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Siegfried Noetzel
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Kelkheim, DE
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last 30 patents
Information
Patent Grant
Carrier bonded enzymes and a process for their preparation
Patent number
5,079,156
Issue date
Jan 7, 1992
Hoechst Aktiengesellschaft
Otto Mauz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Crosslinked polymers and a process for their preparation
Patent number
4,931,476
Issue date
Jun 5, 1990
Hoechst Aktiengesellschaft
Otto Mauz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
N,N'-divinylalkylurea crosslinked polymers, a process for their pre...
Patent number
4,906,715
Issue date
Mar 6, 1990
Hoechst Aktiengesellschaft
Otto Mauz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Crosslinked polymers with carbonate ester groups, and a process for...
Patent number
4,767,620
Issue date
Aug 30, 1988
Hoechst Aktiengesellschaft
Otto Mauz
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Macroporous bead polymers, a process for their preparation and thei...
Patent number
4,568,706
Issue date
Feb 4, 1986
Hoechst Aktiengesellschaft
Siegfried Noetzel
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Vinylene carbonate polymers, a process for their preparation and th...
Patent number
4,542,069
Issue date
Sep 17, 1985
Hoechst Aktiengesellschaft
Otto Mauz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Flame-retarding, expandable molding compositions of styrene polymers
Patent number
4,166,161
Issue date
Aug 28, 1979
Hoechst Aktiengesellschaft
Siegfried Noetzel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Bromine-containing phosphinic acid esters and flame-resistant plast...
Patent number
4,111,900
Issue date
Sep 5, 1978
Hoechst Aktiengesellschaft
Siegfried Noetzel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bromine-containing cyclic phosphonic acid esters
Patent number
4,098,759
Issue date
Jul 4, 1978
Hoechst Aktiengesellschaft
Siegfried Noetzel
C07 - ORGANIC CHEMISTRY