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Mohammed Esna-Ashari
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Bergisch-Gladbach, DE
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last 30 patents
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Patent Grant
Method and installation for extracting gold from gold ore
Patent number
4,960,461
Issue date
Oct 2, 1990
Klockner-Humboldt Deutz AG
Mohammed Esna-Ashari
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for recovering zinc from a sulfidic zinc source
Patent number
4,477,323
Issue date
Oct 16, 1984
Klockner-Humboldt Deutz AG
Mohammed Esna-Ashari
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for leaching and precipitating metal values from solids
Patent number
4,248,628
Issue date
Feb 3, 1981
Klockner-Humboldt Deutz AG
Mohammed Esna-Ashari
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...