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EP0172931
European procedure
Extract from the Register of European Patents
EP About this file: EP0172931
| EP0172931 - Process for the recovery of anhydrides of dicarboxylic acids containing a 5-membered ring [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 25.10.1991 Database last updated on 31.08.2024 | Most recent event Tooltip | 28.09.2007 | Lapse of the patent in a contracting state New state(s): FR | published on 31.10.2007 [2007/44] | Applicant(s) | For all designated states HÜLS AKTIENGESELLSCHAFT D-45764 Marl / DE | [1986/10] | Inventor(s) | 01 /
Gude, Fritz, Dr. Wilhelmstrasse 4 D-4690 Herne 2 / DE | 02 /
von Praun, Dr., Ferdinand Am Schmöningsberg 8 D-4358 Haltern 6 / DE | [1986/10] | Application number, filing date | 84110196.7 | 28.08.1984 | [1986/10] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0172931 | Date: | 05.03.1986 | Language: | DE | [1986/10] | Type: | B1 Patent specification | No.: | EP0172931 | Date: | 06.04.1988 | Language: | DE | [1988/14] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 18.06.1985 | Classification | IPC: | C07C51/573, C07C57/155 | [1986/10] | CPC: |
C07C51/573 (EP)
| C-Set: |
C07C51/573, C07C57/155 (EP)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, NL [1986/10] | Title | German: | Verfahren zur Gewinnung von 5-Ring-Dicarbonsäureanhydriden | [1988/14] | English: | Process for the recovery of anhydrides of dicarboxylic acids containing a 5-membered ring | [1986/10] | French: | Procédé de récupération des anhydrides d'acides dicarboxyliques ayant un noyau à 5 atomes | [1986/10] |
| Former [1986/10] | Verfaren zur Gewinnung von 5-Ring-Dicarbonsäureanhydriden | File destroyed: | 20.04.2002 | Examination procedure | 06.07.1985 | Examination requested [1986/10] | 09.03.1987 | Despatch of a communication from the examining division (Time limit: M04) | 13.06.1987 | Reply to a communication from the examining division | 12.08.1987 | Despatch of communication of intention to grant (Approval: ) | 09.10.1987 | Communication of intention to grant the patent | 26.11.1987 | Fee for grant paid | 26.11.1987 | Fee for publishing/printing paid | Opposition(s) | 07.01.1989 | No opposition filed within time limit [1991/51] | Fees paid | Renewal fee | 18.07.1986 | Renewal fee patent year 03 | 22.07.1987 | Renewal fee patent year 04 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| 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 | 06.04.1988 | FR | 06.04.1988 | IT | 06.04.1988 | AT | 28.08.1988 | CH | 31.08.1988 | LI | 31.08.1988 | GB | 24.11.1988 | [2002/24] |
| Former [2000/03] | BE | 06.04.1988 | |
| IT | 06.04.1988 | ||
| AT | 28.08.1988 | ||
| CH | 31.08.1988 | ||
| LI | 31.08.1988 | ||
| GB | 24.11.1988 | ||
| Former [1999/42] | BE | 06.04.1988 | |
| IT | 06.04.1988 | ||
| AT | 28.08.1988 | ||
| CH | 31.08.1988 | ||
| LI | 31.08.1988 | ||
| Former [1990/09] | BE | 06.04.1988 | |
| AT | 28.08.1988 | ||
| CH | 31.08.1988 | ||
| LI | 31.08.1988 | ||
| Former [1990/03] | BE | 06.04.1988 | |
| CH | 31.08.1988 | ||
| LI | 31.08.1988 | ||
| Former [1989/52] | BE | 06.04.1988 | |
| Former [1989/49] | BE | 06.04.1988 | |
| Former [1989/03] | BE | 06.04.1988 | Documents cited: | Search | [E]DE3321703 | Examination | EP0174379 |