MD

Michel Demange

SD Societe Francaise D'Electrometallurgie-Sofrem: 3 patents #1 of 10Top 10%
📍 Saint-Flour, FR: #1 of 5 inventorsTop 20%
Overall (1982): #3,894 of 81,411Top 5%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4364771 Product for the desulphurization of cast irons and steels Jean Cordier, Jean Idier 1982-12-21
4363657 Process for obtaining manganese- and silicon-based alloys by silico-thermal means in a ladle Louis Boscaro, Jean-Philippe Bucher, Francis Dubrous, Louis Septier 1982-12-14
4354868 Process for the desiliconization of manganese alloys Louis Septier 1982-10-19