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EP0000885
European procedure
Extract from the Register of European Patents
EP About this file: EP0000885
| EP0000885 - Process for the preparation of a cyclopentene dione [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 09.09.2024 | Most recent event Tooltip | 14.09.2016 | No opposition filed within time limit | Applicant(s) | For all designated states F. HOFFMANN-LA ROCHE & CO. Aktiengesellschaft Postfach 3255 4002 Basel / CH | [N/P] |
| Former [1980/12] | For all designated states F. HOFFMANN-LA ROCHE & CO. Aktiengesellschaft Postfach 3255 CH-4002 Basel / CH | ||
| Former [1980/12] | For all designated states F. HOFFMANN-LA ROCHE & CIE 124-184 Grenzacherstrasse CH-4002 Basel / CH | Inventor(s) | 01 /
Brenner, Wolf, Dr. Poolstrasse 17 CH-4414 Füllinsdorf / CH | [N/P] | Representative(s) | Lederer, Franz, et al Lederer & Keller Patentanwälte Unsöldstrasse 2 80538 München / DE | [N/P] |
| Former [2008/42] | Lederer, Franz, et al Lederer & Keller Patentanwälte Prinzregentenstrasse 16 80538 München / DE | ||
| Former [1981/23] | Lederer, Franz, Dr., et al Lederer, Keller & Riederer Patentanwälte Prinzregentenstrasse 16 D-80538 München / DE | Application number, filing date | 78100596.2 | 07.08.1978 | Priority number, date | CH19770009910 | 12.08.1977 Original published format: CH 991077 | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0000885 | Date: | 07.03.1979 | Language: | DE | [N/P] | Type: | B1 Patent specification | No.: | EP0000885 | Date: | 10.06.1981 | Language: | DE | [1981/23] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 02.01.1979 | Classification | IPC: | C07C49/597, C07C45/67, // C11B9/00 | [1981/23] | CPC: |
C07C45/673 (EP,US)
| C-Set: |
C07C45/673, C07C49/597 (EP,US)
|
| Former IPC [1981/23] | C07C49/46, C07C45/00, // C11B9/00 | Designated contracting states | BE, CH, DE, FR, GB, NL | Title | German: | Verfahren zur Herstellung eines Cyclopentendions | English: | Process for the preparation of a cyclopentene dione | French: | Procédé pour la préparation d'un cyclopentène dione | File destroyed: | 12.06.1999 | Examination procedure | 03.08.1979 | Examination requested | 22.11.1979 | Despatch of a communication from the examining division (Time limit: M06) | 06.05.1980 | Reply to a communication from the examining division | 09.09.1980 | Despatch of communication of intention to grant (Approval: ) | 12.11.1980 | Communication of intention to grant the patent | 30.01.1981 | Fee for grant paid | 30.01.1981 | Fee for publishing/printing paid | Opposition(s) | 20.04.1982 | No opposition filed within time limit [ N /P ] | Fees paid | Renewal fee | 11.06.1980 | 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. | Lapses during opposition Tooltip | CH | 10.06.1981 | [1993/11] | Documents cited: | Search | [A] - CHEMISCHE BERICHTE, Band 100, September 1967, Weinheim: H. STETTER und H.J. SANDHAGEN: "Uber den Verlauf der Dehydrobromierung bei 4-Brom-2.2-dimethylcyclohexandion-(1.3)"Seiten 2837-2841 |