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Extract from the Register of European Patents

EP About this file: EP3575439

EP3575439 - ELECTROLYTIC BATH, ELECTROLYSIS DEVICE, ELECTROLYSIS METHOD, AND METHOD FOR PRODUCING HYDROGEN [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  22.09.2023
Database last updated on 15.06.2024
FormerGrant of patent is intended
Status updated on  14.05.2023
FormerExamination is in progress
Status updated on  16.03.2020
FormerRequest for examination was made
Status updated on  01.11.2019
FormerThe international publication has been made
Status updated on  04.08.2018
Most recent event   Tooltip24.05.2024Lapse of the patent in a contracting state
New state(s): LV
published on 26.06.2024 [2024/26]
Applicant(s)For all designated states
Asahi Kasei Kabushiki Kaisha
1-1-2 Yurakucho
Chiyoda-ku
Tokyo 100-0006 / JP
[2019/49]
Inventor(s)01 / HOTTA Shinya
c/o ASAHI KASEI KABUSHIKI KAISHA
1-1-2 Yurakucho
Chiyoda-ku
Tokyo 100-0006 / JP
02 / YOKOTA Masahisa
c/o ASAHI KASEI KABUSHIKI KAISHA
1-1-2 Yurakucho
Chiyoda-ku
Tokyo 100-0006 / JP
03 / FUJIMOTO Norikazu
c/o ASAHI KASEI KABUSHIKI KAISHA
1-1-2 Yurakucho
Chiyoda-ku
Tokyo 100-0006 / JP
04 / KOMURA Ryo
c/o ASAHI KASEI KABUSHIKI KAISHA
1-1-2 Yurakucho
Chiyoda-ku
Tokyo 100-0006 / JP
05 / UCHINO Yousuke
c/o ASAHI KASEI KABUSHIKI KAISHA
1-1-2 Yurakucho
Chiyoda-ku
Tokyo 100-0006 / JP
06 / SUZUKI Yusuke
c/o ASAHI KASEI KABUSHIKI KAISHA
1-1-2 Yurakucho
Chiyoda-ku
Tokyo 100-0006 / JP
 [2019/49]
Representative(s)dompatent von Kreisler Selting Werner - Partnerschaft von Patent- und Rechtsanwälten mbB
Deichmannhaus am Dom
Bahnhofsvorplatz 1
50667 Köln / DE
[2019/49]
Application number, filing date18745271.926.01.2018
[2019/49]
WO2018JP02590
Priority number, dateJP2017001254826.01.2017         Original published format: JP 2017012548
JP2017001255126.01.2017         Original published format: JP 2017012551
[2019/49]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2018139616
Date:02.08.2018
Language:JA
[2018/31]
Type: A1 Application with search report 
No.:EP3575439
Date:04.12.2019
Language:EN
[2019/49]
Type: B1 Patent specification 
No.:EP3575439
Date:25.10.2023
Language:EN
[2023/43]
Search report(s)International search report - published on:JP02.08.2018
(Supplementary) European search report - dispatched on:EP06.03.2020
ClassificationIPC:C25B1/04
[2023/21]
CPC:
C25B15/08 (EP); C25B1/04 (EP); C25B13/02 (EP);
C25B9/00 (EP); C25B9/63 (EP); C25B9/70 (EP);
C25B9/73 (EP); Y02E60/36 (EP); Y02P20/133 (EP) (-)
Former IPC [2020/14]C25B9/00, C25B1/10, C25B9/02, C25B9/20, C25B13/02, C25B15/08, C25B9/18
Former IPC [2019/49]C25B9/00, C25B1/10, C25B9/02, C25B9/20, C25B13/02, C25B15/08
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 [2019/49]
TitleGerman:ELEKTROLYTISCHES BAD, ELEKTROLYSEVORRICHTUNG, ELEKTROLYSEVERFAHREN UND VERFAHREN ZUR HERSTELLUNG VON WASSERSTOFF[2019/49]
English:ELECTROLYTIC BATH, ELECTROLYSIS DEVICE, ELECTROLYSIS METHOD, AND METHOD FOR PRODUCING HYDROGEN[2019/49]
French:BAIN ÉLECTROLYTIQUE, DISPOSITIF D'ÉLECTROLYSE, PROCÉDÉ D'ÉLECTROLYSE ET PROCÉDÉ DE PRODUCTION D'HYDROGÈNE[2019/49]
Entry into regional phase24.07.2019Translation filed 
24.07.2019National basic fee paid 
24.07.2019Search fee paid 
24.07.2019Designation fee(s) paid 
24.07.2019Examination fee paid 
Examination procedure24.07.2019Amendment by applicant (claims and/or description)
24.07.2019Examination requested  [2019/49]
19.03.2020Despatch of a communication from the examining division (Time limit: M04)
16.07.2020Reply to a communication from the examining division
16.09.2020Despatch of a communication from the examining division (Time limit: M04)
11.11.2020Reply to a communication from the examining division
15.11.2021Despatch of a communication from the examining division (Time limit: M04)
21.02.2022Reply to a communication from the examining division
08.12.2022Despatch of a communication from the examining division (Time limit: M04)
03.02.2023Reply to a communication from the examining division
15.05.2023Communication of intention to grant the patent
20.09.2023Fee for grant paid
20.09.2023Fee for publishing/printing paid
20.09.2023Receipt of the translation of the claim(s)
Fees paidRenewal fee
29.01.2020Renewal fee patent year 03
29.01.2021Renewal fee patent year 04
28.01.2022Renewal fee patent year 05
26.01.2023Renewal fee patent year 06
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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.
Lapses during opposition  TooltipAT25.10.2023
HR25.10.2023
LT25.10.2023
LV25.10.2023
PL25.10.2023
RS25.10.2023
SE25.10.2023
BG25.01.2024
GR26.01.2024
IS25.02.2024
PT26.02.2024
[2024/26]
Former [2024/25]AT25.10.2023
HR25.10.2023
LT25.10.2023
PL25.10.2023
RS25.10.2023
SE25.10.2023
BG25.01.2024
GR26.01.2024
IS25.02.2024
PT26.02.2024
Former [2024/24]AT25.10.2023
HR25.10.2023
LT25.10.2023
RS25.10.2023
SE25.10.2023
BG25.01.2024
GR26.01.2024
IS25.02.2024
PT26.02.2024
Former [2024/23]AT25.10.2023
LT25.10.2023
BG25.01.2024
GR26.01.2024
IS25.02.2024
PT26.02.2024
Former [2024/21]LT25.10.2023
BG25.01.2024
GR26.01.2024
IS25.02.2024
Former [2024/20]GR26.01.2024
IS25.02.2024
Documents cited:Search[A]JP2006087987  (ENAGIC CO LTD) [A] 1-17 * the whole document *;
 [A]  - MILEWSKI, J. ET AL, "Modeling an alkaline electrolysis cell through reduced-order and loss estimate approaches", JOURNAL OF POWER SOURCES, (20140707), vol. 269, pages 203 - 211, XP002797813 [A] 1-17 * the whole document *

DOI:   http://dx.doi.org/10.1016/j.jpowsour.2014.06.138
International search[YA]JPS5168477  (ASAHI CHEMICAL IND) [Y] 1-8, 11-20 * , page 4, upper right column, line 3 to page 5, lower right column, line 4, fig. 1-3 & GB 1487284 A, page 6, line 65 to page 8, table 4 & DE 2510396 A & FR 2263034 A & SU 878202 A & NL 7502738 A & SE 7502502 A & BR 7501374 A & CA 1088456 A & IT 1034107 B & SE 432447 B * [A] 9, 10;
 [Y]WO2013191140  (ASAHI CHEMICAL IND [JP]) [Y] 6-8, 12-20 * , paragraphs [0143] -[0154], fig. 7 & US 2015/0203976 A1, paragraphs [0178]-[0188], fig. 7 & EP 2862960 A1 & AU 2013278446 A & CN 104364425 A & TW 201406995 A & AU 2016266062 A *;
 [YA]JP2014009385  (ASAHI KASEI CHEMICALS CORP) [Y] 1-8, 11-20 * , paragraphs [0025], [0042]-[0044] & CN 203295622 U * [A] 9, 10;
 [Y]JP2016094650  (ASAHI KASEI CORP) [Y] 8* , paragraphs [0004]-[0005], fig. 7 (Family: none) *
by applicantJPS59173281
 US4530743
 WO2013191140
 WO2014178317
    - DETLEF STOLTEN et al., Hydrogen Energy, in Hydrogen and fuel cells: fundamentals, technologies and applications, Wiley-VCH Verlag GmbH & Co. KGaA, (20100000), pages 254 - 257
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.