Assignee
SOFREM
FR15 patents
Top patents by PatentIndex Score
US4405545ASep 20, 1983
Method and apparatus for rapidly solidifying and cooling melted products based on metal oxides by continuous casting
SOFREM41 citations90
US4341533AJul 27, 1982
High-hardness abrasive product based on alumina and aluminium oxycarbides and process for preparing same
SOFREM59 citations86
US4616690AOct 14, 1986
Process and apparatus for moulding ingots of ferro-alloys by chill casting in a cooled copper mould
SOFREM14 citations71
US4450003AMay 22, 1984
Process and apparatus for the recovery of combustible gases in an electrometallurgy furnace
SOFREM7 citations68
US4364771ADec 21, 1982
Product for the desulphurization of cast irons and steels
SOFREM18 citations68
US4363657ADec 14, 1982
Process for obtaining manganese- and silicon-based alloys by silico-thermal means in a ladle
SOFREM8 citations66
US4190434AFeb 26, 1980
Thermal processes for the production of magnesium
SOFREM10 citations63
US4417920ANov 29, 1983
Process for eliminating metallic impurities from magnesium by injecting a halogenated derivative or boron
SOFREM6 citations60
US4354868AOct 19, 1982
Process for the desiliconization of manganese alloys
SOFREM2 citations60
US4274871AJun 23, 1981
Method of obtaining manganese alloys with a medium carbon content
SOFREM4 citations60
US4162916AJul 31, 1979
Process for the treatment of complex metal ores containing, in particular, manganese and copper, such as oceanic nodules
SOFREM3 citations60
US3947542AMar 30, 1976
Process for treatment of pyrochlore concentrates
SOFREM9 citations59
US4073641AFeb 14, 1978
Selective reduction of nickel ore with a low nickel content
SOFREM2 citations44
US4306904ADec 22, 1981
Process of introducing a solid addition into a bath of liquid metal
SOFREM1 citations33
US3954447AMay 4, 1976
Process for the protection of a metal ingot against oxidation
SOFREM1 citations33