C21C 1/02

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9957581 Method for refining hot metal in converterMar 25, 13May 01, 18JFE Steel Corporation
9920390 Method for preliminary treatment of molten ironJan 17, 13Mar 20, 18JFE STEEL CORPORATION
9708676 Method for preparing low-cost clean steelMar 13, 12Jul 18, 17Not available
9683271 Impeller and method of melt-pool processing method using the sameSep 09, 13Jun 20, 17POSCO
9602042 Method of controlling rotational speed of impellerFeb 29, 12Mar 21, 17NISSHIN STEEL CO., LTD.
9580764 Top-blowing lance and method for refining molten iron using the sameOct 16, 12Feb 28, 17JFE STEEL CORPORATION
9493854 Converter steelmaking methodDec 19, 12Nov 15, 16JFE STEEL CORPORATION
9382595 Method for the production and the purification of molten calcium aluminate using contaminated aluminum dross residueFeb 11, 14Jul 05, 169253-8444 QUEBEC INC., 9255-8444 QUEBEC INC. DBA METKEM INNOVATION,
9315875 Method of refining molten ironJul 19, 12Apr 19, 16JFE STEEL CORPORATION
9187792 Agent for treating molten metals, method for the production and use thereofJan 11, 12Nov 17, 15Alamamet GmbH, ALMAMET GMBH,
9127327 Environmentally friendly flux for molten steel desulfurizationMar 30, 12Sep 08, 15NIPPON STEEL & SUMITOMO METAL CORPORATION
9068237 Method for desulfurizing hot metalAug 08, 12Jun 30, 15JFE STEEL CORPORATION
8430945 Method and device for producing pig-iron based stainless steel without using a supply of electrical energyNov 20, 07Apr 30, 13SMS SIEMAG AKTIENGESELLSCHAFT
7819940 Production of stainless steel of AISI 4xx grade ferritic steel in an AOD converterNov 11, 05Oct 26, 10SMS SIEMAG AKTIENGESELLSCHAFT
7691178 Production of ironApr 18, 06Apr 06, 10TECHNOLOGICAL RESOURCES PTY. LIMITED
6328784 Method of desulfurizing molten iron alloyJun 29, 00Dec 11, 01KAWASAKI STEEL CORPORATION, Kawasaki Corporation Kabushiki Kaisha,
6280497 Cored wire for treating molten metal and method of manufactureMar 22, 00Aug 28, 01Minerals Technologies Inc.
5868817 Process for producing steel by converterJul 15, 96Feb 09, 99NIPPON STEEL CORPORATION
5466275 Method and apparatus for desulphurizing iron with minimal slag formationAug 29, 94Nov 14, 95VOEST-ALPINE INDUSTRIEANLAGENBAU GMBH & CO.
4431444 Process for reducing the iron content of CaO-rich slags formed during the desulphurization of crude ironJul 23, 82Feb 14, 84SKW TROSTBERG AKTIENGESELLSCHAFT, Thyssen Aktiengesellschaft vorm August Thyssen-Hutte AG,

Showing 1 to 20 of 24 results