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EP0007392
European procedure
Extract from the Register of European Patents
EP About this file: EP0007392
| EP0007392 - Stilbene derivatives, process for their preparation and their use as optical brighteners [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 13.04.1984 Database last updated on 24.08.2024 | Most recent event Tooltip | 13.04.1984 | No opposition filed within time limit | published on 13.06.1984 [1984/24] | Applicant(s) | For all designated states HOECHST AKTIENGESELLSCHAFT 65926 Frankfurt am Main / DE | [N/P] |
| Former [1983/23] | For all designated states HOECHST AKTIENGESELLSCHAFT D-65926 Frankfurt am Main / DE | ||
| Former [1980/03] | For all designated states HOECHST AKTIENGESELLSCHAFT Postfach 80 03 20 D-65926 Frankfurt / DE | Inventor(s) | 01 /
Erckel, Rüdiger, Dr. Staufenstrasse 16 D-6239 Eppstein/Taunus / DE | 02 /
Rösch, Günter Hohlweg 17 D-6232 Bad Soden am Taunus / DE | [1980/03] | Application number, filing date | 79101404.6 | 08.05.1979 | [1980/03] | Priority number, date | DE19782820322 | 10.05.1978 Original published format: DE 2820322 | [1980/03] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0007392 | Date: | 06.02.1980 | Language: | DE | [1980/03] | Type: | B1 Patent specification | No.: | EP0007392 | Date: | 08.06.1983 | Language: | DE | [1983/23] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 30.11.1979 | Classification | IPC: | C07D413/14, C07D417/14, D06L3/12, // C07D213/78 | [1980/03] | CPC: |
C07D413/14 (EP,US);
C07D417/14 (EP,US)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, NL, SE [1980/03] | Title | German: | Stilbenverbindungen, Verfahren zu deren Herstellung und deren Verwendung als optische Aufheller | [1980/03] | English: | Stilbene derivatives, process for their preparation and their use as optical brighteners | [1980/03] | French: | Dérivés stilbéniques, procédé pour leur préparation et leur utilisation comme azurants optiques | [1980/03] | Examination procedure | 25.07.1980 | Examination requested [1980/21] | 21.11.1980 | Despatch of a communication from the examining division (Time limit: M04) | 18.12.1980 | Reply to a communication from the examining division | 30.04.1981 | Despatch of a communication from the examining division (Time limit: M05) | 29.09.1981 | Reply to a communication from the examining division | 22.01.1982 | Despatch of a communication from the examining division (Time limit: M02) | 15.03.1982 | Reply to a communication from the examining division | 02.08.1982 | Despatch of communication of intention to grant (Approval: ) | 12.11.1982 | Communication of intention to grant the patent | 11.02.1983 | Fee for grant paid | 11.02.1983 | Fee for publishing/printing paid | Opposition(s) | 09.03.1984 | No opposition filed within time limit [1984/24] | Fees paid | Renewal fee | 09.04.1981 | Renewal fee patent year 03 | 07.04.1982 | Renewal fee patent year 04 | 14.04.1983 | Renewal fee patent year 05 |
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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 | CH1191964 [ ]; | FR2343741 [ ] (HOECHST AG [DE]) |