| EP0302487 - Etherification of polyoxyalkylene derivatives [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 22.09.1994 Database last updated on 21.03.2026 | Most recent event Tooltip | 22.09.1994 | No opposition filed within time limit | published on 09.11.1994 [1994/45] | Applicant(s) | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 67063 Ludwigshafen / DE | [N/P] |
| Former [1989/06] | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 D-67063 Ludwigshafen / DE | Inventor(s) | 01 /
Birnbach, Stefan, Dr. Budapester Strasse 45 D-6700 Ludwigshafen / DE | 02 /
Mueller, Josef, Dr. Rieslingstrasse 15 D-6711 Grosskarlbach / DE | 03 /
Wulz, Klaus, Dr. Gerolfstrasse 9 D-6715 Lambsheim / DE | 04 /
Houben, Jochen, Dr. Schulstrasse 9-17 D-6700 Ludwigshafen / DE | [1989/06] | Application number, filing date | 88112674.2 | 04.08.1988 | [1989/06] | Priority number, date | DE19873726121 | 06.08.1987 Original published format: DE 3726121 | [1989/06] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0302487 | Date: | 08.02.1989 | Language: | DE | [1989/06] | Type: | B1 Patent specification | No.: | EP0302487 | Date: | 18.11.1993 | Language: | DE | [1993/46] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 30.11.1988 | Classification | IPC: | C08G65/32, C07C43/11, C07C41/16 | [1989/06] | CPC: |
C08G65/3344 (EP,US);
C08G65/2609 (EP,US)
| Designated contracting states | CH, DE, FR, GB, IT, LI, SE [1989/06] | Title | German: | Veretherung von Polyoxyalkylenderivaten | [1989/06] | English: | Etherification of polyoxyalkylene derivatives | [1989/06] | French: | Ethérification de dérivés de polyoxyalkylènes | [1989/06] | Examination procedure | 08.12.1988 | Examination requested [1989/06] | 04.12.1990 | Despatch of a communication from the examining division (Time limit: M04) | 09.03.1991 | Reply to a communication from the examining division | 12.07.1991 | Despatch of a communication from the examining division (Time limit: M04) | 28.08.1991 | Reply to a communication from the examining division | 16.12.1991 | Despatch of a communication from the examining division (Time limit: M04) | 18.03.1992 | Reply to a communication from the examining division | 31.03.1992 | Despatch of a communication from the examining division (Time limit: M04) | 17.07.1992 | Reply to a communication from the examining division | 15.01.1993 | Despatch of communication of intention to grant (Approval: Yes) | 17.02.1993 | Communication of intention to grant the patent | 08.04.1993 | Fee for grant paid | 08.04.1993 | Fee for publishing/printing paid | Opposition(s) | 19.08.1994 | No opposition filed within time limit [1994/45] | Fees paid | Renewal fee | 10.08.1990 | Renewal fee patent year 03 | 02.01.1991 | Renewal fee patent year 04 | 18.08.1992 | Renewal fee patent year 05 | 19.08.1993 | 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. | Cited in | Examination | Organikum, Organisch-Chemisches Grundpraktikum" 9. Auflage, VEB Deutscher Verlag der Wissenschaften, Berlin 1969, S. 222 - 223 |