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Method For The Preparation Of High Purity Iron Oxide - EP3978442

The patent EP3978442 was granted to Thyssenkrupp Steel Europe on Nov 15, 2023. The application was originally filed on Sep 23, 2021 under application number EP21198420A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3978442

THYSSENKRUPP STEEL EUROPE
Application Number
EP21198420A
Filing Date
Sep 23, 2021
Status
Granted And Under Opposition
Oct 13, 2023
Grant Date
Nov 15, 2023
External Links
Slate, Register, Google Patents

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VOESTALPINE STAHLAug 14, 2024ADMISSIBLE

Patent Citations (17) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONDE10022867
DESCRIPTIONDE10311549
EXAMINATIONEP0813500
OPPOSITIONDE102020212338
OPPOSITIONEP0971050
OPPOSITIONEP1253112
OPPOSITIONJP2002155383
OPPOSITIONJPS62171925
OPPOSITIONUS5344572
OTHERDE102020212338
OTHERDE10311549
OTHEREP0141313
SEARCHEP0813500
SEARCHKR20150030817
SEARCHUS2007051276
SEARCHUS4591489
SEARCHWO2020107122

Non-Patent Literature (NPL) Citations (5) New

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

Citation PhaseReference TextLink
OPPOSITION- Anonymous, "Salzsäure", Wikipedia, (20100305), pages 1 - 6, Wikipedia , URL: https://de.wikipedia.org/w/index.php?title=Salzs%C3%A4ure&oldid=71494798, (20240926), XP093208869-
OPPOSITION- Elfriede Doris , "Anwendung des Wirbelschichtverfahrens für die Raffination und Weiterverarbeitung von Eisenoxid", Diplomarbeit, (20030925), pages 1 - 179, XP093208874-
OPPOSITION- J. Bratby, Coagulation and Flocculation, Croydon, England, Uplands Press LTD, (19800101), pages 1 - 376-
OPPOSITION- Vallant Eva-Maria, "Minimierung der Spurenelemente Nickel und Kupfer in Salzsäureabbeize", Institut für Verfahrenstechnik des industriellen Umweltschutzes, (20040930), pages 1 - 123, XP093208862-
OPPOSITION- Pohl Alina, "Removal of Heavy Metal Ions from Water and Wastewaters by Sulfur-Containing Precipitation Agents", Water, Air , & Soil Pollution, Cham, (20200928), vol. 231, no. 10, doi:10.1007/s11270-020-04863-w, ISSN 0049-6979, XP037256638

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Dossier Documents

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