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Rolf Siegel
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Wurzburg, DE
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Patents Grants
last 30 patents
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Patent Grant
Foamed molded bodies made from silicon and use of said produced pro...
Patent number
6,855,740
Issue date
Feb 15, 2005
Stuemed GmbH
Rolf Siegel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for rendering contact lenses hydrophilic
Patent number
5,408,280
Issue date
Apr 18, 1995
Ciba-Geigy Corporation
Harro M. von der Haegen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Materials and method for immobilizing biologically active substances
Patent number
4,828,996
Issue date
May 9, 1989
Rolf Siegel
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Patents Applications
last 30 patents
Information
Patent Application
Method for welding foam particles
Publication number
20210395471
Publication date
Dec 23, 2021
Kurtz GmbH
Rolf Siegel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Foamed moulded bodies made from silicon and use of said produced pr...
Publication number
20040157943
Publication date
Aug 12, 2004
Rolf Siegel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...