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EP0144830
European procedure
Extract from the Register of European Patents
EP About this file: EP0144830
| EP0144830 - Process for preparing 4,4'-diamino-benzophenone [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 22.07.1988 Database last updated on 03.01.2025 | Most recent event Tooltip | 22.07.1988 | No opposition filed within time limit | published on 07.09.1988 [1988/36] | Applicant(s) | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 67063 Ludwigshafen / DE | [N/P] |
| Former [1985/25] | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 D-67063 Ludwigshafen / DE | Inventor(s) | 01 /
Disteldorf, Walter, Dr. Portugieser Weg 17 D-6706 Wachenheim / DE | 02 /
Eisfeld, Wolfgang, Dr. Dubliner Strasse 6 D-6700 Ludwigshafen / DE | 03 /
Kohler, Rolf-Dieter, Dr. Amselweg 3 D-6803 Edingen-Neckarhausen / DE | [1985/25] | Application number, filing date | 84113762.3 | 14.11.1984 | [1985/25] | Priority number, date | DE19833342462 | 24.11.1983 Original published format: DE 3342462 | [1985/25] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0144830 | Date: | 19.06.1985 | Language: | DE | [1985/25] | Type: | B1 Patent specification | No.: | EP0144830 | Date: | 16.09.1987 | Language: | DE | [1987/38] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 25.03.1985 | Classification | IPC: | C07C97/10 | [1985/25] | CPC: |
C07D209/48 (EP,US)
| Designated contracting states | CH, DE, FR, GB, LI [1985/25] | Title | German: | Verfahren zur Herstellung von 4,4'-Diaminobenzophenonen | [1985/25] | English: | Process for preparing 4,4'-diamino-benzophenone | [1985/25] | French: | Procédé pour la préparation de la diamino-4,4' benzophénone | [1985/25] | Examination procedure | 07.11.1985 | Examination requested [1986/03] | 12.05.1986 | Despatch of a communication from the examining division (Time limit: M04) | 30.07.1986 | Reply to a communication from the examining division | 19.02.1987 | Despatch of communication of intention to grant (Approval: ) | 18.03.1987 | Communication of intention to grant the patent | 13.06.1987 | Fee for grant paid | 13.06.1987 | Fee for publishing/printing paid | Opposition(s) | 17.06.1988 | No opposition filed within time limit [1988/36] | Fees paid | Renewal fee | 14.11.1986 | 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 | [A]DE289108 ; | [A]DE1102176 (BASF AG); | [A]AU484222B ; | [AED]DE3319650 (BASF AG [DE]) |