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EP0246805
European procedure
Extract from the Register of European Patents
EP About this file: EP0246805
| EP0246805 - Process for preparation of deuterated methylene chloride [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 07.03.1991 Database last updated on 19.10.2024 | Most recent event Tooltip | 07.03.1991 | No opposition filed within time limit | published on 24.04.1991 [1991/17] | Applicant(s) | For all designated states Meyers, Cal Y. 112 Hewett Street Carbondale Illinois 62901 / US | For all designated states Shan-Yu-King, Roch 1409 McCain Lane Manhattan Kansas 66502 / US | [N/P] |
| Former [1987/48] | For all designated states Meyers, Cal Y. 112 Hewett Street Carbondale Illinois 62901 / US | ||
| For all designated states Shan-Yu-King, Roch 1409 McCain Lane Manhattan Kansas 66502 / US | Inventor(s) | 01 /
see applicant ... | [1987/48] | Representative(s) | Eyles, Christopher Thomas, et al W.P. Thompson & Co. 55 Drury Lane London WC2B 5SQ / GB | [N/P] |
| Former [1990/04] | Eyles, Christopher Thomas, et al W.P. THOMPSON & CO. Celcon House 289-293 High Holborn London WC1V 7HU / GB | ||
| Former [1987/48] | Eyles, Christopher Thomas BATCHELLOR, KIRK & CO. 2 Pear Tree Court Farringdon Road London, EC1R 0DS / GB | Application number, filing date | 87304247.7 | 13.05.1987 | [1987/48] | Priority number, date | US19860864089 | 16.05.1986 Original published format: US 864089 | [1987/48] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0246805 | Date: | 25.11.1987 | Language: | EN | [1987/48] | Type: | B1 Patent specification | No.: | EP0246805 | Date: | 09.05.1990 | Language: | EN | [1990/19] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 05.10.1987 | Classification | IPC: | C07B59/00 | [1987/48] | CPC: |
C07B59/00 (EP)
| Designated contracting states | CH, DE, FR, GB, IT, LI, SE [1987/48] | Title | German: | Verfahren zur Herstellung von deuteriertem Methylenchlorid | [1987/48] | English: | Process for preparation of deuterated methylene chloride | [1987/48] | French: | Procédé pour la préparation de chlorure de méthylène deutérisé | [1987/48] | Examination procedure | 18.03.1988 | Examination requested [1988/20] | 28.12.1988 | Despatch of a communication from the examining division (Time limit: M04) | 29.04.1989 | Reply to a communication from the examining division | 23.06.1989 | Despatch of communication of intention to grant (Approval: Yes) | 27.10.1989 | Communication of intention to grant the patent | 22.01.1990 | Fee for grant paid | 22.01.1990 | Fee for publishing/printing paid | Opposition(s) | 12.02.1991 | No opposition filed within time limit [1991/17] | Fees paid | Renewal fee | 24.04.1989 | Renewal fee patent year 03 |
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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 | SE | 09.05.1990 | [1990/50] | Documents cited: | Search | [X]US3666821 ; | [Y]DD154813 | [Y] - ANGEWANDTE CHEMIE, vol. 23, no. 1, January 1984, pages 54-55, Verlag Chemie GmbH, Weinheim, DE; M. HALPERN et al.: "Hydroxide ion-initiated deuteration of very weak CH acids under phase transfer catalysis conditions" | Examination | - Acta Chem. Scand. 1981, B35, 263-258 | - Angew. Chem. Int.Ed. Engl. 1986, 25, 960-970 | - "Introduction to Organic Chemistry" by Streitwieser & Heathcock, page 269. | - J. Am. Chem. Soc. 1969, 91, 2316-2324 | - J. Am. Chem. Soc. 1973, 95, 4257-4261 | - J. Org. Chem. 1985, 50, 1946-1749 | - J. Org. Chem. 1969, 47, 477-479 | - J. Chem. Soc. Chem. Comm. 1978, 4, 155-156 |