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EP0299276
European procedure
Extract from the Register of European Patents
EP About this file: EP0299276
| EP0299276 - Method for the isolation of polyarylene sulphides [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 08.04.1995 Database last updated on 03.06.2024 | Most recent event Tooltip | 08.04.1995 | No opposition filed within time limit | published on 31.05.1995 [1995/22] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
| Former [1989/03] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Alfes, Franz Dr. Kruse Boemke 7 D 4150 Krefeld 1 / DE | 02 /
Alewelt, Wolfgang Dr. Stratumer Feld 17 D 4150 Krefeld 12 / DE | 03 /
Eisermann, Wolgang Dr. Auf der Krone 22 D 4000 Düsseldorf 31 / DE | 04 /
Tresper, Erhard Dr. Moerser Strasse 394 D 4150 Krefeld 1 / DE | [1989/03] | Application number, filing date | 88110323.8 | 29.06.1988 | [1989/03] | Priority number, date | DE19873723071 | 11.07.1987 Original published format: DE 3723071 | [1989/03] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0299276 | Date: | 18.01.1989 | Language: | DE | [1989/03] | Type: | A3 Search report | No.: | EP0299276 | Date: | 30.01.1991 | Language: | DE | [1991/05] | Type: | B1 Patent specification | No.: | EP0299276 | Date: | 08.06.1994 | Language: | DE | [1994/23] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 14.12.1990 | Classification | IPC: | C08G75/02 | [1989/03] | CPC: |
C08G75/0213 (US);
C08G75/0254 (US);
C08G75/0281 (EP,US)
| Designated contracting states | BE, DE, FR, GB, IT [1989/03] | Title | German: | Verfahren zur Isolierung von Polyarylensulfiden | [1989/03] | English: | Method for the isolation of polyarylene sulphides | [1989/03] | French: | Procédé d'isolation de poly(sulfures d'arylène) | [1989/03] | Examination procedure | 29.06.1988 | Examination requested [1989/03] | 26.10.1993 | Despatch of communication of intention to grant (Approval: Yes) | 11.11.1993 | Communication of intention to grant the patent | 07.01.1994 | Fee for grant paid | 07.01.1994 | Fee for publishing/printing paid | Opposition(s) | 09.03.1995 | No opposition filed within time limit [1995/22] | Fees paid | Renewal fee | 14.05.1990 | Renewal fee patent year 03 | 28.12.1990 | Renewal fee patent year 04 | 18.05.1992 | Renewal fee patent year 05 | 13.05.1993 | Renewal fee patent year 06 |
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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 | [X]DE3339537 (BASF AG [DE]); | [A]US4507468 (KAWABATA JUHEIJI [JP], et al); | [A]EP0220490 (BAYER AG [DE]) |