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Hagen Krumm
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Frankfurt am Main, DE
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last 30 patents
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Patent Grant
Process of producing a reducing gas
Patent number
4,234,451
Issue date
Nov 18, 1980
Metallgesellschaft Aktiengesellschaft
Heinz Jockel
C01 - INORGANIC CHEMISTRY
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Patent Grant
Process of producing methanol
Patent number
4,203,915
Issue date
May 20, 1980
Metallgesellschaft
Emil Supp
C07 - ORGANIC CHEMISTRY