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EP0953034
European procedure
Extract from the Register of European Patents
EP About this file: EP0953034
| EP0953034 - LIQUID COMPOSITION AND ITS USE AS MAGNETO-RHEOLOGICAL LIQUID [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 05.04.2002 Database last updated on 20.05.2024 | Most recent event Tooltip | 23.10.2009 | Change - representative | published on 25.11.2009 [2009/48] | Applicant(s) | For all designated states RWE-DEA Aktiengesellschaft für Mineraloel und Chemie Überseering 40 22297 Hamburg / DE | [2001/21] |
| Former [1999/44] | For all designated states RWE-DEA AKTIENGESELLSCHAFT FÜR MINERALOEL UND CHEMIE Überseering 40 22297 Hamburg / DE | Inventor(s) | 01 /
GRASSHOFF, Hans-Dieter Sierichstra e 99 D-22299 Hamburg / DE | 02 /
PIRCK, Dietrich Wiesenweg 12 b D-21220 Seevetal / DE | [1999/44] | Representative(s) | Schupfner, Gerhard D. Müller Schupfner & Partner Patentanwälte Parkstrasse 1 21244 Buchholz / DE | [2009/48] |
| Former [1999/44] | Schupfner, Gerhard D., Dr. Dipl.-Chem. Müller, Schupfner & Gauger, Karlstrasse 5 21244 Buchholz / DE | Application number, filing date | 97953659.6 | 20.12.1997 | [1999/44] | WO1997DE02992 | Priority number, date | DE1996154461 | 27.12.1996 Original published format: DE 19654461 | [1999/44] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | WO9829521 | Date: | 09.07.1998 | Language: | DE | [1998/27] | Type: | A1 Application with search report | No.: | EP0953034 | Date: | 03.11.1999 | Language: | DE | The application published by WIPO in one of the EPO official languages on 09.07.1998 takes the place of the publication of the European patent application. | [1999/44] | Type: | B1 Patent specification | No.: | EP0953034 | Date: | 23.05.2001 | Language: | DE | [2001/21] | Search report(s) | International search report - published on: | EP | 09.07.1998 | Classification | IPC: | C10M119/24, H01F1/44 | [1999/44] | CPC: |
H01F1/447 (EP,US);
H01F1/44 (EP,US)
| Designated contracting states | BE, DE, FR, GB [1999/44] | Title | German: | FLÜSSIGKEITSZUSAMMENSETZUNG UND VERWENDUNG DER FLÜSSIGKEITSZUSAMMENSETZUNG ALS MAGNETORHEOLOGISCHE FLÜSSIGKEIT | [1999/44] | English: | LIQUID COMPOSITION AND ITS USE AS MAGNETO-RHEOLOGICAL LIQUID | [1999/44] | French: | COMPOSITION LIQUIDE ET SON UTILISATION COMME LIQUIDE MAGNETO-RHEOLOGIQUE | [1999/44] | Entry into regional phase | 23.07.1999 | National basic fee paid | 23.07.1999 | Designation fee(s) paid | 23.07.1999 | Examination fee paid | Examination procedure | 10.06.1998 | Request for preliminary examination filed International Preliminary Examining Authority: EP | 23.07.1999 | Examination requested [1999/44] | 10.10.2000 | Despatch of communication of intention to grant (Approval: Yes) | 21.11.2000 | Communication of intention to grant the patent | 17.02.2001 | Fee for grant paid | 17.02.2001 | Fee for publishing/printing paid | Opposition(s) | 26.02.2002 | No opposition filed within time limit [2002/21] | Fees paid | Renewal fee | 21.02.2000 | Renewal fee patent year 03 | 21.12.2000 | Renewal fee patent year 04 | Penalty fee | Additional fee for renewal fee | 31.12.1999 | 03 M06 Fee paid on 21.02.2000 |
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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. | Cited in | International search | [DA]US3242210 (DREHER JOHN L, et al) [DA] 1,5 * column 2, line 69 - column 3, line 6; claim 1 *; | [A]US4165329 (DREHER JOHN L, et al) [A] 1,5* column 10, line 18 - line 22; claim 1 *; | [DX]WO9410693 (LORD CORP [US]) [DX] 1,3,4,6-10,12-14 * page 20, line 4 - line 35; claims 1-3,13,35-41,43 * |