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EP0648748
European procedure
Extract from the Register of European Patents
EP About this file: EP0648748
| EP0648748 - Process for the preparation of 5-acetoacetylaminobenzimidazolon-2 [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 06.03.1998 Database last updated on 31.08.2024 | Most recent event Tooltip | 06.03.1998 | No opposition filed within time limit | published on 22.04.1998 [1998/17] | Applicant(s) | For all designated states HOECHST AKTIENGESELLSCHAFT Brüningstrasse 50 65929 Frankfurt am Main / DE | [N/P] |
| Former [1995/16] | For all designated states HOECHST AKTIENGESELLSCHAFT Brüningstrasse 50 D-65929 Frankfurt am Main / DE | Inventor(s) | 01 /
Mack, Karl Ernst, Dr. Klingenbachstrasse 43 D-65207 Wiesbaden / DE | 02 /
Bohusch, Michael, Dr. Am Zäunefeld 9 D-61267 Neu Anspach / DE | [1995/16] | Application number, filing date | 94116235.6 | 14.10.1994 | [1995/16] | Priority number, date | DE19934335614 | 19.10.1993 Original published format: DE 4335614 | [1995/16] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0648748 | Date: | 19.04.1995 | Language: | DE | [1995/16] | Type: | B1 Patent specification | No.: | EP0648748 | Date: | 02.05.1997 | Language: | DE | [1997/18] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 16.02.1995 | Classification | IPC: | C07D235/26 | [1995/16] | CPC: |
C07D235/26 (EP,US);
C07D235/16 (KR)
| Designated contracting states | CH, DE, DK, GB, LI [1995/16] | Title | German: | Verfahren zur Herstellung von 5-Acetoacetylaminobenzimidazolon-2 | [1995/16] | English: | Process for the preparation of 5-acetoacetylaminobenzimidazolon-2 | [1995/16] | French: | Procédé pour la préparation de 5-acétoacéthylaminobenzimidazolone-2 | [1995/16] | Examination procedure | 19.10.1995 | Examination requested [1995/50] | 23.11.1995 | Despatch of a communication from the examining division (Time limit: M04) | 11.12.1995 | Reply to a communication from the examining division | 14.02.1996 | Despatch of a communication from the examining division (Time limit: M04) | 25.04.1996 | Reply to a communication from the examining division | 26.08.1996 | Despatch of communication of intention to grant (Approval: Yes) | 18.10.1996 | Communication of intention to grant the patent | 28.01.1997 | Fee for grant paid | 28.01.1997 | Fee for publishing/printing paid | Opposition(s) | 03.02.1998 | No opposition filed within time limit [1998/17] | Fees paid | Renewal fee | 31.10.1996 | 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 | [YD]DE2612391 (HOECHST AG) [YD] 1-5 * the whole document *; | [YD]DE1795051 (HOECHST AG) [YD] 1-5 * page 3, line 1 - page 3, line 4 *; | [AD]JPS57126453 ; | [A]JPH05213896 ; | [AD]DE2518922 (HOECHST AG) [AD] 1-5 * page 1 * | [AD] - DATABASE WPI, 0, Derwent World Patents Index, vol. 82, no. 37, Database accession no. 82-77578E, & JPS57126453 A 19820806 (DAINIPPON INK & CHEM KK) [AD] 1-5 * abstract * | [A] - DATABASE WPI, 0, Derwent World Patents Index, vol. 93, no. 38, Database accession no. 93-299611, & JPH05213896 A 19930824 (HONSHU CHEM IND CO LTD) [A] 1-5 * abstract * |