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Lars Hellmer
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Widdersdorf, DE
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last 30 patents
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Patent Grant
Process for producing hydrogen and sulphur from hydrogen sulphide
Patent number
4,302,434
Issue date
Nov 24, 1981
Davy International Aktiengesellschaft
Lars Hellmer
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for utilization of the reaction heat generated by the catal...
Patent number
4,169,098
Issue date
Sep 25, 1979
Davy Powergas GmbH
Lars Hellmer
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for reduction of sulfur dioxide to sulfur
Patent number
4,117,100
Issue date
Sep 26, 1978
Davy Powergas GmbH
Lars Hellmer
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for reduction of SO.sub.2
Patent number
4,117,101
Issue date
Sep 26, 1978
Davy Powergas GmbH
Joachim Fechner
C01 - INORGANIC CHEMISTRY