Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stora Enso Oyj
Original Assignee
Stora Kopparbergs Bergslags AB
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Filing date
Publication date
Application filed by Stora Kopparbergs Bergslags ABfiledCriticalStora Kopparbergs Bergslags AB
Publication of ES266047A1publicationCriticalpatent/ES266047A1/en
A process for the reduction of non-magnetic iron ore to magnetic iron oxide, comprising the operation of performing the reduction with the aid of a fuel oil. (Machine-translation by Google Translate, not legally binding)
ES0266047A1960-03-301961-03-25A procedure for the reduction of magnetic iron mineral (Machine-translation by Google Translate, not legally binding)
ExpiredES266047A1
(en)
Procedure for the manufacture of steel by direct reduction of the mineral and oven for its application (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of iron from iron minerals or ferrous oxide combinations, as well as for the subsequent obtaining of other valuable metals or minerals from mixed minerals (Machine-translation by Google Translate, not legally binding)