EP0729917 - Application of a process for biological denitrification of water [Right-click to bookmark this link] | Status | The application has been withdrawn Status updated on 21.11.1997 Database last updated on 31.08.2024 | Most recent event Tooltip | 21.11.1997 | Withdrawal of application | published on 07.01.1998 [1998/02] | Applicant(s) | For all designated states WABAG Wassertechnische Anlagen GmbH Lichtenfelser Strasse 53 95326 Kulmbach / DE | [1996/36] | Inventor(s) | 01 /
Speier, Martin Burghaiger Strasse 24 D-95326 Kulmbach / DE | 02 /
Eicken, Walter Weltkampstrasse 12a D-49497 Ibbenbüren / DE | 03 /
Hagen, Klaus, Dr. Grünbaumer Strasse 12 D-95326 Kulmbach / DE | 04 /
Sielhorst, Wilhelm Hünensand 17 D-49716 Meppen-Hünten / DE | 05 /
Weber, Hans-Joachim Hünensand 7 D-49716 Meppen-Hünten / DE | [1996/36] | Representative(s) | Müller, Jürgen Deutsche Babcock AG Lizenz- und Patentabteilung Duisburger Strasse 375 46049 Oberhausen / DE | [N/P] |
Former [1996/36] | Müller, Jürgen, Dipl.-Ing. Deutsche Babcock AG Lizenz- und Patentabteilung Duisburger Strasse 375 46049 Oberhausen / DE | Application number, filing date | 95103135.0 | 04.03.1995 | [1996/36] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0729917 | Date: | 04.09.1996 | Language: | DE | [1996/36] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 21.08.1995 | Classification | IPC: | C02F3/30, C02F1/44, C02F1/52 | [1996/36] | CPC: |
C02F3/1215 (EP);
C02F1/444 (EP);
C02F3/302 (EP);
Y02W10/10 (EP)
| Designated contracting states | AT, DK, ES, FR, GB, SE [1996/36] | Title | German: | Anwendung eines Verfahrens zur biologischen Denitrifikation von Wasser | [1996/36] | English: | Application of a process for biological denitrification of water | [1996/36] | French: | Application d'un procédé pour la dénitrification biologique de l'eau | [1996/36] | Examination procedure | 06.10.1995 | Examination requested [1996/36] | 23.10.1997 | Despatch of a communication from the examining division (Time limit: M04) | 18.11.1997 | Application withdrawn by applicant [1998/02] | Fees paid | Renewal fee | 07.02.1997 | Renewal fee patent year 03 |
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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. | Documents cited: | Search | [Y]JPH0231893 ; | [Y]DE4223285 (SUED CHEMIE AG [DE]) [Y] 2,7 * column 2, line 58 - column 3, line 24 * * column 3, line 44 - column 4, line 20 * * column 4, line 29 - line 34 * * column 4, line 50 - column 5, line 34; figure 1 *; | [A]EP0326457 (BERTIN & CIE [FR]) [A] 1,2 * column 5, line 48 - line 56; figure 1 * * column 7; claims 1,4 *; | [A]JPH06328099 ; | [A]EP0504019 (OMNIUM TRAITEMENT VALORISA [FR]) [A] 2 * column 4; figure .; claims 1,3,4 *; | [A]US4687574 (HELLMAN GORAN [US]) [A] 2 * column 6, line 12 - line 36; claim 1 * | [Y] - KRISTENSEN, G. HOLM ET AL., "BIOLOGICAL DENITRIFICATION OF WASTE WATER FROM WET LIME-GYPSUM FLUE GAS DESULFURIZATION PLANTS", WATER SCI. TECHNOLOGY, LONDON, GB, vol. 23, no. 4-6, pages 691 - 700 [Y] 1,2,7 * page 691, paragraph 1 * | [Y] - DATABASE WPI, 1, Derwent World Patents Index, vol. 90, no. 11, Database accession no. 90-079161, & JPH0231893 A 19900201 (KUBOTA KK) [Y] 1,7 * abstract * | [DA] - H. BODE, "MESOPHILE UND THERMOPHILE HOCHLASTDENITRIFIKATION BEI STARK NITRATHALTIGEM ABWASSER", KORRESPONDENZ ABWASSER, AUGUSTIN DE, vol. 35, no. 5, pages 436 - 438 [DA] 1-8 * the whole document * | [A] - DATABASE WPI, 1, Derwent World Patents Index, vol. 95, no. 07, Database accession no. 95-048143, & JPH06328099 A 19941129 (DAIKI KK) [A] 1 * abstract * |