Jean-Michel Demarthe

Person

Viroflay, FR

People

Patents Grantslast 30 patents

Information 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
Hydrometallurgical process for selective dissolution of mixtures of...
- Patent number 4,435,368
- Issue date Mar 6, 1984
- Mitsubishi Rayon Co., Ltd.
- Jean-Michel Demarthe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the recovery of uranium contained in phosphated compounds
- Patent number 4,311,676
- Issue date Jan 19, 1982
- Minemet Recherche
- Jean-Michel Demarthe
- 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
Process for the recovery of uranium contained in phosphated solutions
- Patent number 4,282,188
- Issue date Aug 4, 1981
- Minemet Recherche
- Jean-Michel Demarthe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Hydrometallurgical process for treating nickel mattes
- Patent number 4,236,981
- Issue date Dec 2, 1980
- Societe Metallurgique le Nichel-S.L.N.
- 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
Hydrometallurgical method for treating nickel mattes
- Patent number 4,173,520
- Issue date Nov 6, 1979
- Societe Metallurgique le Nickel-SLN
- Jean-Michel Demarthe
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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
Process for the recovery and purification of germanium from zinc ores
- Patent number 4,090,871
- Issue date May 23, 1978
- Societe Miniere et Metallurgique de Penarroya
- Albert Lebleu
- 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...
Information Patent Grant
Hydrometallurgical treatment process for extracting constituent met...
- Patent number 4,016,054
- Issue date Apr 5, 1977
- Imetal
- Louis Gandon
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method for selectively dissolving non-ferrous metals contained in p...
- Patent number 3,998,628
- Issue date Dec 21, 1976
- Societe Miniere et Metallurgique de Penarroya
- Louis Gandon
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of reclaiming nickel values from a nickeliferous alloy
- Patent number 3,992,270
- Issue date Nov 16, 1976
- Imetal
- Robert Lemarinel
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Jean-Michel Demarthe

Person

Patents Grantslast 30 patents

Hydrometallurgical process for the treatment of sulphidized compoun...

Hydrometallurgical process for selective dissolution of mixtures of...

Process for the recovery of uranium contained in phosphated compounds

Hydrometallurgical process for treatment of sulphur ores

Process for the recovery of uranium contained in phosphated solutions

Hydrometallurgical process for treating nickel mattes

Method of selectively bringing into solution the non-ferrous metals...

Hydrometallurgical method for treating nickel mattes

Method for dissolving the non-ferrous metals contained in oxygenate...

Process for the recovery and purification of germanium from zinc ores

Method of obtaining copper from copper-bearing ores

Method of obtaining copper from sulphurized concentrates

Hydrometallurgical treatment process for extracting constituent met...

Method for selectively dissolving non-ferrous metals contained in p...

Method of reclaiming nickel values from a nickeliferous alloy