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Societe Francaise D'electrometallurgie Sofrem

USPTO Granted Patents = 12

Forward Citations = 110

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18 inventors (with patents filed for the assignee):

Louis Septier (7 out of 7 patents)

Michel Demange (7 out of 7 patents)

Francis Dubrous (3 out of 5 patents)

4. Andre Mena (2 out of 2 patents)

5. Rene Bonfils (1 out of 1 patent)

6. Christian Payn (1 out of 1 patent)

7. Pierre Borgeaud (1 out of 1 patent)

8. Andre Vilain (1 out of 1 patent)

9. Louis Boscaro (1 out of 1 patent)

10. Jean-Philippe Bucher (1 out of 1 patent)

11. Jean Idier (1 out of 1 patent)

12. Andre Mangin (1 out of 1 patent)

13. Yves Larrere (1 out of 1 patent)

14. Marc Daire (1 out of 1 patent)

15. Jean A Cordier (1 out of 11 patents)

12 patents: Sort by Forward Citations

1. 4616690 - Process and apparatus for moulding ingots of ferro-alloys by chill (1986-10-14),

2. 4450003 - Process and apparatus for the recovery of combustible gases in an (1984-05-22),

3. 4417920 - Process for eliminating metallic impurities from magnesium by injecting (1983-11-29),

4. 4405545 - Method and apparatus for rapidly solidifying and cooling melted products (1983-09-20),

5. 4364771 - Product for the desulphurization of cast irons and steels (1982-12-21),

6. 4363657 - Process for obtaining manganese- and silicon-based alloys by (1982-12-14),

7. 4354868 - Process for the desiliconization of manganese alloys (1982-10-19),

8. 4341533 - High-hardness abrasive product based on alumina and aluminium (1982-07-27),

9. 4306904 - Process of introducing a solid addition into a bath of liquid metal (1981-12-22),

10. 4274871 - Method of obtaining manganese alloys with a medium carbon content (1981-06-23),

11. 4190434 - Thermal processes for the production of magnesium (1980-02-26),

12. 4162916 - Process for the treatment of complex metal ores containing, in (1979-07-31),

Societe Francaise D'electrometallurgie Sofrem is a leading French company specializing in electrometallurgy. With over 50 years of experience, Sofrem provides high-quality solutions for the metallurgical industry, including electrochemical processes, electrolysis, and metal refining. The company's expertise and innovative approach have earned them a strong reputation in the industry.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

12 Patents

#298 in Paris

#1,453 in France

#46,685 in the World

Societe Francaise D'electrometallurgie Sofrem

Forward Citations = 110

18 inventors:

Louis Septier (7 out of 7 patents)

Michel Demange (7 out of 7 patents)

Francis Dubrous (3 out of 5 patents)

4. Andre Mena (2 out of 2 patents)

5. Rene Bonfils (1 out of 1 patent)

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