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Ulrich Sander
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Friedrichsdorf, DE
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last 30 patents
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Patent Grant
Process of preparing solutions of alkali peroxide and percarbonate
Patent number
5,766,443
Issue date
Jun 16, 1998
Metallgesellschaft Aktiengesellschaft
Eilhard Hillrichs
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Continous process of producing beer
Patent number
5,762,991
Issue date
Jun 9, 1998
Metalgesellschaft Aktiengesellschaft
Klaus Dziondziak
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Process of preparing an organic acid
Patent number
5,759,826
Issue date
Jun 2, 1998
Metallgesellschaft Aktiengesellschaft
Bernd Ahlers
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process of preparing alkali peroxide solutions
Patent number
5,702,585
Issue date
Dec 30, 1997
Metallgesellschaft Aktiengesellschaft
Eilhard Hillrichs
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Membrane for a gas diffusion electrode, process of manufacturing th...
Patent number
5,308,465
Issue date
May 3, 1994
Metallgesellschaft Aktiengesellschaft
Eilhard Hillrichs
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Channel plate assembly with parallel plates, process and fixture fo...
Patent number
5,249,735
Issue date
Oct 5, 1993
Metallgesellschaft Aktiengesellschaft
Ulrich Sander
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Multilayer membrane and process of manufacturing the same
Patent number
5,183,571
Issue date
Feb 2, 1993
Metallgesellschaft Aktiengesellschaft
Peter Hanel
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Channel plate assembly with parallel plates, process and fixture fo...
Patent number
5,161,611
Issue date
Nov 10, 1992
Metallgesellschaft Aktiengesellschaft
Ulrich Sander
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Process of combusting an H.sub.2 S-containing gas
Patent number
5,096,683
Issue date
Mar 17, 1992
Metallgesellschaft Aktiengesellschaft
Manfred Kriebel
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Structural part made of ferritic chromium-molybdenum steel which is...
Patent number
5,030,415
Issue date
Jul 9, 1991
Metallegesellschaft Aktiengesellschaft
Karl-Heinz Dorr
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Spherical biocatalyst containing titanium dioxide particles
Patent number
4,946,784
Issue date
Aug 7, 1990
Metallgesellschaft Aktiengesellschaft
Ulrich Sander
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Apparatus for separating liquid mixtures by pervaporation
Patent number
4,936,954
Issue date
Jun 26, 1990
Metallgesellschaft AG
Ulrich Sander
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for producing alkali metal alcoholates
Patent number
4,895,989
Issue date
Jan 23, 1990
Metallgesellschaft Aktiengesellschaft
Ulrich Sander
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process of drying sulfide ores in direct contact with hot drying gases
Patent number
4,582,481
Issue date
Apr 15, 1986
Metallgesellschaft Aktiengesellschaft
Karl-Heinz Dorr
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process of producing sulfuric acid
Patent number
4,533,537
Issue date
Aug 6, 1985
Metallgesellschaft Aktiengesellschaft
Heinz Dittmar
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of producing an alkali sulfate catalyst V.sub.2 O.sub.5
Patent number
4,431,573
Issue date
Feb 14, 1984
Metallgesellschaft Aktiengesellschaft
Wolfgang Fennemann
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process of producing concentrated sulfuric acid
Patent number
4,368,183
Issue date
Jan 11, 1983
Metallgesellschaft Aktiengesellschaft
Karl-Heinz Dorr
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process of producing sulfuric acid
Patent number
4,333,917
Issue date
Jun 8, 1982
Metallgesellschaft Aktiengesellschaft
Karl H. Dorr
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process of strengthening dilute phosphoric acid
Patent number
4,330,364
Issue date
May 18, 1982
Metallgesellschaft Aktiengesellschaft
Walter Blumrich
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process of strengthening dilute phosphoric acid
Patent number
4,276,116
Issue date
Jun 30, 1981
Metallgesellschaft Aktiengesellschaft
Walter Blumrich
C01 - INORGANIC CHEMISTRY