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EP0025963
European procedure
Extract from the Register of European Patents
EP About this file: EP0025963
| EP0025963 - Process for improving the activity of silver-support catalysts [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 04.05.1984 Database last updated on 02.11.2024 | Most recent event Tooltip | 04.05.1984 | No opposition filed within time limit | published on 04.07.1984 [1984/27] | Applicant(s) | For all designated states HOECHST AKTIENGESELLSCHAFT 65926 Frankfurt am Main / DE | [N/P] |
| Former [1983/25] | For all designated states HOECHST AKTIENGESELLSCHAFT D-65926 Frankfurt am Main / DE | ||
| Former [1981/13] | For all designated states HOECHST AKTIENGESELLSCHAFT Postfach 80 03 20 D-65926 Frankfurt / DE | Inventor(s) | 01 /
Alfranseder, Josef Hauptstrasse 31 D-8261 Markt1/Inn; / DE | 02 /
Mayer, Sigmund Hochfellnstrasse 20 D-8261 Burgkirchen/Alz; / DE | 03 /
Rebsdat, Siegfried, Dr. Trenbeckstrasse 24 D-8261 Burg, Post Neuötting / DE | 04 /
Riedl, Josef, Dr. Kantstrasse 53 D-8261 Burgkirchen/Alz; / DE | 05 /
Schaffelhofer, Iwo, Dr. Ketteler Strasse 2 D-8263 Burghausen/Salzach / DE | [1981/13] | Application number, filing date | 80105513.8 | 13.09.1980 | [1981/13] | Priority number, date | DE19792938245 | 21.09.1979 Original published format: DE 2938245 | [1981/13] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0025963 | Date: | 01.04.1981 | Language: | DE | [1981/13] | Type: | B1 Patent specification | No.: | EP0025963 | Date: | 22.06.1983 | Language: | DE | [1983/25] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.12.1980 | Classification | IPC: | B01J23/96, C07D301/10 | [1981/13] | CPC: |
B01J23/50 (EP,US);
B01J23/96 (EP,US);
B01J38/485 (EP,US);
C07D301/10 (EP,US);
Y02P20/584 (EP,US)
| Designated contracting states | BE, DE, FR, GB, IT, NL, SE [1981/13] | Title | German: | Verfahren zur Verbesserung der Wirksamkeit von Silber-Trägerkatalysatoren | [1981/13] | English: | Process for improving the activity of silver-support catalysts | [1981/13] | French: | Procédé pour l'amélioration de l'activité de catalyseurs d'argent sur support | [1981/13] | Examination procedure | 14.05.1981 | Examination requested [1981/30] | 11.09.1981 | Despatch of a communication from the examining division (Time limit: M04) | 12.01.1982 | Reply to a communication from the examining division | 04.03.1982 | Despatch of a communication from the examining division (Time limit: M04) | 02.07.1982 | Reply to a communication from the examining division | 04.10.1982 | Despatch of communication of intention to grant (Approval: ) | 10.12.1982 | Communication of intention to grant the patent | 26.02.1983 | Fee for grant paid | 26.02.1983 | Fee for publishing/printing paid | Opposition(s) | 23.03.1984 | No opposition filed within time limit [1984/27] | Fees paid | Renewal fee | 07.08.1982 | 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 | DE2062190 [ ]; | FR2368298 [ ] (SHELL INT RESEARCH [NL]); | GB1512625 [ ] (SHELL BV); | DE2751767 [ ] (BASF AG) |