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Metaux Speciaux S.A.
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Paris, FR
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Patents Grants
last 30 patents
Information
Patent Grant
Process for the separation of calcium and nitrogen from lithium
Patent number
5,019,158
Issue date
May 28, 1991
Metaux Speciaux S.A.
Guy Bernard
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Apparatus for purifying lithium
Patent number
4,842,254
Issue date
Jun 27, 1989
Metaux Speciaux S.A.
Raymond Roumieu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for purifying lithium
Patent number
4,738,716
Issue date
Apr 19, 1988
Metaux Speciaux S.A.
Raymond Roumieu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for separating molybdenum and/or other metals contained in...
Patent number
4,317,802
Issue date
Mar 2, 1982
Metaux Speciaux
Jacques Dugua
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for preparation of anhydrous metallic chlorides from waste...
Patent number
4,182,747
Issue date
Jan 8, 1980
Metaux Speciaux S.A.
Guy Gravey
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for recovering molybdenum values from spent catalysts
Patent number
4,075,278
Issue date
Feb 21, 1978
Metaux Speciaux S.A.
Guy Gravey
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for recovering molybdenum values from spent catalysts
Patent number
4,075,277
Issue date
Feb 21, 1978
Metaux Speciaux S.A.
Herman Castagna
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for continuous production of pure sodium
Patent number
4,017,306
Issue date
Apr 12, 1977
Metaux Speciaux S.A.
Bernard Batoux
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...