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EP0164639
European procedure
Extract from the Register of European Patents
EP About this file: EP0164639
| EP0164639 - Process for the preparation of poly(arylene sulfides) with functional end groups [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 27.10.1990 Database last updated on 04.11.2024 | Most recent event Tooltip | 27.10.1990 | No opposition filed within time limit | published on 19.12.1990 [1990/51] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
| Former [1985/51] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Heitz, Walter, Prof. Dr. Am Schmidtborn 5 D-3575 Kirchhain / DE | 02 /
Koch, Wolfgang, Dr. Oranienstrasse 13 D-6349 Mittenaar 3 / DE | [1985/51] | Application number, filing date | 85106548.2 | 29.05.1985 | [1985/51] | Priority number, date | DE19843421610 | 09.06.1984 Original published format: DE 3421610 | [1985/51] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0164639 | Date: | 18.12.1985 | Language: | DE | [1985/51] | Type: | A3 Search report | No.: | EP0164639 | Date: | 26.08.1987 | Language: | DE | [1987/35] | Type: | B1 Patent specification | No.: | EP0164639 | Date: | 03.01.1990 | Language: | DE | [1990/01] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 07.07.1987 | Classification | IPC: | C08G75/02 | [1985/51] | CPC: |
C08G75/0231 (EP,US);
C08G75/0236 (EP,US);
C08G75/025 (EP,US);
C08G75/0286 (EP,US)
| Designated contracting states | DE, FR, GB, IT [1985/51] | Title | German: | Verfahren zur Herstellung von Polyarylensulfiden mit funktionellen Endgruppen | [1985/51] | English: | Process for the preparation of poly(arylene sulfides) with functional end groups | [1985/51] | French: | Procédé pour la préparation de poly(sulfures d'arylène) avec des groupes terminaux fonctionnels | [1985/51] | Examination procedure | 29.05.1985 | Examination requested [1985/51] | 20.10.1988 | Despatch of a communication from the examining division (Time limit: M06) | 09.03.1989 | Reply to a communication from the examining division | 13.06.1989 | Despatch of communication of intention to grant (Approval: Yes) | 26.06.1989 | Communication of intention to grant the patent | 29.07.1989 | Fee for grant paid | 29.07.1989 | Fee for publishing/printing paid | Opposition(s) | 05.10.1990 | No opposition filed within time limit [1990/51] | Fees paid | Renewal fee | 22.04.1987 | Renewal fee patent year 03 | 19.04.1988 | Renewal fee patent year 04 | 19.04.1989 | 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. | Documents cited: | Search | [A]EP0075769 (BAYER AG [DE]); | [A]EP0079144 (KUREHA CHEMICAL IND CO LTD [JP]); | [AP]EP0125600 (BAYER AG [DE]); | [AD]FR2470780 (INST FRANCAIS DU PETROLE [FR]) | Examination | EP0053344 |