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SOFREM

Overview
  • Total Patents
    180
About

SOFREM has a total of 180 patent applications. Its first patent ever was published in 1965. It filed its patents most often in France, Spain and United States. Its main competitors in its focus markets materials and metallurgy, thermal processes and basic materials chemistry are FERROLEGERINGAR AB, ELEKTROMETALLURGIE GMBH and METALLO BELGIUM.

Patent filings per year

Chart showing SOFREMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Septier Louis 42
#2 Demange Michel 41
#3 Demange M 18
#4 Septier L 18
#5 Montanteme Jean 11
#6 Boscaro Louis 10
#7 Dubrous Francis 10
#8 Mena Andre 10
#9 Bucher Jean-Philippe 8
#10 Mena A 7

Latest patents

Publication Filing date Title
EP0129491A1 Dry-passivating process for finely divided magnesium
FR2559505A1 Process for producing refined ferro-manganese by pocket metallo-thermal reactions
FR2554439A1 Process for obtaining a refractory pise based on electro-melted zircon for melting metals and alloys in an induction oven
FR2539062A1 Method and device for molding lingotins in ferro-alloys by cooling in cooled copper shell
EP0057651A2 Process for rapid solidification and cooling by continuous casting of molten materials based on metal oxides
FR2517422A1 Process and device for recovering fuel gases in an electrometallurgy oven
FR2516940A1 Process for the removal of metal impurities in magnesium by injection of a halogen boron derivative
FR2502607A2 Improvement in the process for removal of aluminum and calcium in silicon and silicon-based alloys
FR2515163A1 Process for removal of calcium and aluminum in silicon and silicon-based alloys
FR2493876A1 Process for producing ferro-chrome carbide in a reactor
FR2493875A1 Process for producing low-carbon ferro-chrome in a reactor
PT71558A Removing sulphur from molten iron or steel - or mfg. nodular cast iron by injecting mixt. of magnesium shot and slag contg. lime, silica, alumina and magnesia
US4363657A Process for obtaining manganese- and silicon-based alloys by silico-thermal means in a ladle
ES8106017A1 Procedure for the disulfuration of cast iron and molding and steel castings (Machine-translation by Google Translate, not legally binding)
EP0022420A1 Process for the manufacture of an abrasive on the basis of alumina and aluminiumoxicarbides and use of such an abrasive
AU5982480A Product for the desulphurization of cast irons and steels
ZA80611B A process for the ferrothermal reduction of oxidized slags having a low cobalt content
US4274871A Method of obtaining manganese alloys with a medium carbon content
AU5347979A Desiliconisation of ferro manganese
ES485729A1 Method and apparatus for making, in the absence of air, abrasive materials having a fine and homogeneous crystalline structure.