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EP0020294
European procedure
Extract from the Register of European Patents
EP About this file: EP0020294
| EP0020294 - A process for the preparation of brominated products of polystyrene [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 27.07.2024 | Most recent event Tooltip | 14.09.2016 | No opposition filed within time limit | Applicant(s) | For all designated states CIBA-GEIGY AG Klybeckstrasse 141 4002 Basel / CH | [N/P] |
| Former [1980/25] | For all designated states CIBA-GEIGY AG Klybeckstrasse 141 CH-4002 Basel / CH | Inventor(s) | 01 /
Kainmüller, Thomas, Dr. Am Hangweg 18 D-6145 Lindenfels/Odenwald / DE | 02 /
Buxbaum, Lothar, Dr. Haus Litzelröder D-6145 Lindenfels/Odenwald / DE | [1980/25] | Application number, filing date | 80810143.0 | 30.04.1980 | [1980/25] | Priority number, date | CH19790004256 | 07.05.1979 Original published format: CH 425679 | [1980/25] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0020294 | Date: | 10.12.1980 | Language: | DE | [1980/25] | Type: | B1 Patent specification | No.: | EP0020294 | Date: | 10.11.1982 | Language: | DE | [1982/45] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 30.07.1980 | Classification | IPC: | C08F8/22, C08F112/08 | [1980/25] | CPC: |
C08F8/22 (EP)
| C-Set: |
C08F8/22, C08F112/08 (EP)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, NL, SE [1980/25] | Title | German: | Verfahren zur Herstellung von bromierten Produkten des Polystyroles | [1980/25] | English: | A process for the preparation of brominated products of polystyrene | [1980/25] | French: | Procédé pour la préparation de produits bromés de polystyrène | [1980/25] | Examination procedure | 02.05.1980 | Examination requested [1980/25] | 05.04.1982 | Despatch of communication of intention to grant (Approval: ) | 13.05.1982 | Communication of intention to grant the patent | 07.07.1982 | Fee for grant paid | 07.07.1982 | Fee for publishing/printing paid | Opposition(s) | 10.08.1983 | No opposition filed within time limit [ N /P ] | Fees paid | Renewal fee | 18.02.1982 | 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 | [D]DE2537385 (BASF AG); | [P]DE2800012 (HUELS CHEMISCHE WERKE AG) |