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EP0022608
European procedure
Extract from the Register of European Patents
EP About this file: EP0022608
| EP0022608 - Process for the preparation of cyclopropane carboxylic acid esters [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.05.1984 Database last updated on 28.03.2026 | Most recent event Tooltip | 28.09.2007 | Lapse of the patent in a contracting state New state(s): FR | published on 31.10.2007 [2007/44] | Applicant(s) | For all designated states IMPERIAL CHEMICAL INDUSTRIES PLC Imperial Chemical House, Millbank London SW1P 3JF / GB | [1981/03] | Inventor(s) | 01 /
Crosby, John 12 Oakwood Court Bowdon Altrincham, Cheshire WA14 3DJ / GB | 02 /
Holland, David 18 Springbourne Frodsham, Cheshire / GB | 03 /
Laidler, Dale Andrew 20 Foxglove Close Huntington, Chester / GB | 04 /
Milner, David John 18 Eight Acre Whitefield, Manchester M25 7LW. / GB | [1981/03] | Representative(s) | Houghton, Malcolm John, et al ICI Group Patents Services Dept. PO Box 6 Shire Park Bessemer Road Welwyn Garden City, Herts, AL7 1HD / GB | [N/P] |
| Former [1984/15] | Houghton, Malcolm John, et al ICI Group Patents Services Dept. PO Box 6 Shire Park Bessemer Road Welwyn Garden City Herts, AL7 1HD / GB | ||
| Former [1981/03] | Clark, Peter Frederick Imperial Chemical Industries PLC Legal Department, Patents Thames House North Millbank London SW1P 4QG / GB | Application number, filing date | 80301527.0 | 09.05.1980 | [1981/03] | Priority number, date | GB19790024521 | 13.07.1979 Original published format: GB 7924521 | [1981/03] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0022608 | Date: | 21.01.1981 | Language: | EN | [1981/03] | Type: | B1 Patent specification | No.: | EP0022608 | Date: | 06.07.1983 | Language: | EN | [1983/27] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.09.1980 | Classification | IPC: | C07C69/74, C07C69/743, C07C67/347, C07C121/75, // A01N53/00, C07H15/18, C07H15/26, C07H23/00, C07D213/53 | [1981/03] | CPC: |
C07H15/18 (EP,US);
C07D213/53 (EP,US);
C07H15/26 (EP,US);
C07H23/00 (EP,US)
| Designated contracting states | CH, DE, FR, GB, IT, LI, NL [1981/03] | Title | German: | Verfahren zur Herstellung von Zyklopropan-carbonsäureestern | [1981/03] | English: | Process for the preparation of cyclopropane carboxylic acid esters | [1981/03] | French: | Procédé de préparation d'esters d'acides cyclopropane carboxyliques | [1981/03] | Examination procedure | 04.06.1981 | Examination requested [1981/34] | 02.02.1982 | Despatch of a communication from the examining division (Time limit: M04) | 27.05.1982 | Reply to a communication from the examining division | 15.09.1982 | Despatch of communication of intention to grant (Approval: ) | 07.12.1982 | Communication of intention to grant the patent | 10.03.1983 | Fee for grant paid | 10.03.1983 | Fee for publishing/printing paid | Opposition(s) | 07.04.1984 | No opposition filed within time limit [1984/29] | Fees paid | Renewal fee | 03.04.1982 | Renewal fee patent year 03 | 12.04.1983 | Renewal fee patent year 04 |
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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. | Lapses during opposition Tooltip | CH | 06.07.1983 | FR | 06.07.1983 | IT | 06.07.1983 | LI | 06.07.1983 | NL | 06.07.1983 | [2002/24] |
| Former [1999/42] | CH | 06.07.1983 | |
| IT | 06.07.1983 | ||
| LI | 06.07.1983 | ||
| NL | 06.07.1983 | ||
| Former [1984/08] | CH | 06.07.1983 | |
| LI | 06.07.1983 | ||
| NL | 06.07.1983 | ||
| Former [1983/49] | CH | 06.07.1983 | |
| LI | 06.07.1983 | Documents cited: | Search | [A] SU534244 | [A] CHEMICAL ABSTRACTS, Vol. 86, Nr. 10, March 7, 1977, Abstract 61010a, Columbus, Ohio, USA & SU - A - 534 244 (INST. OF CHEM. PHYSICS, ACAD. OF SCIENCES, USSR) [A] | [X] TETRAHEDRON LETTERS, No. 21, 1975, pages 1707-1710, T. ARATANI, et al. "Asymmetric synthesis of chrysanthemic acid. An application of copper carbenoid reaction" [X] | [X] CHEMICAL ABSTRACTS, Vol. 92, No. 21, May 26, 1980, Abstract 180690f, Columbus, Ohio, USA D. HOLLAND et al. "Stereoselective catalytic formation of cyclopropanecarboxylates from ethyl diazoacetate and 1,1-dihalo-4-methylpenta-1,3-dienes" & J. Chem. Res. Synop, 1979, (10), 317 [X] |