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EP0005466
European procedure
Extract from the Register of European Patents
EP About this file: EP0005466
| EP0005466 - Process for preparing polyamides free from monomers and dimers [Right-click to bookmark this link] | Status | Patent maintained as amended Status updated on 18.07.1987 Database last updated on 29.03.2025 | Most recent event Tooltip | 05.10.2005 | Change: Appeal number | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] | Inventor(s) | 01 /
Lehr, Günter, Dr. Bethelstrasse 17 D-4150 Krefeld / DE | 02 /
Hucks, Uwe Am Marienstift 30 D-4234 Alpen / DE | 03 /
Vernaleken, Hugo, Dr. Kreuzbergstrasse 147 D-4150 Krefeld / DE | 04 /
Nielinger, Werner, Dr. Bärenstrasse 21 D-4150 Krefeld / DE | 05 /
Tresper, Erhard, Dr. Dahler Dyk 154 D-4150 Krefeld / DE | [N/P] | Application number, filing date | 79101260.2 | 26.04.1979 | Priority number, date | DE19782821686 | 18.05.1978 Original published format: DE 2821686 | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0005466 | Date: | 28.11.1979 | Language: | DE | [N/P] | Type: | B1 Patent specification | No.: | EP0005466 | Date: | 27.04.1983 | Language: | DE | [1983/17] | Type: | B2 New European patent specification | No.: | EP0005466 | Date: | 02.09.1987 | Language: | DE | [1987/36] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 27.09.1979 | Classification | IPC: | C08G69/46 | [1983/17] | CPC: |
C08G69/46 (EP,US)
| Designated contracting states | BE, CH, DE, FR, GB, IT, NL | Title | German: | Verfahren zur Herstellung von monomer- und dimerarmen Polyamiden | English: | Process for preparing polyamides free from monomers and dimers | French: | Procédé de préparation de polyamides exempts de monomères et de dimères | Examination procedure | 26.04.1979 | Examination requested | 17.09.1980 | Despatch of a communication from the examining division (Time limit: M04) | 13.01.1981 | Reply to a communication from the examining division | 02.07.1981 | Despatch of a communication from the examining division (Time limit: M02) | 17.07.1981 | Reply to a communication from the examining division | 10.05.1982 | Despatch of communication of intention to grant (Approval: ) | 30.07.1982 | Communication of intention to grant the patent | 07.08.1982 | Fee for grant paid | 07.08.1982 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
11.11.1983
29.11.1983
ADMISSIBLE BASF Aktiengesellschaft -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE | [N/P] |
| Former [1984/03] | |||
| Opponent(s) | 01
11.11.1983
29.11.1983
ADMISSIBLE BASF Aktiengesellschaft, Ludwigshafen -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE | 12.03.1984 | Invitation to proprietor to file observations on the notice of opposition | 14.07.1984 | Reply of patent proprietor to notice(s) of opposition | 13.08.1984 | Communication of observations of patent proprietor (Time limit: M04) | 23.11.1984 | Reply of parties involved to observations of patent proprietor | 03.04.1985 | Despatch of a communication from the opposition division (Time limit: M03) | 04.07.1985 | Reply to a communication from the opposition division | 12.03.1987 | Despatch of communication that the patent will be maintained as amended | 15.05.1987 | Fee for printing new specification paid | Appeal following opposition | 03.01.1986 | Appeal received No. T0009/86 | 06.03.1986 | Statement of grounds filed | 06.11.1986 | Result of appeal procedure: maintenance in amended form | Fees paid | Renewal fee | 04.04.1981 | Renewal fee patent year 03 | 07.04.1982 | Renewal fee patent year 04 | 21.03.1983 | 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. | Lapses during opposition Tooltip | BE | 30.04.1985 | CH | 30.04.1985 | NL | 01.11.1985 | [1991/49] |
| Former [1989/19] | CH | 30.04.1985 | |
| NL | 01.11.1985 | ||
| Former [1986/32] | NL | 01.11.1985 | Documents cited: | Search | GB827703 [ ] (INVENTA AG); | DE1720661 [ ] (BAYER AG); | US4013626 [ ] (KATSUMOTO KIYOSHI, et al) |