C22B 1/214

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
8308844 Method of reduction treatment of metal oxides or steelmaking waste and method of concentrating and recovering zinc and/or leadJan 19, 11Nov 13, 12NIPPON STEEL CORPORATION
6800113 Equipment for distribution and feeding of charge and fuel in shaft furnaces of rectangular cross sectionJun 28, 01Oct 05, 04Startec Iron LLC
6565623 Method and apparatus for curing self-reducing agglomeratesMar 20, 01May 20, 03Startec Iron LLC
6379421 Method and apparatus removing undesirable metals from iron-containing materialsFeb 17, 00Apr 30, 02Hylsa, S.A. DE C.V.
4278462 Process for upgrading iron ore pelletsAug 06, 76Jul 14, 81PRAXAIR TECHNOLOGY, INC., Union Carbide Corporation,