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Extract from the Register of European Patents

EP About this file: EP3907186

EP3907186 - METHOD FOR PREPARING POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR AND POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  01.03.2024
Database last updated on 19.07.2024
FormerGrant of patent is intended
Status updated on  13.12.2023
FormerExamination is in progress
Status updated on  09.12.2022
FormerRequest for examination was made
Status updated on  08.10.2021
FormerThe international publication has been made
Status updated on  03.05.2021
Most recent event   Tooltip01.03.2024(Expected) grantpublished on 03.04.2024  [2024/14]
Applicant(s)For all designated states
LG Chem, Ltd.
128, Yeoui-daero
Yeongdeungpo-gu
Seoul 07336 / KR
[2021/45]
Inventor(s)01 / LEE, Eung Ju
LG Chem Research Park, 188, Munji-ro Yuseong-gu
Daejeon 34122 / KR
02 / JUNG, Ji Hun
LG Chem Research Park, 188, Munji-ro Yuseong-gu
Daejeon 34122 / KR
03 / LEE, Jun Won
LG Chem Research Park, 188, Munji-ro Yuseong-gu
Daejeon 34122 / KR
 [2024/14]
Former [2021/45]01 / LEE, Eung Ju
Daejeon 34122 / KR
02 / JUNG, Ji Hun
Daejeon 34122 / KR
03 / LEE, Jun Won
Daejeon 34122 / KR
Representative(s)Hoffmann Eitle
Patent- und Rechtsanwälte PartmbB
Arabellastraße 30
81925 München / DE
[2021/45]
Application number, filing date20880127.423.10.2020
[2021/45]
WO2020KR14576
Priority number, dateKR2019013247823.10.2019         Original published format: KR 20190132478
[2021/45]
Filing languageKO
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021080374
Date:29.04.2021
Language:KO
[2021/17]
Type: A1 Application with search report 
No.:EP3907186
Date:10.11.2021
Language:EN
[2021/45]
Type: B1 Patent specification 
No.:EP3907186
Date:03.04.2024
Language:EN
[2024/14]
Search report(s)International search report - published on:KR29.04.2021
(Supplementary) European search report - dispatched on:EP15.03.2022
ClassificationIPC:C01G53/00, H01M4/525, H01M4/505, H01M10/052, H01M4/02, H01M10/0525
[2023/52]
CPC:
H01M4/525 (EP,CN,KR,US); C01G53/006 (EP,CN,KR,US); C01G53/50 (EP,US);
H01M10/052 (KR); H01M10/0525 (EP,CN,US); H01M4/0497 (US);
H01M4/485 (CN); H01M4/505 (CN,KR,US); C01P2002/60 (EP,US);
C01P2002/70 (KR); C01P2002/72 (CN); C01P2004/03 (CN);
C01P2004/04 (EP,US); C01P2004/50 (EP,KR,US); C01P2004/54 (EP,KR,US);
H01M2004/021 (CN); H01M2004/028 (CN,KR,US); Y02E60/10 (EP,US) (-)
Former IPC [2021/45]C01G53/00, H01M4/525, H01M4/505, H01M10/052, H01M4/02
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 [2021/45]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:VERFAHREN ZUR HERSTELLUNG EINES POSITIVELEKTRODEN-AKTIVMATERIALS UND VORLÄUFER EINES POSITIVELEKTRODEN-AKTIVMATERIALS[2021/45]
English:METHOD FOR PREPARING POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR AND POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR[2021/45]
French:PROCÉDÉ DE PRÉPARATION DE PRÉCURSEUR DE MATÉRIAU ACTIF D'ÉLECTRODE POSITIVE, ET PRÉCURSEUR DE MATÉRIAU ACTIF D'ÉLECTRODE POSITIVE ASSOCIÉ[2021/45]
Entry into regional phase05.08.2021Translation filed 
05.08.2021National basic fee paid 
05.08.2021Search fee paid 
05.08.2021Designation fee(s) paid 
05.08.2021Examination fee paid 
Examination procedure05.08.2021Examination requested  [2021/45]
29.09.2022Amendment by applicant (claims and/or description)
12.12.2022Despatch of a communication from the examining division (Time limit: M04)
24.04.2023Reply to a communication from the examining division
27.11.2023Cancellation of oral proceeding that was planned for 15.12.2023
14.12.2023Communication of intention to grant the patent
15.12.2023Date of oral proceedings (cancelled)
23.02.2024Fee for grant paid
23.02.2024Fee for publishing/printing paid
23.02.2024Receipt of the translation of the claim(s)
Fees paidRenewal fee
21.10.2022Renewal fee patent year 03
25.10.2023Renewal fee patent year 04
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Documents cited:Search[X]JP2017130395  (JX NIPPON MINING & METALS CORP);
 [X]US2019074513  (HAM DONGJIN [KR], et al)
International search[A]KR100815583B  (IUCF HYU [KR]);
 [A]KR20160043862  (POSCO ES MATERIALS CO LTD [KR]);
 [A]KR20160075404  (POSCO ES MATERIALS CO LTD [KR]);
 [X]KR20170076723  (SUMITOMO METAL MINING CO [JP]);
 [A]WO2017150945  (LG CHEMICAL LTD [KR])
ExaminationCN108585065
by applicantKR101577179B
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.