Extract from the Register of European Patents

EP About this file: EP4573223

EP4573223 - METHOD AND APPARATUS FOR PRODUCING A METAL OXIDE MATERIAL [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  23.05.2025
Database last updated on 21.03.2026
FormerThe international publication has been made
Status updated on  23.02.2024
Formerunknown
Status updated on  07.09.2023
Most recent event   Tooltip24.10.2025Change: Validation statespublished on 26.11.2025  [2025/48]
24.10.2025Change - extension statespublished on 26.11.2025  [2025/48]
Applicant(s)For all designated states
LUOSSAVAARA KIIRUNAVAARA AB
P.O. Box 952
971 28 Luleå / SE
[2025/26]
Inventor(s)01 / ERIKSSON, Ola
981 33 Kiruna / SE
02 / ÅSTRÖM, Björn
981 37 Kiruna / SE
03 / MARJAVAARA, Daniel
981 37 Kiruna / SE
04 / ROSTMARK, Susanne
981 37 Kiruna / SE
05 / TUOMAS, Göran
972 39 Luleå / SE
 [2025/26]
Representative(s)Zacco Sweden AB
P.O. Box 5581
Löjtnantsgatan 21
114 85 Stockholm / SE
[2025/26]
Application number, filing date23762029.917.08.2023
[2025/26]
WO2023SE50830
Priority number, dateSE2022005097317.08.2022         Original published format: SE 2250973
[2025/26]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2024039279
Date:22.02.2024
Language:EN
[2024/08]
Type: A1 Application with search report 
No.:EP4573223
Date:25.06.2025
Language:EN
The application published by WIPO in one of the EPO official languages on 22.02.2024 takes the place of the publication of the European patent application.
[2025/26]
Search report(s)International search report - published on:EP22.02.2024
ClassificationIPC:C21B13/00, C22B1/16, C22B1/26, C22B1/212, C22B5/12
[2025/26]
CPC:
C22B1/26 (EP); C22B1/2413 (SE); C21B13/0046 (EP);
C22B1/00 (SE); C22B1/02 (SE); C22B1/16 (EP);
C22B1/20 (SE); C22B1/212 (EP); C22B5/12 (EP);
F27B2009/122 (SE) (-)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   ME,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2025/26]
TitleGerman:VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG EINES METALLOXIDMATERIALS[2025/26]
English:METHOD AND APPARATUS FOR PRODUCING A METAL OXIDE MATERIAL[2025/26]
French:PROCÉDÉ ET APPAREIL DE PRODUCTION DE MATÉRIAU D'OXYDE MÉTALLIQUE[2025/26]
Entry into regional phase12.03.2025National basic fee paid 
12.03.2025Designation fee(s) paid 
12.03.2025Examination fee paid 
Examination procedure14.06.2024Request for preliminary examination filed
International Preliminary Examining Authority: EP
12.03.2025Examination requested  [2025/26]
12.03.2025Date on which the examining division has become responsible
24.09.2025Amendment by applicant (claims and/or description)
Fees paidRenewal fee
19.06.2025Renewal fee patent year 03
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Cited inInternational search[XI] CN105441670  (BEIJING SHOUGANG INT ENG TECH et al.) [X] 1,2,4-14,16,17 * figure 2 * * example 1 * * claim 1 *[I] 3,15
 [XI] US2016304977  (KAMIKAWA SUSUMU et al.) [X] 1,2,5,7-14,16,17 * figure 1 * * claim 1 * * paragraph [0045] *[I] 3,4,6,15
 [XI] EP2093300  (KOBE STEEL LTD et al.) [X] 1,2,5,7-11,13,14 * figure 4 * * claims 1, 3, 4 * * paragraph [0038] *[I] 3,4,6,12,15
 [A] US10793928  (STRÖDER MICHAEL et al.) [A] 3,15 * claim 1 *
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