-
EP0324355
European procedure
Extract from the Register of European Patents
EP About this file: EP0324355
| EP0324355 - Process for preparing aromatic polyesters [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 04.06.1994 Database last updated on 24.08.2024 | Most recent event Tooltip | 04.06.1994 | No opposition filed within time limit | published on 27.07.1994 [1994/30] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
| Former [1989/29] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Tacke, Peter, Dr. Brandenburger Strasse 12 D-4150 Krefeld / DE | 02 /
Grigo, Ulrich, Dr. Michelsheide 9 D-4152 Kempen 3 / DE | 03 /
Idel, Karsten-Josef, Dr. Am Schwarzkamp 38 D-4150 Krefeld / DE | [1989/29] | Application number, filing date | 89100062.2 | 04.01.1989 | [1989/29] | Priority number, date | DE19883800671 | 13.01.1988 Original published format: DE 3800671 | [1989/29] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0324355 | Date: | 19.07.1989 | Language: | DE | [1989/29] | Type: | B1 Patent specification | No.: | EP0324355 | Date: | 04.08.1993 | Language: | DE | [1993/31] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 23.05.1989 | Classification | IPC: | C08G63/78 | [1993/31] | CPC: |
C08G63/78 (EP,US);
C08G63/195 (EP,US)
|
| Former IPC [1989/29] | C08G63/22 | Designated contracting states | DE, FR, GB, IT, NL [1989/29] | Title | German: | Verfahren zur Herstellung von aromatischen Polyestern | [1989/29] | English: | Process for preparing aromatic polyesters | [1989/29] | French: | Procédé de préparation de polyesters aromatiques | [1989/29] | Examination procedure | 12.01.1989 | Examination requested [1989/29] | 19.12.1991 | Despatch of a communication from the examining division (Time limit: M04) | 20.05.1992 | Despatch of a communication from the examining division (Time limit: M02) | 19.06.1992 | Reply to a communication from the examining division | 19.08.1992 | Despatch of a communication from the examining division (Time limit: M02) | 28.09.1992 | Reply to a communication from the examining division | 15.01.1993 | Despatch of communication of intention to grant (Approval: Yes) | 03.02.1993 | Communication of intention to grant the patent | 22.03.1993 | Fee for grant paid | 22.03.1993 | Fee for publishing/printing paid | Opposition(s) | 05.05.1994 | No opposition filed within time limit [1994/30] | Fees paid | Renewal fee | 28.12.1990 | Renewal fee patent year 03 | 12.12.1991 | Renewal fee patent year 04 | 16.12.1992 | Renewal fee patent year 05 |
| 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. | Documents cited: | Search | AT1292B [ ] (SONNENTHAL EMIL); | US4127560 [ ] (KRAMER CHARLES E); | US4330668 [ ] (HIDEO SATO, et al) |