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EP0026737
European procedure
Extract from the Register of European Patents
EP About this file: EP0026737
| EP0026737 - Process for producing 2,3,5,6-tetrachloropyridine [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 17.07.2024 | Most recent event Tooltip | 14.09.2016 | No opposition filed within time limit | Applicant(s) | For all designated states CIBA-GEIGY AG Klybeckstrasse 141 4002 Basel / CH | [N/P] |
| Former [1981/14] | For all designated states CIBA-GEIGY AG Klybeckstrasse 141 CH-4002 Basel / CH | Inventor(s) | 01 /
Weis, Claus D., Dr. Bünenmattweg 3 CH-4148 Pfeffingen / CH | 02 /
Sutter, Peter Seemättlistrasse 14/2 CH-4132 Muttenz / CH | [1981/14] | Application number, filing date | 80810276.8 | 04.09.1980 | [1981/14] | Priority number, date | US19790074217 | 10.09.1979 Original published format: US 74217 | [1981/14] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0026737 | Date: | 08.04.1981 | Language: | DE | [1981/14] | Type: | B1 Patent specification | No.: | EP0026737 | Date: | 09.03.1983 | Language: | DE | [1983/10] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 27.01.1981 | Classification | IPC: | C07D213/61, C07F9/40 | [1981/14] | CPC: |
C07D213/61 (EP,US);
C07F9/4075 (EP,US)
| Designated contracting states | CH, DE, FR, GB, LI [1981/14] | Title | German: | Verfahren zur Herstellung von 2,3,5,6-Tetrachlorpyridin | [1981/14] | English: | Process for producing 2,3,5,6-tetrachloropyridine | [1981/14] | French: | Procédé de préparation de la 2,3,5,6-tétrachloropyridine | [1981/14] | File destroyed: | 03.03.2001 | Examination procedure | 06.09.1980 | Examination requested [1981/14] | 07.06.1982 | Despatch of communication of intention to grant (Approval: ) | 01.09.1982 | Communication of intention to grant the patent | 29.10.1982 | Fee for grant paid | 29.10.1982 | Fee for publishing/printing paid | Opposition(s) | 09.12.1983 | No opposition filed within time limit [ N /P ] | Fees paid | Renewal fee | 30.07.1982 | 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. | Documents cited: | Search | SU539034 [ ]; | SU539034 [ ]; | US3993654 [ ] (DEAN NORMAN LEROY, et al) | [ ] - CHEMICAL ABSTRACTS Band 86, Nr. 25, 20. Juni 1977, Columbus, Ohio, USA, S.D. MOSHCHITSKII "2,3,5,6-Tetrachloropyridine" Seite 591, Abstract Nr. 189723c & SU-A-539 034, & SU539034 A 00000000 |