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EP0218284
European procedure
Extract from the Register of European Patents
EP About this file: EP0218284
| EP0218284 - Process for the preparation of unsaturated ketones [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 25.06.1992 Database last updated on 14.03.2026 | Most recent event Tooltip | 25.06.1992 | No opposition filed within time limit | published on 12.08.1992 [1992/33] | Applicant(s) | For all designated states Shell Internationale Research Maatschappij B.V. Carel van Bylandtlaan 30 2596 HR Den Haag / NL | [N/P] |
| Former [1987/16] | For all designated states SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. Carel van Bylandtlaan 30 NL-2596 HR Den Haag / NL | Inventor(s) | 01 /
Drent, Eit Badhuisweg 3 NL-1021 CM Amsterdam / NL | [1987/16] | Representative(s) | (deleted) | [1992/09] |
| Former [1991/37] | Tuijn, Jan Warnaar, et al Shell Internationale Research Maatschappij B.V. Intellectual Property Division P.O. Box 162 NL-2501 AN Den Haag / NL | ||
| Former [1987/16] | Aalbers, Onno P.O. Box 162 NL-2501 AN The Hague / NL | Application number, filing date | 86201575.7 | 12.09.1986 | [1987/16] | Priority number, date | GB19850023858 | 27.09.1985 Original published format: GB 8523858 | [1987/16] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0218284 | Date: | 15.04.1987 | Language: | EN | [1987/16] | Type: | B1 Patent specification | No.: | EP0218284 | Date: | 21.08.1991 | Language: | EN | [1991/34] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 24.02.1987 | Classification | IPC: | C07C49/20, C07C45/49 | [1987/16] | CPC: |
C07C49/20 (EP,US);
C07C45/49 (EP,US)
| C-Set: |
C07C45/49, C07C49/20 (EP,US)
| Designated contracting states | BE, CH, DE, FR, GB, IT, LI, NL [1987/16] | Title | German: | Verfahren zur Herstellung von ungesättigten Ketonen | [1987/16] | English: | Process for the preparation of unsaturated ketones | [1987/16] | French: | Procédé pour la préparation de cétones insaturées | [1987/16] | Examination procedure | 06.08.1987 | Examination requested [1987/41] | 12.12.1988 | Despatch of a communication from the examining division (Time limit: M04) | 28.03.1989 | Reply to a communication from the examining division | 29.11.1989 | Despatch of a communication from the examining division (Time limit: M02) | 12.01.1990 | Reply to a communication from the examining division | 29.11.1990 | Despatch of communication of intention to grant (Approval: Yes) | 05.02.1991 | Communication of intention to grant the patent | 26.03.1991 | Fee for grant paid | 26.03.1991 | Fee for publishing/printing paid | Opposition(s) | 22.05.1992 | No opposition filed within time limit [1992/33] | Fees paid | Renewal fee | 29.07.1988 | Renewal fee patent year 03 | 04.08.1989 | Renewal fee patent year 04 | 03.08.1990 | 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 | [YD] TETRAHEDRON, vol. 33, 1977, pages 2813-2817, Perganon Press, GB; M. MALACRIA et al.: "Vinylallenes-VI: Synthse de ctones de la srie de la jasmone" [YD] | [Y] JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 102, no. 6, 12th March 1980, pages 1974-1977, American Chemical Society, Washington, D.C., US; G. A. KRAUS et al.: "Timed Diels-Alder reactions" [Y] | [A] CHEMICAL ABSTRACTS, vol. 91, no. 13, 24th September 1979, page 551, abstract no. 107642s, Columbus, Ohio, US; V.N. ZUDIN et al.: "Formation of ketones from olefins under conditions of the liquid-phase conversion reaction of carbon monoxide"; & KINET. KATAL. 1979, 20(3), 805-6 [A] |