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EP0941985
European procedure
Extract from the Register of European Patents
EP About this file: EP0941985
| EP0941985 - Process for the preparation of 4-aminodiphenylamine [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 11.01.2003 Database last updated on 30.07.2024 | Most recent event Tooltip | 11.01.2003 | No opposition filed within time limit | published on 26.02.2003 [2003/09] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [1999/37] | Inventor(s) | 01 /
Ooms, Pieter, Dr. Doerperhofstrasse 16 47800 Krefeld / DE | 02 /
Giera, Henry, Dr. Ehrenfeld 53 51429 Bergisch Gladbach / DE | [1999/37] | Application number, filing date | 99104230.0 | 03.03.1999 | [1999/37] | Priority number, date | DE1998110929 | 13.03.1998 Original published format: DE 19810929 | [1999/37] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0941985 | Date: | 15.09.1999 | Language: | DE | [1999/37] | Type: | B1 Patent specification | No.: | EP0941985 | Date: | 06.03.2002 | Language: | DE | [2002/10] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 04.06.1999 | Classification | IPC: | C07C209/36, C07C209/38, C07C211/55 | [1999/37] | CPC: |
C07C209/38 (EP,US);
C07C209/36 (EP,KR,US)
| C-Set: |
C07C209/36, C07C211/55 (EP,US);
C07C209/38, C07C211/55 (US,EP) | Designated contracting states | BE, DE, FR, GB, IT [2000/21] |
| Former [1999/37] | AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE | Title | German: | Verfahren zur Herstellung von 4-Aminodiphenylamin | [1999/37] | English: | Process for the preparation of 4-aminodiphenylamine | [1999/37] | French: | Procédé pour la préparation de la 4-amino-diphénylamine | [1999/37] | Examination procedure | 15.03.2000 | Examination requested [2000/19] | 04.05.2001 | Despatch of communication of intention to grant (Approval: Yes) | 16.08.2001 | Communication of intention to grant the patent | 26.11.2001 | Fee for grant paid | 26.11.2001 | Fee for publishing/printing paid | Opposition(s) | 09.12.2002 | No opposition filed within time limit [2003/09] | Fees paid | Renewal fee | 02.04.2001 | Renewal fee patent year 03 | 02.04.2002 | Renewal fee patent year 04 |
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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]EP0784049 (BAYER AG [DE]) [A] 1* abstract *; | [AP]EP0895983 (BAYER AG [DE]) [AP] 1 * claims 1-8 * |