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Extract from the Register of European Patents

EP About this file: EP4280309

EP4280309 - POSITIVE ELECTRODE SHEET, SECONDARY BATTERY, AND ELECTRICAL APPARATUS [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  20.10.2023
Database last updated on 30.07.2024
FormerThe international publication has been made
Status updated on  07.10.2023
Formerunknown
Status updated on  17.07.2023
Most recent event   Tooltip23.05.2024The date on which the examining division becomes responsible, has been established 
Applicant(s)For all designated states
Contemporary Amperex Technology Co., Limited
No.2 Xingang Road
Zhangwan Town
Jiaocheng District
Ningde City, Fujian 352100 / CN
[2023/47]
Inventor(s)01 / LIU, Huihui
Ningde, Fujian 352100 / CN
02 / FENG, Lingyun
Ningde, Fujian 352100 / CN
03 / FAN, Yanhuang
Ningde, Fujian 352100 / CN
04 / DUAN, Lianwei
Ningde, Fujian 352100 / CN
 [2023/47]
Representative(s)Gong, Jinping
CocreateIP
Neumarkterstr. 21
81673 München / DE
[N/P]
Former [2023/47]Gong, Jinping
CocreateIP
Eggenfeldenerstraße 56
81929 München / DE
Application number, filing date22919266.131.03.2022
[2023/47]
WO2022CN84404
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2023184335
Date:05.10.2023
Language:ZH
[2023/40]
Type: A1 Application with search report 
No.:EP4280309
Date:22.11.2023
Language:EN
[2023/47]
Search report(s)International search report - published on:CN05.10.2023
(Supplementary) European search report - dispatched on:EP12.03.2024
ClassificationIPC:H01M4/58, H01M4/62, H01M10/0525
[2023/47]
CPC:
H01M4/136 (EP,US); H01M4/366 (EP,US); H01M4/5825 (EP,US);
H01M4/583 (EP,US); H01M4/622 (EP,US); H01M4/625 (EP,US);
H01M2004/021 (EP,US); H01M2004/028 (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,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2023/47]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:POSITIVELEKTRODENPLATTE, SEKUNDÄRBATTERIE UND STROMVERBRAUCHENDE VORRICHTUNG[2023/47]
English:POSITIVE ELECTRODE SHEET, SECONDARY BATTERY, AND ELECTRICAL APPARATUS[2023/47]
French:FEUILLE D'ÉLECTRODE POSITIVE, BATTERIE SECONDAIRE ET APPAREIL ÉLECTRIQUE[2023/47]
Entry into regional phase17.07.2023Translation filed 
17.07.2023National basic fee paid 
17.07.2023Search fee paid 
17.07.2023Designation fee(s) paid 
17.07.2023Examination fee paid 
Examination procedure17.07.2023Amendment by applicant (claims and/or description)
17.07.2023Examination requested  [2023/47]
23.05.2024Date on which the examining division has become responsible
Fees paidRenewal fee
03.01.2024Renewal 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[A]JPH1173943  (TOSHIBA CORP) [A] 1-21 * the whole document *;
 [A]JP2014056722  (ASAHI GLASS CO LTD) [A] 1-21 * the whole document *;
 [A]CN114174384  (JOINT STOCK LG CHEMISTRY) [A] 1-21 * the whole document *;
 [A]CN114256448  (BEAI DIJI CO LTD) [A] 1-21 * the whole document *;
 [A]  - Zhao De ET AL, "Synthesis of B Doped Li1+2xMn0.8Fe0.2P1-xBxO4 as Cathode Material for Lithium Ion BatteryChinese", Journal of the Chinese Cermaic Society, DOI:10.14062/j.issn.0454-5648.2017.01.01, (20170101), URL: https://www.cnki.net/kcms/doi/10.14062/j.issn.0454-5648.2017.01.01.html, (20240228), XP093135988 [A] 1-21
International search[Y]JPH1173943  (TOSHIBA CORP) [Y] 1-30 * description, paragraphs 14-53, and figure 2 *;
 [Y]CN103069624  (SHARP KK) [Y] 1-30 * description, paragraphs 2 and 18-137 *;
 [Y]JP2014056722  (ASAHI GLASS CO LTD) [Y] 1-30 * description, paragraphs 18-119 *;
 [Y]CN110431697  (LG CHEMICAL LTD) [Y] 9-18* description, paragraphs 11-92 *;
 [Y]CN114174384  (JOINT STOCK LG CHEMISTRY) [Y] 9-18 * description, paragraphs 29-170 *;
 [Y]CN114256448  (BEAI DIJI CO LTD) [Y] 1-30 * description, paragraphs 2-123, and figures 1-4 *
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.