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Paris, FR
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last 30 patents
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Patent Grant
Process for the separation of molybdenum by a resin route
Patent number
4,891,193
Issue date
Jan 2, 1990
Compagnie Francaise De Mokta
Didier Beutier
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for recovering silver from sulfate solutions
Patent number
4,640,710
Issue date
Feb 3, 1987
Societe Miniere et Metallurgique de Penerroya
Didier Beutier
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for the selective dissolution of lead from mixed minerals co...
Patent number
4,568,525
Issue date
Feb 4, 1986
Societe Miniere et Metallurgique de Penarroya
Didier Beutier
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Electrochemical elimination of nickel from lead containing chloride...
Patent number
4,548,793
Issue date
Oct 22, 1985
Societe Miniere et Metallurgique de Penarroya
Didier Beutier
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process and solvent for extraction of the chromates present in an a...
Patent number
4,446,026
Issue date
May 1, 1984
Krebs & Cie S.A.
Didier Beutier
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR