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Andre Georgeaux
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Rambouillet, FR
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last 30 patents
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Patent Grant
Hydrometallurgical process for the treatment of sulphidized compoun...
Patent number
4,902,343
Issue date
Feb 20, 1990
Societe Miniere et Metallurgique de Penarroya
Jean-Michel Demarthe
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for the treatment of solutions of lead chloride
Patent number
4,297,183
Issue date
Oct 27, 1981
Societe Miniere et Metallurgique de Penarroya
Andre Georgeaux
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Hydrometallurgical process for treatment of sulphur ores
Patent number
4,288,304
Issue date
Sep 8, 1981
Societe Miniere et Metallurgique de Penarroya
Jean-Michel Demarthe
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method of selectively bringing into solution the non-ferrous metals...
Patent number
4,230,487
Issue date
Oct 28, 1980
Societe Miniere et Metallurgique de Penarroya
Jean-Michel Demarthe
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for dissolving the non-ferrous metals contained in oxygenate...
Patent number
4,166,737
Issue date
Sep 4, 1979
Minemet Recherche
Jean-Michel Demarthe
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of obtaining copper from copper-bearing ores
Patent number
4,023,964
Issue date
May 17, 1977
Societe Miniere et Metallurgique de Penarroya
Jean-Michel Demarthe
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of obtaining copper from sulphurized concentrates
Patent number
4,016,056
Issue date
Apr 5, 1977
Societe Miniere et Metallurgique de Penarroya
Jean-Michel Demarthe
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...