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EP0197274
European procedure
Extract from the Register of European Patents
EP About this file: EP0197274
| EP0197274 - Process for the preparation of substituted styrenes [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 02.11.1989 Database last updated on 09.09.2024 | Most recent event Tooltip | 02.11.1989 | No opposition filed within time limit | published on 20.12.1989 [1989/51] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
| Former [1986/42] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Henneke, Karl-Wilhelm, Dr. Heymannstrasse 38 D-5090 Leverkusen 1 / DE | 02 /
Wedemeyer, Karlfried, Dr. Bilharzstrasse 7 D-5000 Köln 80 / DE | [1986/42] | Application number, filing date | 86102371.1 | 24.02.1986 | [1986/42] | Priority number, date | DE19853507824 | 06.03.1985 Original published format: DE 3507824 | [1986/42] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0197274 | Date: | 15.10.1986 | Language: | DE | [1986/42] | Type: | B1 Patent specification | No.: | EP0197274 | Date: | 04.01.1989 | Language: | DE | [1989/01] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 18.08.1986 | Classification | IPC: | C07C1/32, C07C17/00, C07C41/18, C07B35/06 | [1986/42] | CPC: |
C07C41/18 (EP,US);
C07C1/323 (EP,US);
C07C17/00 (EP,US)
| C-Set: |
C07C1/323, C07C15/44 (EP,US);
C07C17/00, C07C25/24 (US,EP);
C07C41/18, C07C43/215 (US,EP);
C07C41/18, C07C43/225 (US,EP) | Designated contracting states | DE, FR, GB [1986/42] | Title | German: | Verfahren zur Herstellung von substituierten Styrolen | [1986/42] | English: | Process for the preparation of substituted styrenes | [1986/42] | French: | Procédé pour la préparation de styrènes substitués | [1986/42] | File destroyed: | 02.03.1998 | Examination procedure | 24.02.1986 | Examination requested [1986/42] | 31.05.1988 | Despatch of communication of intention to grant (Approval: Yes) | 16.06.1988 | Communication of intention to grant the patent | 16.07.1988 | Fee for grant paid | 16.07.1988 | Fee for publishing/printing paid | Opposition(s) | 05.10.1989 | No opposition filed within time limit [1989/51] | Fees paid | Renewal fee | 21.01.1988 | 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 | [AD] - TETRAHEDRON LETTERS, Nr. 5, 1968, Seiten 613-616, Pergamon Press, Oxford, GB; A. NOVELLI et al.: "A new synthesis of trans-stilbenes" | [ ] - TETRAHEDRON LETTERS, Nr. 5, 1968, Seiten 613-616, Pergamon Press, Oxford, GB; A. NOVELLI et al.: "A new synthesis of trans-stilbenes" |