL