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Extract from the Register of European Patents

EP About this file: EP0026617

EP0026617 - Process for preparing cathode for electrolysis of alkali metal chloride [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  23.05.1984
Database last updated on 12.11.2024
Most recent event   Tooltip23.05.1984No opposition filed within time limitpublished on 25.07.1984 [1984/30]
Applicant(s)For all designated states
ASAHI GLASS COMPANY LTD.
No. 1-2, Marunouchi 2-chome
Chiyoda-ku, Tokyo / JP
[1981/14]
Inventor(s)01 / Oda, Yoshio
No. 435 Sugetacho Hodogaya-ku
Yokohama-shi Kanagawa-ken / JP
02 / Morimoto, Takeshi
No. 543 Sanmaicho Kanagawa-ku
Yokohama-shi Kanagawa-ken / JP
03 / Suzuki, Kohji
2-59-1, Tsurugamine Asahi-ku
Yokohama-shi Kanagawa-ken / JP
[1981/14]
Representative(s)Warden, John Christopher, et al
R.G.C. Jenkins & Co. 12-15, Fetter Lane
London EC4A 1PL / GB
[N/P]
Former [1983/10]Warden, John Christopher, et al
R.G.C. Jenkins & Co. 12-15, Fetter Lane
London EC4A 1PL / GB
Former [1981/14]Warden, John Christopher
R.G.C. Jenkins & Co. 12-15, Fetter Lane
London EC4A 1PL / GB
Application number, filing date80303290.318.09.1980
[1981/14]
Priority number, dateJP1979012072121.09.1979         Original published format: JP 12072179
[1981/14]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0026617
Date:08.04.1981
Language:EN
[1981/14]
Type: B1 Patent specification 
No.:EP0026617
Date:20.07.1983
Language:EN
[1983/29]
Search report(s)(Supplementary) European search report - dispatched on:EP30.01.1981
ClassificationIPC:C25B11/04
[1981/14]
CPC:
H01M4/86 (EP,US); C25B11/095 (EP,US); Y02E60/50 (EP)
Designated contracting statesDE,   FR,   GB,   IT,   NL [1981/14]
TitleGerman:Verfahren zur Herstellung einer Kathode für die Elektrolyse von Alkalimetallchlorid[1981/14]
English:Process for preparing cathode for electrolysis of alkali metal chloride[1981/14]
French:Procédé de préparation d'une cathode pour l'électrolyse de chlorure de métal alcalin[1981/14]
Examination procedure22.05.1981Examination requested  [1981/32]
22.03.1982Despatch of a communication from the examining division (Time limit: M04)
30.06.1982Reply to a communication from the examining division
16.11.1982Despatch of communication of intention to grant (Approval: )
26.01.1983Communication of intention to grant the patent
16.04.1983Fee for grant paid
16.04.1983Fee for publishing/printing paid
Opposition(s)21.04.1984No opposition filed within time limit [1984/30]
Fees paidRenewal fee
14.09.1982Renewal fee patent year 03
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Documents cited:SearchFR2090116  [ ] (AMERICAN CYANAMID CO);
 US3704171  [ ] (LANDI HENRY PATRICK);
 FR2180488  [ ] (COMP GENERALE ELECTRICITE [FR]);
 US4035254  [ ] (GRITZNER GERHARD)
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.