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EP0843745
European procedure
Extract from the Register of European Patents
EP About this file: EP0843745
| EP0843745 - MAINTAINING PROTECTIVE SURFACES ON CARBON CATHODES IN ALUMINIUM ELECTROWINNING CELLS [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 15.09.2000 Database last updated on 13.11.2024 | Most recent event Tooltip | 04.01.2008 | Lapse of the patent in a contracting state New state(s): IT | published on 06.02.2008 [2008/06] | Applicant(s) | For all designated states MOLTECH Invent S.A. 68-70 Blvd. de la Pêtrusse 2320 Luxembourg / LU | [1998/22] | Inventor(s) | 01 /
DE NORA, Vittorio Sandrigham House Nassau / BS | 02 /
DURUZ, Jean-Jacques 4, rue de Hesse CH-1204 Geneva / CH | [1998/22] | Representative(s) | Cronin, Brian Harold John CRONIN Intellectual Property Chemin de Précossy 31 1260 Nyon / CH | [N/P] |
| Former [1999/35] | Cronin, Brian Harold John c/o MOLTECH S.A. 9, Route de Troinex 1227 Carouge/GE / CH | ||
| Former [1999/32] | Manke, Lars (DE) Uexküll & Stolberg Patentanwälte Beselerstrasse 4 D-22607 Hamburg / DE | ||
| Former [1998/22] | Cronin, Brian Harold John c/o MOLTECH S.A. 9, Route de Troinex 1227 Carouge/GE / CH | Application number, filing date | 96924110.8 | 06.08.1996 | [1998/22] | WO1996IB00778 | Priority number, date | US19950511647 | 07.08.1995 Original published format: US 511647 | [1998/22] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9706289 | Date: | 20.02.1997 | Language: | EN | [1997/09] | Type: | A1 Application with search report | No.: | EP0843745 | Date: | 27.05.1998 | Language: | EN | The application published by WIPO in one of the EPO official languages on 20.02.1997 takes the place of the publication of the European patent application. | [1998/22] | Type: | B1 Patent specification | No.: | EP0843745 | Date: | 17.11.1999 | Language: | EN | [1999/46] | Search report(s) | International search report - published on: | EP | 20.02.1997 | Classification | IPC: | C25C3/08, C25C3/06 | [1998/22] | CPC: |
C25C3/06 (EP,US);
C25C3/08 (EP,US)
| Designated contracting states | DE, ES, FR, GB, IT, NL [1998/22] | Title | German: | ERHALTUNG VON SCHUTZFLÄCHEN AUF KOHLENSTOFF-KATHODEN IN ALUMINIUM - ELEKTROLYSEOFEN | [1998/22] | English: | MAINTAINING PROTECTIVE SURFACES ON CARBON CATHODES IN ALUMINIUM ELECTROWINNING CELLS | [1998/22] | French: | MAINTIEN DE SURFACES DE PROTECTION SUR DES CATHODES EN CARBONE DANS DES CELLULES D'EXTRACTION ELECTROLYTIQUE D'ALUMINIUM | [1998/22] | Entry into regional phase | 17.02.1998 | National basic fee paid | 17.02.1998 | Designation fee(s) paid | 17.02.1998 | Examination fee paid | Examination procedure | 11.02.1997 | Request for preliminary examination filed International Preliminary Examining Authority: EP | 17.02.1998 | Examination requested [1998/22] | 28.07.1998 | Despatch of a communication from the examining division (Time limit: M04) | 09.11.1998 | Reply to a communication from the examining division | 27.01.1999 | Despatch of communication of intention to grant (Approval: Yes) | 17.05.1999 | Communication of intention to grant the patent | 13.08.1999 | Fee for grant paid | 13.08.1999 | Fee for publishing/printing paid | Opposition(s) | 18.08.2000 | No opposition filed within time limit [2000/44] | Fees paid | Renewal fee | 12.08.1998 | Renewal fee patent year 03 | 04.08.1999 | Renewal fee patent year 04 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | 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 Tooltip | ES | 17.11.1999 | IT | 17.11.1999 | DE | 18.02.2000 | GB | 06.08.2000 | [2008/06] |
| Former [2002/27] | ES | 17.11.1999 | |
| DE | 18.02.2000 | ||
| GB | 06.08.2000 | ||
| Former [2002/09] | DE | 18.02.2000 | |
| GB | 06.08.2000 | ||
| Former [2001/28] | GB | 06.08.2000 | Cited in | International search | [DA]US5028301 (TOWNSEND DOUGLAS W [US]) |