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Extract from the Register of European Patents

EP About this file: EP0154772

EP0154772 - Bipolar plate for an apparatus made of a stack of electrochemical cells with solid electrolyte, and its manufacturing process [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  02.06.1989
Database last updated on 05.10.2024
Most recent event   Tooltip07.03.1997Lapse of the patent in a contracting statepublished on 23.04.1997 [1997/17]
Applicant(s)For all designated states
BBC Brown Boveri AG
Haselstrasse
CH-5401 Baden / CH
[1987/36]
Former [1985/38]For all designated states
BBC Aktiengesellschaft Brown, Boveri & Cie.
Haselstrasse
CH-5401 Baden / CH
Inventor(s)01 / Christen, Hans-Jörg
Rosenstrasse 6
CH-5417 Untersiggenthal / CH
02 / Devanty, Hubert, Dr.
Chrüzlibergweg 8
CH-5432 Neuenhof / CH
03 / Schellenberg, Claude
Chileweg 4
CH-5413 Birmenstorf / CH
04 / Scherer, Günther, Dr.
Birchhof 8
CH-5412 Gebenstorf / CH
05 / Stucki, Samuel, Dr.
Sternenstrasse 7
CH-5415 Nussbaumen / CH
[1988/31]
Former [1985/38]01 / Christen, Hans-Jörg
Rosenstrasse 6
CH-5417 Untersiggenthal / CH
02 / Devantay, Hubert, Dr.
Chrüzlibergweg 8
CH-5432 Neuenhof / CH
03 / Schellenberg, Claude
Chileweg 4
CH-5413 Birmenstorf / CH
04 / Scherer, Günther, Dr.
Birchhof 8
CH-5412 Gebenstorf / CH
05 / Stucki, Samuel, Dr.
Sternenstrasse 7
CH-5415 Nussbaumen / CH
Application number, filing date85100473.918.01.1985
[1985/38]
Priority number, dateCH1984000035426.01.1984         Original published format: CH 35484
[1985/38]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0154772
Date:18.09.1985
Language:DE
[1985/38]
Type: B1 Patent specification 
No.:EP0154772
Date:03.08.1988
Language:DE
[1988/31]
Search report(s)(Supplementary) European search report - dispatched on:EP16.07.1985
ClassificationIPC:C25B9/00, H01M8/24, C25B11/02
[1985/38]
CPC:
H01M8/0204 (EP,US); C25B9/70 (EP,US); H01M8/0206 (EP,US);
H01M8/0213 (EP,US); H01M8/0226 (EP,US); H01M8/0228 (EP,US);
H01M8/0232 (EP,US); Y02E60/50 (EP); Y02P70/50 (EP,US) (-)
Designated contracting statesCH,   DE,   FR,   GB,   IT,   LI,   SE [1985/38]
TitleGerman:Bipolarplatte für einen aus mehreren elektrochemischen Zellen mit Feststoffelektrolyt aufgebauten stapelartigen Apparat und Verfahren zu deren Herstellung[1985/38]
English:Bipolar plate for an apparatus made of a stack of electrochemical cells with solid electrolyte, and its manufacturing process[1985/38]
French:Plaque bipolaire pour appareil comprenant un empilement de cellules électrochimiques à électrolyte solide, et son procédé de fabrication[1985/38]
Examination procedure12.12.1985Examination requested  [1986/08]
14.07.1986Despatch of a communication from the examining division (Time limit: M04)
20.11.1986Reply to a communication from the examining division
24.04.1987Despatch of a communication from the examining division (Time limit: M04)
03.08.1987Reply to a communication from the examining division
09.12.1987Despatch of communication of intention to grant (Approval: Yes)
03.02.1988Communication of intention to grant the patent
30.04.1988Fee for grant paid
30.04.1988Fee for publishing/printing paid
Opposition(s)04.05.1989No opposition filed within time limit [1989/29]
Fees paidRenewal fee
28.01.1987Renewal fee patent year 03
23.01.1988Renewal fee patent year 04
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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.
Lapses during opposition  TooltipSE03.08.1988
[1997/17]
Former [1989/24]SE03.08.1988
Documents cited:Search[Y]GB978977  (NAT RES DEV);
 [Y]US4210511  (CAMPBELL BARRIE C [US], et al);
 [Y]US4217401  (PELLEGRI ALBERTO [IT], et al);
 [Y]US4339322  (BALKO EDWARD N, et al)
Examination   - Direct Energy Conversion Programs, "Feasibility Study of SPE Fuel Cell Power Plants for Automotive Applications", P.O. 9-L61-3863V-1, prepared for University of California Los Alamos National Laboratory, General Electric, Lanl-2, November 17, 1981
    - S. Stucki and R. Müller, "Evaluation of materials for a water electrolyzer of the membrane type", Hydrogen Energy Progress, Proceedings of the 3rd World Hydrogen Energy Conference held in Tokyo, Japan, 23-26 June 1980, pp. 1799-1808, Pergamon Press
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.