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EP0000043
European procedure
Extract from the Register of European Patents
EP About this file: EP0000043
| EP0000043 - Bisphosphinic acid anhydrides and process for its preparation [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 10.12.2024 | 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] | 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 | 03 /
Linke, Fritz, Dr. Im Flemetz 8 D-6240 Königstein/Taunus / DE | [N/P] | Application number, filing date | 78100072.4 | 01.06.1978 | Priority number, date | DE19772726479 | 11.06.1977 Original published format: DE 2726479 | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0000043 | Date: | 20.12.1978 | Language: | DE | [N/P] | Type: | B1 Patent specification | No.: | EP0000043 | Date: | 06.01.1982 | Language: | DE | [1982/01] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 26.09.1978 | Classification | IPC: | C07F9/32, // C08G79/04 | [1982/01] | CPC: |
C07F9/3235 (EP);
C07F9/305 (EP)
| Designated contracting states | BE, CH, DE, FR, GB, NL | Title | German: | Bisphosphinsäureanhydride und Verfahren zu ihrer Herstellung | English: | Bisphosphinic acid anhydrides and process for its preparation | French: | Anhydrides d'acide bisphosphinique et procédé pour leur préparation | File destroyed: | 12.06.1999 | Examination procedure | 08.02.1979 | Examination requested | 11.07.1979 | Despatch of a communication from the examining division (Time limit: {0}) | 17.10.1980 | Despatch of a communication from the examining division (Time limit: M02) | 27.11.1980 | Reply to a communication from the examining division | 21.04.1981 | Despatch of communication of intention to grant (Approval: ) | 14.05.1981 | Communication of intention to grant the patent | 05.08.1981 | Fee for grant paid | 05.08.1981 | Fee for publishing/printing paid | Opposition(s) | 06.10.1982 | No opposition filed within time limit [ N /P ] | Fees paid | Renewal fee | 10.05.1980 | Renewal fee patent year 03 | 11.05.1981 | Renewal fee patent year 04 |
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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 | BE | 01.06.1982 | CH | 30.06.1982 | [2015/21] |
| Former [1983/49] | BE | 01.06.1982 | |
| GB | 01.06.1982 | ||
| CH | 30.06.1982 | ||
| Former [1983/43] | BE | 01.06.1982 | |
| CH | 30.06.1982 | Documents cited: | Search | [A]DE2328343 (HOECHST AG); | FR2264823 [ ] (EXXON RESEARCH ENGINEERING CO [US]) |