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EP0483479
European procedure
Extract from the Register of European Patents
EP About this file: EP0483479
| EP0483479 - Pyridiniumsalts containing alkoxysilyl groups [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 12.01.1996 Database last updated on 30.10.2024 | Most recent event Tooltip | 12.01.1996 | No opposition filed within time limit | published on 28.02.1996 [1996/09] | Applicant(s) | For all designated states HÜLS AKTIENGESELLSCHAFT 45764 Marl / DE | [N/P] |
| Former [1992/19] | For all designated states HÜLS AKTIENGESELLSCHAFT D-45764 Marl / DE | Inventor(s) | 01 /
Bernhardt, Günther, Dr. Rheinstrasse 33 W-5205 St. Augustin 2 / US | 02 /
Haas, Margret Uerdinger Strasse 7 W-5200 Köln 60 / DE | 03 /
Kragl, Heinz Eichendorffstrasse 25 W-5210 Troisdorf 15 / DE | 04 /
Larson, Gerald Louis, Prof.Dr. Stormstrasse 10 W-5210 Troisdorf 1 / DE | [1992/19] | Application number, filing date | 91114492.1 | 29.08.1991 | [1992/19] | Priority number, date | DE19904034613 | 31.10.1990 Original published format: DE 4034613 | [1992/19] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0483479 | Date: | 06.05.1992 | Language: | DE | [1992/19] | Type: | B1 Patent specification | No.: | EP0483479 | Date: | 08.03.1995 | Language: | DE | [1995/10] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 27.01.1992 | Classification | IPC: | C07F7/18, B01J31/00 | [1992/19] | CPC: |
B01J31/0237 (EP,US);
B01J31/0239 (EP,US);
B01J31/0274 (EP,US);
C07F7/1804 (EP,US);
B01J2531/98 (EP,US)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, IT, LI, NL, SE [1992/19] | Title | German: | Alkoxysilylgruppen aufweisende Pyridiniumsalze | [1992/19] | English: | Pyridiniumsalts containing alkoxysilyl groups | [1992/19] | French: | Sels de pyridinium contenant des groupements alkoxysilyl | [1992/19] | Examination procedure | 20.02.1992 | Examination requested [1992/19] | 21.07.1994 | Despatch of communication of intention to grant (Approval: No) | 26.08.1994 | Despatch of communication of intention to grant (Approval: later approval) | 08.09.1994 | Communication of intention to grant the patent | 11.11.1994 | Fee for grant paid | 11.11.1994 | Fee for publishing/printing paid | Opposition(s) | 09.12.1995 | No opposition filed within time limit [1996/09] | Fees paid | Renewal fee | 07.10.1993 | Renewal fee patent year 03 | 28.07.1994 | Renewal fee patent year 04 | Penalty fee | Additional fee for renewal fee | 31.08.1993 | 03 M06 Fee paid on 07.10.1993 |
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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]US3700844 (DOMBA ELEMER); | [A]US4418195 (QUINLAN PATRICK M [US]) | [A] - TETRAHEDRON LETTERS vol. 25, no. 32, 1984, pages 3383 - 3386; BRUNELLE, D.J. ET AL: 'N-ALKYL-4-(N',N'-DIALKYLAMINO)PYRIDINIUM SALTS: THERMALLY STABLE PHASE TRANSFER CATALYSTS FOR NUCLEOPHILIC AROMATIC DISPLACEMENT' |