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EP0922846
European procedure
Extract from the Register of European Patents
EP About this file: EP0922846
| EP0922846 - Process for the reduction of the content of NOx in the exhaust gas of an internal combustion engine [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 01.04.2005 Database last updated on 09.09.2024 | Most recent event Tooltip | 01.04.2005 | No opposition filed within time limit | published on 18.05.2005 [2005/20] | Applicant(s) | For all designated states MAN Nutzfahrzeuge Aktiengesellschaft Dachauer Strasse 667 80995 München / DE | [1999/24] | Inventor(s) | 01 /
Steinert, Ralf, Dipl.-Ing. Siemensstrasse 27 90459 Nürnberg / DE | [1999/24] | Representative(s) | (deleted) | [2003/43] |
| Former [2003/25] | Wolf, Jens, Dipl.-Phys. Patentanwalt Brahmsweg 3 30989 Gehrden / DE | Application number, filing date | 98120906.7 | 04.11.1998 | [1999/24] | Priority number, date | DE1997155299 | 12.12.1997 Original published format: DE 19755299 | [1999/24] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0922846 | Date: | 16.06.1999 | Language: | DE | [1999/24] | Type: | A3 Search report | No.: | EP0922846 | Date: | 15.05.2002 | [2002/20] | Type: | B1 Patent specification | No.: | EP0922846 | Date: | 26.05.2004 | Language: | DE | [2004/22] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 04.04.2002 | Classification | IPC: | F02D41/14, F02D33/02, F02D41/02 | [2002/20] | CPC: |
F02D41/1475 (EP);
F02D41/1498 (EP);
F02D2200/1015 (EP);
F02D2250/36 (EP);
F02D41/1446 (EP)
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| Former IPC [1999/24] | F02D41/14, F02D33/02 | Designated contracting states | DE, FR, IT, NL, SE [2003/06] |
| Former [1999/24] | AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE | Title | German: | Verfahren zur NOx-Reduzierung an gemischverdichtenden Brennkraftmaschinen | [1999/24] | English: | Process for the reduction of the content of NOx in the exhaust gas of an internal combustion engine | [1999/24] | French: | Procédé pour la réduction de la teneur en NOx des gaz d'échappement d'un moteur à combustion interne. | [1999/24] | Examination procedure | 28.05.2002 | Examination requested [2002/31] | 19.08.2002 | Despatch of a communication from the examining division (Time limit: M03) | 06.11.2002 | Reply to a communication from the examining division | 23.12.2002 | Despatch of communication that the application is refused, reason: substantive examination {1} | 01.08.2003 | Communication of intention to grant the patent | 21.11.2003 | Fee for grant paid | 21.11.2003 | Fee for publishing/printing paid | Opposition(s) | 01.03.2005 | No opposition filed within time limit [2005/20] | Fees paid | Renewal fee | 15.09.2000 | Renewal fee patent year 03 | 09.04.2002 | Renewal fee patent year 04 | 10.09.2002 | Renewal fee patent year 05 | 28.10.2003 | Renewal fee patent year 06 | Penalty fee | Additional fee for renewal fee | 30.11.2001 | 04 M06 Fee paid on 09.04.2002 |
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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 | [X]EP0288056 (HITACHI LTD [JP]) [X] 1 * column 1, line 49 - column 2, line 23 * * column 5, line 14 - line 28 * * column 12, line 4 - line 17 * * column 12, line 44 - column 14, line 27 * * column 17, line 39 - column 18, line 4 * * figures 1,2,15,24 *; | [X]EP0440211 (TOYOTA MOTOR CO LTD [JP]) [X] 1,3 * column 1, line 1 - line 48 * * column 2, line 40 - column 3, line 3 * * column 5, line 9 - column 7, line 39 * * column 8, line 19 - column 9, line 24 * * column 9, line 54 - column 10, line 6 * * figures 1,2,5 *; | [A]DE3204842 (VOLKSWAGENWERK AG [DE]) [A] 1-3 * claim 1 * * page 3, paragraph 1 - page 5, paragraph 1 * * page 6, paragraph 2 - page 7, paragraph 1 * * figure - *; | [A]DE3410930 (MOTOREN WERKE MANNHEIM AG [DE]) [A] 1,2 * page 4, paragraph 2 * * page 5, paragraph 2 - page 6, paragraph 3 * * page 7, paragraph 1 - paragraph 2 * * page 8, paragraph 2 * * page 9, paragraph 2 * * figure 1 *; | [A]DE3733052 (MITSUBISHI ELECTRIC CORP [JP]) [A] 1,3 * claims 1,2,6 * * column 2, line 52 - column 3, line 63 * * column 4, line 31 - column 6, line 39 * * figures 1,3,4,8 * |