Extract from the Register of European Patents

EP About this file: EP4451374

EP4451374 - NEGATIVE ELECTRODE MATERIAL FOR SECONDARY BATTERY [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  20.09.2024
Database last updated on 21.03.2026
FormerThe international publication has been made
Status updated on  24.06.2023
Most recent event   Tooltip27.11.2025New entry: Renewal fee paid 
Applicant(s)For all designated states
POSCO Silicon Solution Co., Ltd
17, Nojanggongdan-gil, Jeondong-myeon
Sejong-si 30011 / KR
[2024/43]
Inventor(s)01 / LEE, Jaewoo
Sejong 30152 / KR
02 / CHO, Moonkyu
Pohang-si, Gyeongsangbuk-do 37948 / KR
03 / CHOI, Sunho
Daejeon 34396 / KR
04 / CHEON, Junghoon
Sejong 30153 / KR
 [2024/43]
Representative(s)Maiwald GmbH
Elisenhof
Elisenstraße 3
80335 München / DE
[2024/43]
Application number, filing date22907735.917.11.2022
[2024/43]
WO2022KR18209
Priority number, dateKR2021017829414.12.2021         Original published format: KR 20210178294
[2024/43]
Filing languageKO
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2023113265
Date:22.06.2023
Language:KO
[2023/25]
Type: A1 Application with search report 
No.:EP4451374
Date:23.10.2024
Language:EN
[2024/43]
Search report(s)International search report - published on:KR22.06.2023
(Supplementary) European search report - dispatched on:EP03.09.2025
ClassificationIPC:H01M4/36, H01M4/38, H01M4/48, H01M4/62, H01M10/052, H01M4/02
[2024/43]
CPC:
H01M4/02 (EP); H01M4/386 (EP,US); H01M10/052 (EP);
H01M10/0525 (EP,US); H01M4/134 (EP); H01M4/1395 (EP);
H01M4/36 (EP); H01M4/364 (US); H01M4/38 (EP);
H01M4/48 (EP); H01M4/483 (US); H01M4/62 (EP,US);
H01M2004/021 (EP,US); H01M2004/027 (EP,US); Y02E60/10 (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,   ME,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2024/43]
TitleGerman:NEGATIVES ELEKTRODENMATERIAL FÜR SEKUNDÄRBATTERIE[2024/43]
English:NEGATIVE ELECTRODE MATERIAL FOR SECONDARY BATTERY[2024/43]
French:MATÉRIAU D'ÉLECTRODE NÉGATIVE POUR BATTERIE SECONDAIRE[2024/43]
Entry into regional phase28.06.2024Translation filed 
28.06.2024National basic fee paid 
28.06.2024Search fee paid 
28.06.2024Designation fee(s) paid 
28.06.2024Examination fee paid 
Examination procedure28.06.2024Amendment by applicant (claims and/or description)
28.06.2024Examination requested  [2024/43]
Fees paidRenewal fee
26.11.2024Renewal fee patent year 03
26.11.2025Renewal fee patent year 04
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Documents cited:Search[X] US2020168891  (SHIN SUN-YOUNG et al.)
 [X] CN112751011  (SHANGHAI SHANSHAN TECH CO LTD et al.)
International search[XA] KR20190065148  (LG CHEMICAL LTD et al.) [X] 1-3,5-18 * See paragraphs [0003], [0024], [0025], [0027]-[0035], [0068], [0095], [0118] and [0119]; and figure 1. *[A] 4
 [A] KR101586816  (DAE JOO ELECTRONIC MAT CO LTD et al.) [A] 1-18 * See claims 1-14. *
 [A] KR20200126344  (DAE JOO ELECTRONIC MAT CO LTD et al.) [A] 1-18 * See claims 1-20. *
 [A] KR20200065514  (HYUNDAI MOTOR CO LTD et al.) [A] 1-18 * See claims 1-9. *
 [PX] KR102405768  (TERA TECHNOS CO LTD et al.) [PX] 1-18 * See claims 1-3 and 5-18. * * `This document is a published earlier application that serves as a basis for claiming priority of the present international application.' *
by applicantKR20200065514
 KR20150045336
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