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EP0089485
European procedure
Extract from the Register of European Patents
EP About this file: EP0089485
| EP0089485 - Process for preparing 5-chloro-1H-tetrazolo-1-carboxylic-acid esters, and a process for preparing the appropriate dichloroisonitrile-carboxylic-acid esters [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 08.07.1987 Database last updated on 28.05.2024 | Most recent event Tooltip | 08.07.1987 | No opposition filed within time limit | published on 26.08.1987 [1987/35] | Applicant(s) | For all designated states HÜLS TROISDORF AKTIENGESELLSCHAFT Postfach 11 65 D-53839 Troisdorf / DE | [1983/39] | Inventor(s) | 01 /
Bison, Günter Kleiststrasse 6 D-5210 Troisdorf / DE | 02 /
Linkat, Norbert Magnolienweg D-5205 St.Augustin 1 / DE | 03 /
Thewalt, Klaus, Dr. Am Tiemen 12 D-5810 Witten / DE | [1983/39] | Application number, filing date | 83101383.4 | 14.02.1983 | [1983/39] | Priority number, date | DE19823210296 | 20.03.1982 Original published format: DE 3210296 | DE19823210297 | 20.03.1982 Original published format: DE 3210297 | [1983/39] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0089485 | Date: | 28.09.1983 | Language: | DE | [1983/39] | Type: | A3 Search report | No.: | EP0089485 | Date: | 23.05.1984 | Language: | DE | [1984/21] | Type: | B1 Patent specification | No.: | EP0089485 | Date: | 10.09.1986 | Language: | DE | [1986/37] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 19.03.1984 | Classification | IPC: | C07D257/04, C07C119/02 | [1983/39] | CPC: |
C07D257/04 (EP,US)
| Designated contracting states | BE, CH, DE, FR, GB, IT, LI, NL, SE [1983/39] | Title | German: | Verfahren zur Herstellung von 5-Chlor-1H-tetrazol-1-carbonsäureestern sowie Verfahren zur Herstellung der erforderlichen Dichlorisonitril-carbonsäureester | [1983/39] | English: | Process for preparing 5-chloro-1H-tetrazolo-1-carboxylic-acid esters, and a process for preparing the appropriate dichloroisonitrile-carboxylic-acid esters | [1983/39] | French: | Procédé pour préparer des esters de l'acide 5-chloro-1H-tétrazolo-1-carboxylique, ainsi que procédé pour préparer les esters de l'acide dichloroisonitrile-carboxylique nécessaires | [1983/39] | Examination procedure | 09.10.1984 | Examination requested [1984/50] | 09.01.1986 | Despatch of communication of intention to grant (Approval: ) | 05.03.1986 | Communication of intention to grant the patent | 13.03.1986 | Fee for grant paid | 13.03.1986 | Fee for publishing/printing paid | Opposition(s) | 11.06.1987 | No opposition filed within time limit [1987/35] | Fees paid | Renewal fee | 13.02.1985 | Renewal fee patent year 03 | 13.02.1986 | 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. | Documents cited: | Search | [A]DE2500840 (LILLY CO ELI); | [A]US4301282 (KATNER ALLEN S) | [AD] - JOURNAL OF ORGANIC CHEMISTRY, Band 32, November 1967, Easton J.C. KAUER et al. "1-Aryltetrazoles. Synthesis andproperties", Seiten 3580-3592 | [AD] - CANADIAN JOURNAL OF CHEMISTRY, Band 47, 1969, Ottawa R. RAAP et al. "Tetrazolylacetic acids", Seiten 813-819 | [A] - ANGEWANDTE CHEMIE, Band 77, Nr. 8, 21. April 1965 I. UGI et al. "Isonitril-Synthesen", Seiten 492-504 | [AD] - ANGEWANDTE CHEMIE, Band 79, Nr. 13, 7. Juli 1967 E. KÜHLE et al. "Isocyaniddihalogenid-Synthesen" Seiten 663-680 |