US Patent 7674316 Method for producing metallic iron
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Patent abstract
A hearth material is laid in the form of a layer on the hearth prior to supply of a mixture containing a carbonaceous reducing agent and iron oxides onto a hearth of a reduction melting furnace, thereby forming a renewable hearth capable of being renewed, and the metallic iron is produced while renewing a part or the whole of the renewable hearth, which has deteriorated during operation, with the hearth material.
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US Patent 07674316 Method for producing metallic iron US Patent 7674316 Method for producing metallic iron
Infobox
Patent Number
0767431600
Patent Number
767431600
Edits on 28 Apr, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
076743160
Date of Patent
March 9, 2010
0Patent Application Number
121839470
Date Filed
July 31, 2008
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
076743160
Date of Patent
March 9, 2010
0Patent Application Number
121839470
Date Filed
July 31, 2008
0Official Website
Patent Primary Examiner
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US Patent 07674316 Method for producing metallic iron
Infobox
Is a
Patent jurisdiction
Patent number
07674316
Date of patent
March 9, 2010
Patent application number
12183947
Date Filed
July 31, 2008
Patent primary examiner
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