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EP0022072
European procedure
Extract from the Register of European Patents
EP About this file: EP0022072
| EP0022072 - Method and apparatus for concentrating aqueous sludge by electroosmosis [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 25.05.1984 Database last updated on 12.11.2024 | Most recent event Tooltip | 28.09.2007 | Lapse of the patent in a contracting state | published on 31.10.2007 [2007/44] | Applicant(s) | For all designated states BATTELLE MEMORIAL INSTITUTE 7 route de Drize CH-1227 Carouge/Genève / CH | [1981/01] | Inventor(s) | 01 /
Porta, Augusto 31 bis avenue de Miremont CH-1206 Genève / CH | 02 /
Kulhanek, Antonin 47 avenue du Lignon CH-1219 Le Lignon / CH | [1981/01] | Representative(s) | Dousse, Blasco, et al 73, Avenue de Mategin 1217 Meyrin-Genève / CH | [N/P] |
| Former [1981/01] | Dousse, Blasco, et al 7, route de Drize CH-1227 Carouge/Genève / CH | Application number, filing date | 80810190.1 | 03.06.1980 | [1981/01] | Priority number, date | CH19790005191 | 05.06.1979 Original published format: CH 519179 | [1981/01] | Filing language | FR | Procedural language | FR | Publication | Type: | A1 Application with search report | No.: | EP0022072 | Date: | 07.01.1981 | Language: | FR | [1981/01] | Type: | B1 Patent specification | No.: | EP0022072 | Date: | 27.07.1983 | Language: | FR | [1983/30] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 21.10.1980 | Classification | IPC: | B01D13/02, C02F11/12 | [1981/01] | CPC: |
B01D61/56 (EP,US)
| Designated contracting states | BE, CH, DE, FR, GB, IT, LI [1981/01] | Title | German: | Verfahren und Vorrichtung zum Konzentrieren eines wässrigen Schlamms durch Elektroosmose | [1981/01] | English: | Method and apparatus for concentrating aqueous sludge by electroosmosis | [1981/01] | French: | Procédé et dispositif pour concentrer une boue aqueuse par électroosmose | [1981/01] | File destroyed: | 15.01.2000 | Examination procedure | 29.12.1980 | Examination requested [1981/11] | 31.07.1981 | Despatch of a communication from the examining division (Time limit: M04) | 13.11.1981 | Reply to a communication from the examining division | 10.12.1981 | Despatch of a communication from the examining division (Time limit: M02) | 01.02.1982 | Reply to a communication from the examining division | 13.07.1982 | Despatch of a communication from the examining division (Time limit: M02) | 11.09.1982 | Reply to a communication from the examining division | 18.10.1982 | Despatch of communication of intention to grant (Approval: ) | 18.01.1983 | Communication of intention to grant the patent | 18.03.1983 | Fee for grant paid | 18.03.1983 | Fee for publishing/printing paid | Opposition(s) | 28.04.1984 | No opposition filed within time limit [1984/30] | Fees paid | Renewal fee | 26.06.1982 | Renewal fee patent year 03 | 20.06.1983 | Renewal 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 Tooltip | IT | 27.07.1983 | [2007/44] |
| Former [1999/42] | IT | 27.07.1983 | Documents cited: | Search | DE476144 [ ] (STETTINER PORTLAND CEMENT FABR); | GB383199 [ ] (KARL KASPERSEN FJELL); | DE1927740 [ ] (RHEOSOL); | NL68314C [ ]; | DE179086 [ ]; | GB1414564 [ ] (ELECTRICITY COUNCIL); | CH600932 [ ] (VON ROLL AG); | DE266971 [ ] |