EP0256673 - Cathode suitable for use in electrochemical processes evolving hydrogen [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 03.12.1992 Database last updated on 10.07.2024 | Most recent event Tooltip | 23.11.2007 | Lapse of the patent in a contracting state | published on 26.12.2007 [2007/52] | Applicant(s) | For all designated states JOHNSON MATTHEY PUBLIC LIMITED COMPANY New Garden House 78 Hatton Garden London, EC1N 8JP / GB | [N/P] |
Former [1988/08] | For all designated states JOHNSON MATTHEY PUBLIC LIMITED COMPANY New Garden House 78 Hatton Garden London, EC1N 8JP / GB | Inventor(s) | 01 /
Willis, Peter Michael 21 Wantage Road Wallingford Oxfordshire, OX10 0LR / GB | 02 /
Phillips, Ralph Leslie 74 Windermere Road Reading, Berkshire, RG2 7HR / GB | [1988/08] | Representative(s) | Arthur, Bryan Edward, et al Withers & Rogers Goldings House 2 Hays Lane London SE1 2HW / GB | [N/P] |
Former [1988/08] | Arthur, Bryan Edward, et al Withers & Rogers 4 Dyer's Buildings Holborn London EC1N 2JT / GB | Application number, filing date | 87306296.2 | 16.07.1987 | [1988/08] | Priority number, date | GB19860017325 | 16.07.1986 Original published format: GB 8617325 | [1988/08] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0256673 | Date: | 24.02.1988 | Language: | EN | [1988/08] | Type: | B1 Patent specification | No.: | EP0256673 | Date: | 29.01.1992 | Language: | EN | [1992/05] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.12.1987 | Classification | IPC: | C25B11/08 | [1988/08] | CPC: |
C25B11/095 (EP,US);
C25B1/02 (KR);
C25B11/097 (EP,US);
B01J23/42 (KR);
B01J23/462 (KR);
B01J23/50 (KR);
| Designated contracting states | BE, CH, DE, ES, FR, GB, IT, LI, NL, SE [1988/08] | Title | German: | Anwendbare Kathode für elektrochemische Verfahren mit Wasserstoffentwicklung | [1988/08] | English: | Cathode suitable for use in electrochemical processes evolving hydrogen | [1988/08] | French: | Cathode utilisable dans les procédés électrochimiques avec dégagement d'hydrogène | [1988/08] | Examination procedure | 14.07.1988 | Examination requested [1988/37] | 15.11.1989 | Despatch of a communication from the examining division (Time limit: M06) | 21.05.1990 | Reply to a communication from the examining division | 13.08.1990 | Despatch of a communication from the examining division (Time limit: M02) | 14.08.1990 | Reply to a communication from the examining division | 02.05.1991 | Despatch of communication of intention to grant (Approval: No) | 27.06.1991 | Despatch of communication of intention to grant (Approval: later approval) | 22.07.1991 | Communication of intention to grant the patent | 22.10.1991 | Fee for grant paid | 22.10.1991 | Fee for publishing/printing paid | Opposition(s) | 30.10.1992 | No opposition filed within time limit [1993/03] | Fees paid | Renewal fee | 13.07.1989 | Renewal fee patent year 03 | 29.06.1990 | Renewal fee patent year 04 | 28.06.1991 | Renewal 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. | Lapses during opposition Tooltip | IT | 29.01.1992 | NL | 29.01.1992 | [2007/52] |
Former [1999/42] | IT | 29.01.1992 | |
NL | 29.01.1992 | ||
Former [1992/37] | NL | 29.01.1992 | Documents cited: | Search | [AD]FR1152911 (LONZA AG); | [A]DE1567718 (BARTHEL DIPL ING DIPL CHEM GUE); | [AD]GB2074190 (JOHNSON MATTHEY CO LTD); | [AD]EP0059854 (ASAHI GLASS CO LTD [JP]) |