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EP0022533
European procedure
Extract from the Register of European Patents
EP About this file: EP0022533
| EP0022533 - Process for the preparation of polyvalent phenols [Right-click to bookmark this link] | Status | Patent maintained as amended Status updated on 14.02.1986 Database last updated on 31.08.2024 | Most recent event Tooltip | 14.02.1986 | Patent maintained (B2 publication) | published on 02.04.1986 [1986/14] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
| Former [1981/03] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Jupe, Christoph, Dr. Franz-Peter-Kürten-Weg 2 D-5000 Köln 80 / DE | 02 /
Waldmann, Helmut, Dr. Carl-Rumpff-Strasse 59 D-5090 Leverkusen 1 / DE | 03 /
Seifert, Hermann, Dr. Ruwergasse 4 D-5000 Köln 80 / DE | [1981/03] | Application number, filing date | 80103851.4 | 07.07.1980 | [1981/03] | Priority number, date | DE19792928743 | 17.07.1979 Original published format: DE 2928743 | [1981/03] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0022533 | Date: | 21.01.1981 | Language: | DE | [1981/03] | Type: | B1 Patent specification | No.: | EP0022533 | Date: | 28.07.1982 | Language: | DE | [1982/30] | Type: | B2 New European patent specification | No.: | EP0022533 | Date: | 02.04.1986 | Language: | DE | [1986/14] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 11.11.1980 | Classification | IPC: | C07C39/08, C07C37/60, C07C37/82 | [1981/03] | CPC: |
C07C37/60 (EP,US);
C07C37/82 (EP,US)
| C-Set: |
C07C37/60, C07C39/08 (US,EP);
C07C37/82, C07C39/04 (EP,US);
C07C37/82, C07C39/06 (US,EP)
| Designated contracting states | BE, CH, DE, FR, GB, IT, LI, NL [1981/03] | Title | German: | Verfahren zur Herstellung mehrwertiger Phenole | [1981/03] | English: | Process for the preparation of polyvalent phenols | [1981/03] | French: | Procédé de préparation de phénols polyvalents | [1981/03] | Examination procedure | 07.07.1980 | Examination requested [1981/03] | 11.08.1981 | Despatch of a communication from the examining division (Time limit: M02) | 19.09.1981 | Reply to a communication from the examining division | 19.10.1981 | Despatch of communication of intention to grant (Approval: ) | 29.01.1982 | Communication of intention to grant the patent | 09.02.1982 | Fee for grant paid | 09.02.1982 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
21.04.1983
07.06.1983
ADMISSIBLE RHONE-POULENC CHIMIE Les Miroirs 18 Boucle d'Alsace F-92400 Courbevoie / FR Opponent's representative Rioufrays, Roger RHONE-POULENC INTERSERVICES Service Brevets Chimie Centre de Recherches de Saint-Fons B.P. 62 F-69192 Saint-Fons Cédex / FR | [N/P] |
| Former [1983/26] | |||
| Opponent(s) | 01
21.04.1983
07.06.1983
ADMISSIBLE RHONE-POULENC CHIMIE Les Miroirs 18 Boucle d'Alsace F-92400 Courbevoie / FR Opponent's representative Rioufrays, Roger RHONE-POULENC INTERSERVICES Service Brevets Chimie Centre de Recherches de Saint-Fons B.P. 62 F-69192 Saint-Fons Cédex / FR | 07.06.1983 | Invitation to proprietor to file observations on the notice of opposition | 12.09.1983 | Reply of patent proprietor to notice(s) of opposition | 21.09.1983 | Communication of observations of patent proprietor (Time limit: M04) | 03.12.1983 | Reply of parties involved to observations of patent proprietor | 18.07.1984 | Despatch of a communication from the opposition division (Time limit: M04) | 02.10.1984 | Reply to a communication from the opposition division | 21.05.1985 | Despatch of a communication from the opposition division (Time limit: M04) | 04.07.1985 | Reply to a communication from the opposition division | 29.10.1985 | Despatch of communication that the patent will be maintained as amended | 16.12.1985 | Fee for printing new specification paid | Fees paid | Renewal fee | 15.07.1982 | 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 | US3179703 [ ] (RIEMAN III CASPAR WILLIAM); | FR2071464 [ ] (RHONE POULENC SA); | DE2658866 [ ] (BAYER AG) |