Extract from the Register of European Patents

EP About this file: EP3770204

EP3770204 - CARBON NANOTUBE DISPERSION, SLURRY FOR SECONDARY BATTERY ELECTRODE, METHOD FOR PRODUCING SLURRY FOR SECONDARY BATTERY ELECTRODE, SECONDARY BATTERY ELECTRODE, AND SECONDARY BATTERY [Right-click to bookmark this link]
StatusExamination is in progress
Status updated on  22.08.2025
Database last updated on 28.03.2026
FormerRequest for examination was made
Status updated on  25.12.2020
FormerThe international publication has been made
Status updated on  28.09.2019
Most recent event   Tooltip17.02.2026New entry: Renewal fee paid 
Applicant(s)For all designated states
Zeon Corporation
6-2, Marunouchi, 1-chome
Chiyoda-ku
Tokyo 100-8246 / JP
[2021/04]
Inventor(s)01 / MURASE, Tomoya
c/o ZEON CORPORATION
6-2, Marunouchi 1-chome
Chiyoda-ku
Tokyo 100-8246 / JP
02 / TAKAHASHI, Naoki
c/o ZEON CORPORATION
6-2, Marunouchi 1-chome
Chiyoda-ku
Tokyo 100-8246 / JP
03 / SUGAWARA, Shinsuke
c/o ZEON CORPORATION
6-2, Marunouchi 1-chome
Chiyoda-ku
Tokyo 100-8246 / JP
 [2021/04]
Representative(s)Maiwald GmbH
Elisenhof
Elisenstraße 3
80335 München / DE
[N/P]
Former [2021/04]Maiwald Patent- und Rechtsanwaltsgesellschaft mbH
Elisenhof
Elisenstraße 3
80335 München / DE
Application number, filing date19771860.418.03.2019
[2021/04]
WO2019JP11241
Priority number, dateJP2018005699323.03.2018         Original published format: JP 2018056993
[2021/04]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019181869
Date:26.09.2019
Language:JA
[2019/39]
Type: A1 Application with search report 
No.:EP3770204
Date:27.01.2021
Language:EN
[2021/04]
Search report(s)International search report - published on:JP26.09.2019
(Supplementary) European search report - dispatched on:EP16.12.2021
ClassificationIPC:H01M4/62, C08J3/02, C08K3/04, C08L25/08, H01B1/24, H01B13/00, H01M4/02, H01M4/04, H01M4/13, H01M4/139, C08F8/04, C08F212/08, C08L25/10
[2022/03]
CPC:
C08F212/08 (EP); H01M4/625 (EP,KR); H01M4/622 (EP,US);
C01B32/174 (KR,US); C08F8/04 (EP); C08K3/041 (EP);
H01B1/24 (EP); H01M10/0525 (US); H01M4/04 (KR);
H01M4/13 (EP,KR); H01M4/133 (US); H01M4/139 (EP,KR);
H01M4/1393 (US); H01M4/364 (US); H01M4/606 (US);
H01M4/8828 (US); C08F2810/50 (EP); C08L25/10 (EP);
Y02E60/10 (EP); Y02E60/50 (EP) (-)
C-Set:
C08F212/08, C08F236/06, C08F220/44, C08F220/06 (EP);
C08F8/04, C08F212/08 (EP)
Former IPC [2021/04]C08J3/02, C08K3/04, C08L25/08, H01B1/24, H01B13/00, H01M4/02, H01M4/04, H01M4/13, H01M4/139, H01M4/62
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 [2021/04]
TitleGerman:KOHLENSTOFFNANORÖHRCHENDISPERSION, AUFSCHLÄMMUNG FÜR EINE SEKUNDÄRBATTERIEELEKTRODE, VERFAHREN ZUR HERSTELLUNG EINER AUFSCHLÄMMUNG FÜR EINE SEKUNDÄRBATTERIEELEKTRODE, SEKUNDÄRBATTERIEELEKTRODE UND SEKUNDÄRBATTERIE[2021/04]
English:CARBON NANOTUBE DISPERSION, SLURRY FOR SECONDARY BATTERY ELECTRODE, METHOD FOR PRODUCING SLURRY FOR SECONDARY BATTERY ELECTRODE, SECONDARY BATTERY ELECTRODE, AND SECONDARY BATTERY[2021/04]
French:DISPERSION DE NANOTUBES DE CARBONE, SUSPENSION ÉPAISSE POUR ÉLECTRODE DE BATTERIE SECONDAIRE, PROCÉDÉ DE PRODUCTION DE SUSPENSION ÉPAISSE POUR ÉLECTRODE DE BATTERIE SECONDAIRE, ÉLECTRODE DE BATTERIE SECONDAIRE, ET BATTERIE SECONDAIRE[2021/04]
Entry into regional phase11.09.2020Translation filed 
11.09.2020National basic fee paid 
11.09.2020Search fee paid 
11.09.2020Designation fee(s) paid 
11.09.2020Examination fee paid 
Examination procedure11.09.2020Examination requested  [2021/04]
09.06.2022Amendment by applicant (claims and/or description)
22.08.2025Despatch of a communication from the examining division (Time limit: M04)
17.12.2025Reply to a communication from the examining division
Fees paidRenewal fee
24.03.2021Renewal fee patent year 03
22.02.2022Renewal fee patent year 04
14.02.2023Renewal fee patent year 05
15.02.2024Renewal fee patent year 06
14.02.2025Renewal fee patent year 07
16.02.2026Renewal fee patent year 08
Opt-out from the exclusive  Tooltip
competence of the Unified
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] WO2017043818  (LG CHEMICAL LTD et al.) [X] 1,5-9 * the whole document *[A] 2-4
 [XA] EP3348582  (LG CHEMICAL LTD et al.) * paragraph [0032]; examples 1-9 *[A] 2-4
 [Y] WO2016208190  (ZEON CORP et al.) [Y] 1-9 * the whole document *
 [Y] EP3316359  (ZEON CORP et al.) * examples 3-9; claim all *
 [Y] WO2017056488  (ZEON CORP et al.) [Y] 1-9 * the whole document *
 [Y] EP3358651  (ZEON CORP et al.) * paragraph [0099] - paragraph [0100]; claim all *
International search[XY] WO2016208190  (ZEON CORP et al.) [X] 1-3, 5-9 [Y] 4
 [Y] WO2017056488  (ZEON CORP et al.) [Y] 4
 [A] JP2014218393  (NIPPON ZEON CO et al.) [A] 1-9 * , *
 [A] JP2015195143  (TODA KOGYO CORP et al.) [A] 1-9 * , *
by applicantJP2007056136
 JP2007169120
 JP2012204303
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.