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Steel Production From Iron Smelt - EP4237587

The patent EP4237587 was granted to Primetals Austria on Aug 28, 2024. The application was originally filed on Oct 28, 2021 under application number EP21799055A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4237587

PRIMETALS AUSTRIA
Application Number
EP21799055A
Filing Date
Oct 28, 2021
Status
Granted And Under Opposition
Jul 26, 2024
Grant Date
Aug 28, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (3)

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CompanyOpposition DateRepresentativeOpposition Status

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THYSSENKRUPP STEEL EUROPEMay 23, 2025THYSSENKRUPP STEEL EUROPEADMISSIBLE
ARCELORMITTALMay 13, 2025LAVOIXADMISSIBLE
TATA STEEL IJMUIDENApr 15, 2025GROUP SERVICESADMISSIBLE

Patent Citations (20) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTJP2012251186
INTERNATIONAL-SEARCH-REPORTUS4728360
INTERNATIONAL-SEARCH-REPORTUS5259865
INTERNATIONAL-SEARCH-REPORTUS5417740
INTERNATIONAL-SEARCH-REPORTUS6149709
OPPOSITIONEP1354969
OPPOSITIONEP3954786
OPPOSITIONEP3992309
OPPOSITIONEP4032990
OPPOSITIONJP2012251186
OPPOSITIONUS2010180723
OPPOSITIONUS2015040722
OPPOSITIONUS2805930
OPPOSITIONUS4728360
OPPOSITIONUS5259865
OPPOSITIONUS5417740
OPPOSITIONUS6149709
OPPOSITIONUS6284018
OPPOSITIONWO2021100565
OTHERUS6284018

Non-Patent Literature (NPL) Citations (18) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference Text
OPPOSITION- Anonymous, "Basic oxygen steelmaking", Wikipedia, pages 1 - 5, Wikipedia, URL: https://web.archive.org/web/20191019101311/https://en.wikipedia.org/wiki/Basic_oxygen_steelmaking, XP093279878
OPPOSITION- Anonymous, "NF EN 60519-4 Safety in electroheating installations - Part 4 : particular requirements for arc furnace installations", NF Norme, AFNOR, FR, FR, (20140319), XP009561272
OPPOSITION- Anonymous, "Optimizing DRI production using natural gas", Midrex NG, (20180401), Midrex NG, URL: https://www.midrex.com/wp-content/uploads/MIDREX_NG_Brochure_4-12-18.pdf, XP093281880
OPPOSITION- Carpenter Anne, "CO 2 abatement in the iron and steel industry", USEA, pages 1 - 119, USEA, URL: https://usea.org/sites/default/files/012012_CO2%20abatement%20in%20the%20iron%20and%20steel%20industry_ccc193.pdf, XP093171239
OPPOSITION- Chatterjee Amit, "Chapter 6: Gas-based Direct Reduction", Chatterjee Amit, Amit Chatterjee, Sponge Iron Production by Direct Reduction of Iron Oxide, New Dehli, India, PHI Learning Private Ltd., (20100101), pages 178 - 242, ISBN 978-81-203-3644-5, XP093279895
OPPOSITION- Francesco Memoli, "Behaviour and Benefits of High Fe3C-DRI in the EAF", IRON & STEEL TECHNOLOGY., AIST, WARRENDALE, PA., US, US , (20150531), vol. 2, no. 4, ISSN 1547-0423, pages 1928 - 1945, XP002767548
OPPOSITION- KNOP K., KUBIAK H., "PROZESSTECHNIK UND WIRTSCHAFTLICHKEIT DER STAHLERZEUGUNG UEBER DIREKTREDUKTION AUF WASSERSTOFFBASIS.", Stahl und Eisen, Maenken Kommunikation GmbH, (19961111), vol. 116., no. 11., ISSN 0340-4803, pages 55 - 64., XP000639879
OPPOSITION- Metius Gary, Mcclelland Jim, "SYNGAS OPTIONS FOR COAL-BASED DIRECT REDUCTION ", AISTech 2012, (20120509), pages 1 - 6, XP093271145
OPPOSITION- Naseri Seftejani Masab, Johannes Schenk, "Kinetics of molten iron oxides reduction using hydrogen", Scienza e tecnologia nella produzione siderurgica, (20180101), vol. 7/8, pages 5 - 14, XP093281884
OPPOSITION- R. Lule, F. Lopez, J. Espinoza, R. Torres, R.D. Morales, "The production of steels applying 100% DRI for nitrogen removal: The Experience of ArcelorMittal Lázaro Cardenas Flat Carbon", Direct from Midrex, Midrex Technologies, Inc., USA, USA, Direct from Midrex, URL: http://www.midrex.com/assets/user/media/Production_of_Steels_Applying.pdf, (20150608), XP055194232
OPPOSITION- Smolczyk H.-G., "Zum Einfluss der Chemie des Hüttensands auf die Festigkeiten von Hochofenzementen ", Sonderdruck aus Zement-Kalk-Gips, (19780101), vol. 31, no. 6, pages 294 - 296, XP093256573
OPPOSITION- Toulouevski Yuri N, Zinurov Hyazy, "Basic Physical-Chemical Processes in Liquid Bath Blown with Oxygen: Process Mechanisms. Interaction of Oxygen Jets with the Bath: General Concepts", Innovation in Electric Arc Furnaces, Springer, (20130101), pages 161 - 167, XP093271148
OPPOSITION- Rechberger Katharina et al, "Green Hydrogen‐Based Direct Reduction for Low‐Carbon Steelmaking", STEEL RESEARCH INTERNATIONAL., VERLAG STAHLEISEN GMBH., DUSSELDORF., DE, DE , (20200513), vol. 91, no. 11, doi:10.1002/srin.202000110, ISSN 1611-3683, page 2000110, XP055956957
OPPOSITION- Wiencke Jan; Lavelaine Hervé; Panteix Pierre-Jean; Petitjean Carine; Rapin Christophe, "Electrolysis of iron in a molten oxide electrolyte", JOURNAL OF APPLIED ELECTROCHEMISTRY., SPRINGER, DORDRECHT., NL, NL , (20180105), vol. 48, no. 1, doi:10.1007/s10800-017-1143-5, ISSN 0021-891X, pages 115 - 126, XP036397862
OPPOSITION- Lee, Y. E., "Ferroalloys: Production and use in Steel making", Lee, Y. E., Buschow, K. H. et al, Editors, Encyclopedia of Materials: Science and Technology, Elsevier, (20010101), pages 3039 - 3044, doi:10.1016/B0-08-043152-6/00544-1, ISBN 978-0-08-043152-9, XP093281879
OPPOSITION- Vogl Valentin, Åhman Max, Nilsson Lars J., "Assessment of hydrogen direct reduction for fossil-free steelmaking", Journal of Cleaner Production, ELSEVIER, AMSTERDAM, NL, AMSTERDAM, NL , (20181201), vol. 203, doi:10.1016/j.jclepro.2018.08.279, ISSN 0959-6526, pages 736 - 745, XP093212068
OPPOSITION- Bhaskar Abhinav, Assadi Mohsen, Nikpey Somehsaraei Homam, "Decarbonization of the Iron and Steel Industry with Direct Reduction of Iron Ore with Green Hydrogen", Energies, M D P I AG, CH, CH , vol. 13, no. 3, doi:10.3390/en13030758, ISSN 1996-1073, pages 1 - 23, XP093138443
OPPOSITION- Patisson Fabrice, Mirgaux Olivier, "Hydrogen Ironmaking: How It Works", METALS, M D P I AG, CH, CH , (20200709), vol. 10, no. 7, doi:10.3390/met10070922, ISSN 2075-4701, page 922, XP055956921

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Dossier Documents

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