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EP0001246
European procedure
Extract from the Register of European Patents
EP About this file: EP0001246
| EP0001246 - Preparation of 2-(3'- or 4'-aminophenyl)-5(or 6)-aminobenzimidazoles [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 07.03.2026 | Most recent event Tooltip | 14.09.2016 | No opposition filed within time limit | Applicant(s) | For all designated states CASSELLA Aktiengesellschaft Hanauer Landstrasse 526 D-60386 Frankfurt / DE | [N/P] | Inventor(s) | 01 /
Bauer, Wolfgang, Dr. Masurenstrasse 4 D-6457 Maintal 3 / DE | 02 /
Ribka, Joachim, Dr. Rügener Strasse 4 D-6050 Offenbach/Main - Bürgel / DE | [N/P] | Representative(s) | Urbach, Hans-Georg, et al Hanauer Landstrasse 526 60386 Frankfurt / DE | [N/P] |
| Former [1981/08] | Urbach, Hans-Georg, Dr., et al Hanauer Landstrasse 526 D-60386 Frankfurt / DE | Application number, filing date | 78100852.9 | 08.09.1978 | Priority number, date | DE19772742093 | 19.09.1977 Original published format: DE 2742093 | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0001246 | Date: | 04.04.1979 | Language: | DE | [N/P] | Type: | B1 Patent specification | No.: | EP0001246 | Date: | 25.02.1981 | Language: | DE | [1981/08] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 30.01.1979 | Classification | IPC: | C07D235/18 | [1981/08] | CPC: |
C07C201/12 (EP,US);
C07C231/02 (EP,US);
C07C231/12 (EP,US);
C07D235/18 (EP,US)
| C-Set: |
C07C201/12, C07C205/57 (EP,US);
C07C231/02, C07C233/80 (US,EP);
C07C231/12, C07C237/40 (US,EP)
| Designated contracting states | CH, DE, FR, GB | Title | German: | Verfahren zur Herstellung von 2-(3'- bzw. 4'-Aminophenyl)-5(bzw. 6)-aminobenzimidazolen | English: | Preparation of 2-(3'- or 4'-aminophenyl)-5(or 6)-aminobenzimidazoles | French: | Procédé de préparation de 2-(3'- ou 4'-aminophényl)-5(ou 6)-aminobenzimidazoles | Examination procedure | 07.09.1979 | Examination requested | 28.01.1980 | Despatch of a communication from the examining division (Time limit: M03) | 28.04.1980 | Reply to a communication from the examining division | 30.06.1980 | Despatch of communication of intention to grant (Approval: ) | 07.08.1980 | Communication of intention to grant the patent | 30.10.1980 | Fee for grant paid | 30.10.1980 | Fee for publishing/printing paid | Opposition(s) | 02.03.1982 | No opposition filed within time limit [ N /P ] | Fees paid | Renewal fee | 08.09.1980 | 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 | DE2601041 | [DA] CA950146 | by applicant | O.KYM, BER.DTSCH.CHEM.GES., vol. 32, 1899, pages 2178 | DRP, vol. 70, 26 July 1893 (1893-07-26), pages 862 | FRDL. III, vol. 34, 1894 | DRP, vol. 68, 8 March 1893 (1893-03-08), pages 237 | FRDL.III, 1894, pages 711 | B.A.PORAI-KOSHITS; CH. FRANKOVSKII, ZHUR.OBSC.KHIM., vol. 28, 1958, pages 928 | V.K.SHCHEL'TSYN; A. YA.KAMINSKII; T.P.SHAPIROOSKAYA; J.L.VALSMAN: "V.F.Adrianov u.S.S.Gitis", CHEMISTRY OF HETEROCYCLIC COMPOUNDS, USSR, vol. 9, 1973, pages 103 | 0. KYM, BER. DTSCH. CHEM. GES., vol. 32, 1899, pages 2178 | J.PINNOW; F. WISKOTT, BER. DTSCH. CHEM. GES., vol. 32, 1899, pages 908 | F.F. STEPHENS; J.D. BOWER, J. CHEM. SOC., 1949, pages 2971 | J. CHEM. SOC., 1952, pages 2389 | PROC. INDIAN ACAD. SCI., vol. 49 A, 1959, pages 193 | R. WALTER; TH. VON PULAWSKI, J. PRAKT. CHEM., vol. 59, 1899, pages 263 | J. PINNOW; F. WISKOTT, BER. DTSCH. CHEM. GES., vol. 32, 1899, pages 898 | 0. HINSBERG; F. FUNCKE, BER. DTSCH,CHEM. GES., vol. 27, 1894, pages 2187 | V. STERBA; J. ARIENT; J. SLOSAR, COLLECTION CZECH. CHEM. COMMUN., vol. 31, 1965, pages 1093 | D.G. BAPAT; M.W.SHIRSAT, INDIAN J. CHEM., vol. 3, 1965, pages 81 | J. PRESTON; W.F. DEWINTER; W.L. HOFFERBERTH, JR., J.HETERO- CYCL, CHEM., vol. 6, no. 1, 1969, pages 119 | ULLMANNS ENZYCLOPDIE DER TECHNISCHEN CHEMIE, vol. 16, 1965, pages 724 - 748 | J.L. MOILLIET; B. COLLIE; BLACK: "Surface Activity" | "Houben-Weyl, Methoden der Organischen Chemie", vol. XI/1, 1957, pages: 409 - 421 | ORGANIC SYNTHESES, vol. 21, 1941, pages 20 | R.E. LYLE; J.L. LA MATTINA, SYNTHESIS, 1974, pages 726 |