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EP0065741
European procedure
Extract from the Register of European Patents
EP About this file: EP0065741
| EP0065741 - Process for preparing vinyl-phosphonic-acid diesters [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 28.05.1985 Database last updated on 11.04.2026 | Most recent event Tooltip | 28.05.1985 | No opposition filed within time limit | published on 31.07.1985 [1985/31] | Applicant(s) | For all designated states HOECHST AKTIENGESELLSCHAFT 65926 Frankfurt am Main / DE | [N/P] |
| Former [1982/48] | For all designated states HOECHST AKTIENGESELLSCHAFT D-65926 Frankfurt am Main / DE | Inventor(s) | 01 /
Kleiner, Hans-Jerg, Dr. Altkönigstrasse 11a D-6242 Kronberg/Taunus / DE | 02 /
Dürsch, Walter, Dr. In der Braubach 4 D-6240 Königstein/Taunus / DE | [1982/48] | Application number, filing date | 82104337.9 | 18.05.1982 | [1982/48] | Priority number, date | DE19813120438 | 22.05.1981 Original published format: DE 3120438 | [1982/48] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0065741 | Date: | 01.12.1982 | Language: | DE | [1982/48] | Type: | B1 Patent specification | No.: | EP0065741 | Date: | 25.07.1984 | Language: | DE | [1984/30] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.09.1982 | Classification | IPC: | C07F9/40 | [1982/48] | CPC: |
C07F9/4015 (EP)
| Designated contracting states | BE, CH, DE, FR, GB, IT, LI, NL [1982/48] | Title | German: | Verfahren zur Herstellung von Vinylphosphonsäurediestern | [1982/48] | English: | Process for preparing vinyl-phosphonic-acid diesters | [1982/48] | French: | Procédé de préparation d'esters d'acide vinylphosphonique | [1982/48] | Examination procedure | 12.02.1983 | Examination requested [1983/17] | 26.10.1983 | Despatch of communication of intention to grant (Approval: ) | 11.11.1983 | Communication of intention to grant the patent | 09.02.1984 | Fee for grant paid | 09.02.1984 | Fee for publishing/printing paid | Opposition(s) | 26.04.1985 | No opposition filed within time limit [1985/31] | Fees paid | Renewal fee | 11.04.1984 | 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 | [Y] G.M. KOSOLAPOFF and L. MAIER: "Organic phosphorus compounds", Band 7, 1976, John Wiley & Sons, Seite 22, New York, USA [Y] | [YD] CHEMICAL ABSTRACTS, Band 78, Nr. 5, 5. Februar 1973, Seite 517, Nr. 29900q, Columbus, Ohio, USA [YD] |