| EP0581194 - A process for the preparation of enamines in aqueous media [Right-click to bookmark this link] | Status | The application has been withdrawn Status updated on 06.11.1998 Database last updated on 11.04.2026 | Most recent event Tooltip | 06.11.1998 | Withdrawal of application | published on 23.12.1998 [1998/52] | Applicant(s) | For all designated states HOECHST MARION ROUSSEL, INC. Kansas City, Missouri 64137-1405 / US | [N/P] |
| Former [1996/50] | For all designated states HOECHST MARION ROUSSEL, Inc. Kansas City, Missouri 64137-1405 / US | ||
| Former [1994/05] | For all designated states HOECHST-ROUSSEL PHARMACEUTICALS INCORPORATED P.O. Box 2500, Route 202-206 Somerville, NJ 08876-1258 / US | Inventor(s) | 01 /
Mueller-Lehar, Juergen 75 Hatheway West Warwick, Rhode / US | [1994/05] | Representative(s) | Fischer, Hans-Jürgen, et al Sanofi-Aventis Deutschland GmbH Patent- und Lizenzabteilung Industriepark Höchst Gebaüde K 801 65926 Frankfurt am Main / DE | [N/P] |
| Former [1994/18] | Fischer, Hans-Jürgen, Dr., et al Hoechst AG Patent- und Lizenzabteilung Gebäude K 801 D-65926 Frankfurt am Main / DE | ||
| Former [1994/05] | Becker, Heinrich Karl Engelbert, Dr. HOECHST AKTIENGESELLSCHAFT Zentrale Patentabteilung Gebäude F 821 D-65926 Frankfurt am Main / DE | Application number, filing date | 93111751.9 | 22.07.1993 | [1994/05] | Priority number, date | US19920921791 | 30.07.1992 Original published format: US 921791 | [1994/05] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0581194 | Date: | 02.02.1994 | Language: | EN | [1994/05] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 09.11.1993 | Classification | IPC: | C07C255/58, C07C229/58, C07D219/10 | [1994/05] | CPC: |
C07C253/30 (EP,KR,US);
C07C255/58 (EP,KR,US);
C07D219/10 (EP,KR,US);
C07C2601/16 (EP,KR,US)
| Designated contracting states | AT, BE, CH, DE, DK, ES, FR, GB, GR, IE, IT, LI, LU, NL, PT, SE [1994/05] | Title | German: | Verfahren zur Herstellung von Enaminen in wässrigen Medium | [1994/05] | English: | A process for the preparation of enamines in aqueous media | [1994/05] | French: | Procédé pour la préparation d'énamines dans un milieu aqueux | [1994/05] | Examination procedure | 10.03.1994 | Examination requested [1994/19] | 18.07.1995 | Despatch of a communication from the examining division (Time limit: M06) | 27.12.1995 | Reply to a communication from the examining division | 06.03.1996 | Despatch of a communication from the examining division (Time limit: M04) | 01.07.1996 | Reply to a communication from the examining division | 09.09.1996 | Despatch of communication of intention to grant (Approval: Yes) | 02.12.1996 | Communication of intention to grant the patent | 12.03.1997 | Fee for grant paid | 12.03.1997 | Fee for publishing/printing paid | 30.10.1998 | Application withdrawn by applicant [1998/52] | Fees paid | Renewal fee | 31.07.1995 | Renewal fee patent year 03 | 31.07.1996 | Renewal fee patent year 04 | 31.07.1997 | Renewal fee patent year 05 | 31.07.1998 | Renewal fee patent year 06 |
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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] US4754050 (SHUTSKE GREGORY M et al.) [X] | [XD] US4631286 (SHUTSKE GREGORY M et al.) [XD] | [A] DE2257203 (YAMANOUCHI PHARMA CO LTD et al.) [A] | [AD] ACTA CHEMICA SCANDINAVICA, vol. B33, no. 1 (1-78),1979, Copenhagen A. OSBIRK et al. "Phosphora- mides. X. Phosphorus Penta- oxide Amine Mixtures and HMPT as Reagents in the Synthesis of 4-Amino- and 4-Dimethyl- amino-2,3-polymethylenequi- nolines" [AD] |