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Martin Rahn
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Frankfurt am Main, DE
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last 30 patents
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Patent Grant
Method of adjusting a circulating fluidized bed and use of the method
Patent number
6,488,901
Issue date
Dec 3, 2002
Metallgesellschaft AG
Hans-Werner Schmidt
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Fluidized bed process for producing alumina from aluminum hydroxide
Patent number
6,015,539
Issue date
Jan 18, 2000
Metallgesellschaft Aktiengesellschaft
Hans Werner Schmidt
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing a meta-kaolin white pigment from kaolinite
Patent number
5,674,315
Issue date
Oct 7, 1997
Metallgesellschaft Aktiengesellschaft
Ernst Bareuther
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the volatilization of zinc and/or lead from metallurgic...
Patent number
4,200,454
Issue date
Apr 29, 1980
Metallgesellschaft AG
Carl-August Maelzer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for thermally treating solids with high-oxygen gases, espec...
Patent number
4,144,051
Issue date
Mar 13, 1979
Metallgesellschaft Aktiengesellschaft
Martin Rahn
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for thermally treating fine-grained solids
Patent number
4,108,634
Issue date
Aug 22, 1978
Metallgesellschaft Aktiengesellschaft
Martin Rahn
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...