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EP0002477
European procedure
Extract from the Register of European Patents
EP About this file: EP0002477
| EP0002477 - Process for preparing 1,1-dihalo-4-methyl-1,3-pentadienes [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 03.06.2024 | Most recent event Tooltip | 14.09.2016 | No opposition filed within time limit | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] | Inventor(s) | 01 /
Arlt, Dieter, Dr. Rybniker Strasse 2 D-5000 Köln 80 / DE | 02 /
Jautelat, Manfred, Dr. Buchenweg 18 D-5093 Burscheid 2 / DE | [N/P] | Application number, filing date | 78101535.9 | 04.12.1978 | Priority number, date | DE19772756271 | 16.12.1977 Original published format: DE 2756271 | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0002477 | Date: | 27.06.1979 | Language: | DE | [N/P] | Type: | B1 Patent specification | No.: | EP0002477 | Date: | 06.08.1980 | Language: | DE | [1980/16] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 19.04.1979 | Classification | IPC: | C07C21/02, C07C17/00 | [1980/16] | CPC: |
C07C17/361 (EP,US)
| C-Set: |
C07C17/361, C07C21/19 (EP,US)
| Designated contracting states | BE, CH, DE, FR, GB, IT, NL | Title | German: | Verfahren zur Herstellung von 1,1-Dihalogen-4-methyl-1,3-pentadienen | English: | Process for preparing 1,1-dihalo-4-methyl-1,3-pentadienes | French: | Procédé de préparation de dihalogéno-1,1 méthyl-4 pentadiènes-1,3 | File destroyed: | 15.01.2000 | Examination procedure | 04.12.1978 | Examination requested | 27.08.1979 | Despatch of a communication from the examining division (Time limit: M03) | 08.10.1979 | Reply to a communication from the examining division | 14.11.1979 | Despatch of communication of intention to grant (Approval: ) | 18.02.1980 | Communication of intention to grant the patent | 03.03.1980 | Fee for grant paid | 03.03.1980 | Fee for publishing/printing paid | Opposition(s) | 02.03.1982 | No opposition filed within time limit [ N /P ] |
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| Former [1999/42] | IT | 06.08.1980 | Documents cited: | Search | FR2321468 [ ] (BAYER AG [DE]) |