-
EP0053251
European procedure
Extract from the Register of European Patents
EP About this file: EP0053251
| EP0053251 - Method of dewatering sewage sludge in filter presses [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 27.03.1985 Database last updated on 20.07.2024 | Most recent event Tooltip | 27.03.1985 | No opposition filed within time limit | published on 29.05.1985 [1985/22] | Applicant(s) | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 67063 Ludwigshafen / DE | [N/P] |
| Former [1982/23] | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 D-67063 Ludwigshafen / DE | Inventor(s) | 01 /
Sander, Bruno, Dr. Moerikestrasse 10 D-6700 Ludwigshafen / DE | 02 /
Lauer, Herbert, Dr. Pfalzring 59 D-6704 Mutterstadt / DE | 03 /
Neuwirth, Manfred Thorner Strasse 2B D-6800 Mannheim / DE | [1982/23] | Application number, filing date | 81108206.4 | 12.10.1981 | [1982/23] | Priority number, date | DE19803045120 | 29.11.1980 Original published format: DE 3045120 | [1982/23] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0053251 | Date: | 09.06.1982 | Language: | DE | [1982/23] | Type: | B1 Patent specification | No.: | EP0053251 | Date: | 16.05.1984 | Language: | DE | [1984/20] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 02.03.1982 | Classification | IPC: | C02F11/14, B01D37/00 | [1982/23] | CPC: |
C02F11/122 (EP);
B01D37/00 (EP);
B01D37/03 (EP);
C02F1/54 (EP)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, NL, SE [1982/23] | Title | German: | Verfahren zum Entwässern von Klärschlämmen auf Filterpressen | [1982/23] | English: | Method of dewatering sewage sludge in filter presses | [1982/23] | French: | Procédé pour la déshydratation de boues des eaux d'égout dans des filtres-presses | [1982/23] | Examination procedure | 12.10.1981 | Examination requested [1982/23] | 18.01.1983 | Despatch of a communication from the examining division (Time limit: M04) | 16.03.1983 | Reply to a communication from the examining division | 20.04.1983 | Reply to a communication from the examining division | 25.04.1983 | Despatch of a communication from the examining division (Time limit: M04) | 16.09.1983 | Despatch of communication of intention to grant (Approval: ) | 04.11.1983 | Communication of intention to grant the patent | 18.01.1984 | Fee for grant paid | 18.01.1984 | Fee for publishing/printing paid | Opposition(s) | 19.02.1985 | No opposition filed within time limit [1985/22] | Fees paid | Renewal fee | 15.10.1983 | Renewal fee patent year 03 |
| 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. | Documents cited: | Search | AT241373B [ ] (SIEGENER AG GEISWEID [DE]); | AT247804B [ ] (ROEHM & HAAS GMBH [DE]); | DE2327018 [ ] (LANGEN & CO); | DE2327896 [ ] (GUELLICH VOLKER, et al); | AT349399B [ ] (BAEHR ALBERT [DE]); | DE2920350 [ ] (BASF AG) | Examination | DE2327869 | DE2732018 |