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Extract from the Register of European Patents

EP About this file: EP4249542

EP4249542 - POLYPROPYLENE FILM, POLYPROPYLENE FILM INTEGRATED WITH METAL LAYER, AND FILM CAPACITOR [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  25.08.2023
Database last updated on 14.03.2026
FormerThe international publication has been made
Status updated on  27.05.2022
Most recent event   Tooltip27.11.2025New entry: Renewal fee paid 
Applicant(s)For all designated states
Oji Holdings Corporation
7-5, Ginza 4-chome
Chuo-ku
Tokyo 104-0061 / JP
[2023/39]
Inventor(s)01 / ISHIDA, Tatsuji
Tokyo 104-0061 / JP
02 / TOMINAGA, Takeshi
Tokyo 104-0061 / JP
03 / ISHIWATA, Tadakazu
Tokyo 104-0061 / JP
 [2023/39]
Representative(s)Müller-Boré & Partner Patentanwälte PartG mbB
Friedenheimer Brücke 21
80639 München / DE
[2023/39]
Application number, filing date21894580.615.11.2021
[2023/39]
WO2021JP41831
Priority number, dateJP2020019098417.11.2020         Original published format: JP 2020190984
[2023/39]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022107706
Date:27.05.2022
Language:JA
[2022/21]
Type: A1 Application with search report 
No.:EP4249542
Date:27.09.2023
Language:EN
[2023/39]
Search report(s)International search report - published on:JP27.05.2022
(Supplementary) European search report - dispatched on:EP10.09.2024
ClassificationIPC:C08J5/18, H01G4/32, B29C55/14, C08L23/12, H01G4/18
[2024/41]
CPC:
C08L23/12 (EP); C08J5/18 (EP,KR,US); B29C55/02 (KR);
B29C55/143 (EP); B32B15/085 (KR); C08L23/10 (KR);
H01G4/18 (EP); H01G4/258 (US); H01G4/32 (EP,KR,US);
B32B2323/10 (KR); C08J2323/12 (EP,US); C08J2423/12 (EP);
C08L2205/025 (EP,KR) (-)
C-Set:
C08L23/12, C08L23/12 (EP)
Former IPC [2023/39]C08J5/18, B32B15/08, B32B15/085, H01G4/32
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 [2023/39]
TitleGerman:POLYPROPYLENFOLIE, MIT METALLSCHICHT INTEGRIERTE POLYPROPYLENFOLIE UND FOLIENKONDENSATOR[2023/39]
English:POLYPROPYLENE FILM, POLYPROPYLENE FILM INTEGRATED WITH METAL LAYER, AND FILM CAPACITOR[2023/39]
French:FILM DE POLYPROPYLÈNE, FILM DE POLYPROPYLÈNE INTÉGRÉ AVEC UNE COUCHE MÉTALLIQUE ET CONDENSATEUR À FILM[2023/39]
Entry into regional phase06.06.2023Translation filed 
07.06.2023National basic fee paid 
07.06.2023Search fee paid 
07.06.2023Designation fee(s) paid 
07.06.2023Examination fee paid 
Examination procedure07.06.2023Examination requested  [2023/39]
28.02.2025Amendment by applicant (claims and/or description)
28.02.2025Date on which the examining division has become responsible
Fees paidRenewal fee
22.11.2023Renewal fee patent year 03
28.11.2024Renewal fee patent year 04
26.11.2025Renewal fee patent year 05
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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[XI] EP3608353  (OJI HOLDINGS CORP et al.) [X] 1-8,10-13 * paragraphs [0006] , [ 0038] * * examples 5, 6, 9-11; tables 1-3 * * claims 1, 3-7 *[I] 9
International search[A] WO2020045482  (OJI HOLDINGS CORP et al.) [A] 1-13 * entire text *
 [A] JP2007246898  (TORAY INDUSTRIES et al.) [A] 1-13 * entire text *
 [A] JP2016012705  (OJI HOLDINGS CORP et al.) [A] 1-13 * entire text *
 [A] WO2020217930  (OJI HOLDINGS CORP et al.) [A] 1-13 * entire text *
 [A] JP2017101229  (JAPAN POLYPROPYLENE CORP et al.) [A] 1-13 * entire text *
 [A] WO2018181938  (OJI HOLDINGS CORP et al.) [A] 1-13 * entire text *
 [A] WO2019022004  (IDEMITSU KOSAN CO et al.) [A] 1-13 * entire text *
 [A] JP2020100800  (OJI HOLDINGS CORP et al.) [A] 1-13 * entire text *
 [A] JP2017057247  (JAPAN POLYPROPYLENE CORP et al.) [A] 1-13 * entire text *
 [A] WO2015022003  (ABB TECHNOLOGY LTD et al.) [A] 1-13 * entire text *
by applicantWO2018056404
   "4.2.4 Insulation resistance", JIS C, vol. 5101, 2009, pages 16
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.