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EP0418622
European procedure
Extract from the Register of European Patents
EP About this file: EP0418622
| EP0418622 - Method for the separation of aromatics [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 30.09.1995 Database last updated on 19.10.2024 | Most recent event Tooltip | 25.07.2008 | Change - representative | published on 27.08.2008 [2008/35] | Applicant(s) | For all designated states EC ERDÖLCHEMIE GMBH Alte Strasse 201 D-50769 Köln / DE | [1991/13] | Inventor(s) | 01 /
Jeschke, Manfred Pirolweg 6 D-4047 Dormagen 1 / DE | 02 /
Krämer, Hans-Joachim, Dr. Robert-Koch-Strasse 33 D-4047 Dormagen 1 / DE | 03 /
Michel, Jörg-Uwe Ostpreussenallee 10 D-4047 Dormagen 1 / DE | 04 /
Vechtel, Hermann Oberstrasse 36 D-4047 Dormagen 5 / DE | [1991/13] | Representative(s) | Zobel, Manfred, et al LANXESS Deutschland GmbH LIP IPR 51369 Leverkusen / DE | [N/P] |
| Former [2008/35] | Zobel, Manfred, et al LANXESS Deutschland GmbH LIP IPR 51369 Leverkusen / DE | ||
| Former [1991/13] | Zobel, Manfred, Dr., et al BAYER AG Konzernverwaltung RP Patente Konzern D-51368 Leverkusen / DE | Application number, filing date | 90116818.7 | 01.09.1990 | [1991/13] | Priority number, date | DE19893930992 | 16.09.1989 Original published format: DE 3930992 | [1991/13] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0418622 | Date: | 27.03.1991 | Language: | DE | [1991/13] | Type: | A3 Search report | No.: | EP0418622 | Date: | 04.11.1992 | Language: | DE | [1992/45] | Type: | B1 Patent specification | No.: | EP0418622 | Date: | 30.11.1994 | Language: | DE | [1994/48] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 11.09.1992 | Classification | IPC: | C07C7/08 | [1991/13] | CPC: |
C10G7/08 (EP)
| Designated contracting states | BE, DE, ES, FR, GB, IT, NL [1991/13] | Title | German: | Verfahren zur Abtrennung von Aromaten | [1991/13] | English: | Method for the separation of aromatics | [1991/13] | French: | Procédé pour la séparation de composés aromatiques | [1991/13] | Examination procedure | 01.09.1990 | Examination requested [1991/13] | 25.02.1994 | Despatch of communication of intention to grant (Approval: Yes) | 09.03.1994 | Communication of intention to grant the patent | 02.05.1994 | Fee for grant paid | 02.05.1994 | Fee for publishing/printing paid | Opposition(s) | 31.08.1995 | No opposition filed within time limit [1995/47] | Fees paid | Renewal fee | 17.08.1992 | Renewal fee patent year 03 | 13.08.1993 | Renewal fee patent year 04 | 11.08.1994 | Renewal fee patent year 05 |
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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 | [A]EP0248114 (KRUPP KOPPERS GMBH [DE]); | [A]EP0155992 (KRUPP KOPPERS GMBH [DE]); | [A]EP0046876 (KRUPP KOPPERS GMBH [DE]); | [A]US4556404 (SHENOY THIRTHAHALLI A [US], et al); | [AD]DE1568940 (KOPPERS GMBH HEINRICH); | [A]BE767693 (METALLGESELLSCHAFT AG) | [ ] - SIEMENS REVIEW vol. 45, no. 7, July 1978, pages 328 - 330; HERBERT BALL: 'Process chromatographs for use in the production of pure benzene.' |