EP0012850 - Process for the preparation of ketones by reacting carboxylic-acid halides with alkyl aluminium compounds [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 03.08.2024 | Most recent event Tooltip | 14.09.2016 | No opposition filed within time limit | Applicant(s) | For all designated states HOECHST AKTIENGESELLSCHAFT 65926 Frankfurt am Main / DE | [N/P] |
Former [1981/47] | For all designated states HOECHST AKTIENGESELLSCHAFT D-65926 Frankfurt am Main / DE | ||
Former [1980/14] | For all designated states HOECHST AKTIENGESELLSCHAFT Postfach 80 03 20 D-65926 Frankfurt / DE | Inventor(s) | 01 /
Spielmann, Werner, Dr. Johann-Strauss-Strasse 18a D-6233 Kelkheim (Taunus) / DE | 02 /
Schaeffer, Georg, Dr. Herderstrasse 58 D-6238 Hofheim am Taunus / DE | [1980/14] | Application number, filing date | 79104630.3 | 21.11.1979 | [1980/14] | Priority number, date | DE19782851371 | 28.11.1978 Original published format: DE 2851371 | DE19792941391 | 12.10.1979 Original published format: DE 2941391 | [1980/14] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0012850 | Date: | 09.07.1980 | Language: | DE | [1980/14] | Type: | B1 Patent specification | No.: | EP0012850 | Date: | 25.11.1981 | Language: | DE | [1981/47] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 06.05.1980 | Classification | IPC: | C07C45/45, C07C49/00, // C07C69/76, C07C79/36, C07D307/46, C07D333/22 | [1981/47] | CPC: |
C07D333/22 (EP,US);
C07C201/12 (EP,US);
C07C45/45 (EP,US);
C07D307/46 (EP,US)
| C-Set: |
C07C201/12, C07C205/45 (EP,US);
C07C45/45, C07C49/04, C07C49/203, C07C49/697, C07C49/753, C07C49/78 (US,EP) |
Former IPC [1980/14] | C07C45/45, C07C49/00, C07C69/76, C07C79/36, C07D307/46, C07D333/22 | Designated contracting states | AT, BE, CH, DE, FR, GB, IT, NL [1980/14] | Title | German: | Verfahren zur Herstellung von Ketonen durch Umsetzung von Carbonsäurehalogeniden mit Alkylaluminiumverbindungen | [1980/14] | English: | Process for the preparation of ketones by reacting carboxylic-acid halides with alkyl aluminium compounds | [1980/14] | French: | Procédé de préparation de cétones par réaction d'halogénures d'acides carboxyliques avec des dérivés d'alcoylaluminium | [1980/14] | Examination procedure | 21.08.1980 | Examination requested [1980/23] | 21.11.1980 | Despatch of a communication from the examining division (Time limit: {0}) | 06.02.1981 | Despatch of a communication from the examining division (Time limit: M01) | 16.02.1981 | Reply to a communication from the examining division | 19.03.1981 | Despatch of communication of intention to grant (Approval: ) | 06.04.1981 | Communication of intention to grant the patent | 26.06.1981 | Fee for grant paid | 26.06.1981 | Fee for publishing/printing paid | Opposition(s) | 25.08.1982 | No opposition filed within time limit [ N /P ] | Fees paid | Renewal fee | 07.10.1981 | 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 | DE1249849 [ ] | [ ] - TENSIDE, Bd. 4, Nr. 6, 1967, Munchen, CARL HANSER ZEITSCHRIFTENVERLAG GMBH, H. REINHECKEL und R. HAAGE "Uber Reaktionen mit Aluminiumalkylen,VIII"Seiten 167 bis 171 | [ ] - CHEMICAL ABSTRACTS, Vol.59, 1963 Columbus, OhioUSA Seite 8640e | [ ] - CHEMICAL ABSTRACTS, Vol. 59,1963 Columbus, OhioUSA Seite 8640d | [ ] - CHEMICAL ABSTRACTS, Vol.60, 1964 Columbus, OhioUSA Seite 14420c |