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Extract from the Register of European Patents

EP About this file: EP4212636

EP4212636 - METHOD FOR PRODUCING CHROMIUM-CONTAINING MOLTEN IRON [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  16.06.2023
Database last updated on 19.07.2024
FormerThe international publication has been made
Status updated on  23.03.2022
Most recent event   Tooltip18.05.2024Amendment by applicant 
Applicant(s)For all designated states
JFE Steel Corporation
2-3, Uchisaiwai-cho 2-chome Chiyoda-ku
Tokyo 100-0011 / JP
[2023/29]
Inventor(s)01 / ODA, Nobuhiko
Tokyo 100-0011 / JP
02 / OGASAWARA, Futoshi
Tokyo 100-0011 / JP
03 / KAKIGI, Kentaro
Tokyo 100-0011 / JP
04 / FUKUYAMA, Takayoshi
Tokyo 100-0011 / JP
 [2023/29]
Representative(s)Hoffmann Eitle
Patent- und Rechtsanwälte PartmbB
Arabellastraße 30
81925 München / DE
[2023/29]
Application number, filing date21866513.123.08.2021
[2023/29]
WO2021JP30760
Priority number, dateJP2020015181710.09.2020         Original published format: JP 2020151817
[2023/29]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022054553
Date:17.03.2022
Language:JA
[2022/11]
Type: A1 Application with search report 
No.:EP4212636
Date:19.07.2023
Language:EN
[2023/29]
Search report(s)International search report - published on:JP17.03.2022
(Supplementary) European search report - dispatched on:EP07.02.2024
ClassificationIPC:C21C5/28, C21C5/52, C21C7/00
[2023/29]
CPC:
C21C5/005 (EP); C21C5/30 (KR); C21C7/0025 (EP,US);
C21C5/28 (US); C21C5/36 (EP); C21C5/54 (EP,KR);
C21C7/06 (EP); C21C7/068 (KR,US); C21C7/072 (KR);
C21C2250/02 (KR); C21C7/0037 (EP); C21C7/0068 (EP);
Y02P10/20 (EP) (-)
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,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2023/29]
TitleGerman:VERFAHREN ZUR HERSTELLUNG VON CHROMHALTIGEM SCHMELZFLÜSSIGEM EISEN[2023/29]
English:METHOD FOR PRODUCING CHROMIUM-CONTAINING MOLTEN IRON[2023/29]
French:PROCÉDÉ DE PRODUCTION DE FER FONDU CONTENANT DU CHROME[2023/29]
Entry into regional phase30.03.2023Translation filed 
30.03.2023National basic fee paid 
30.03.2023Search fee paid 
30.03.2023Designation fee(s) paid 
30.03.2023Examination fee paid 
Examination procedure30.03.2023Examination requested  [2023/29]
17.05.2024Amendment by applicant (claims and/or description)
17.05.2024Date on which the examining division has become responsible
Fees paidRenewal fee
16.08.2023Renewal fee patent year 03
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Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[XA]JPH0673424  (NIPPON STEEL CORP) [X] 1 * abstract * * claims 1-3 * [A] 2-4;
 [XI]JPH0762413  (SUMITOMO METAL IND) [X] 1,2,4 * abstract * * claims 1-2 * * claim 4 * * figure 4 * * figure 5 * * paragraphs [0022] , [0 23] , [0 36] * * paragraph [0047] * [I] 3;
 [A]JPH0885814  (NIPPON STEEL CORP) [A] 1-4 * abstract *;
 [XA]EP0779373  (ARMCO INC [US]) [X] 1 * abstract * * claims 1-17 * * page 7, line 56 - page 8, line 11 * [A] 2-4;
 [A]JPH10265827  (KAWASAKI STEEL CO) [A] 1-4 * abstract *;
 [A]JP2013151747  (JFE STEEL CORP) [A] 1-4* abstract *
International search[A]JPH0673424  (NIPPON STEEL CORP) [A] 1-4 * paragraphs [0009]-[0025], fig. 1 *;
 [X]JPH0987722  (NIPPON STEEL CORP) [X] 1-4 * paragraphs [0009], [0023], [0026], [0044]-[0050], fig. 1 *;
 [A]JPH1025507  (KAWASAKI STEEL CO) [A] 1-4* paragraphs [0017]-[0028] *
by applicantJP2002256323
 JP2012211372
 JP2013079449
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.