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EP0171584
European procedure
Extract from the Register of European Patents
EP About this file: EP0171584
| EP0171584 - Process for the preparation of 2-alkyl-4,5-dihydroxyimidazoles [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 09.08.1989 Database last updated on 03.09.2024 | Most recent event Tooltip | 09.08.1989 | No opposition filed within time limit | published on 27.09.1989 [1989/39] | Applicant(s) | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 67063 Ludwigshafen / DE | [N/P] |
| Former [1986/08] | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 D-67063 Ludwigshafen / DE | Inventor(s) | 01 /
Kempe, Uwe, Dr. Daziger Strasse 9 D-6701 Dannstadt-Schauernheim / DE | 02 /
Dockner, Toni, Dr. Grossgasse 6 D-6701 Meckenheim / DE | [1986/08] | Application number, filing date | 85108322.0 | 05.07.1985 | [1986/08] | Priority number, date | DE19843426081 | 14.07.1984 Original published format: DE 3426081 | [1986/08] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0171584 | Date: | 19.02.1986 | Language: | DE | [1986/08] | Type: | B1 Patent specification | No.: | EP0171584 | Date: | 12.10.1988 | Language: | DE | [1988/41] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 16.12.1985 | Classification | IPC: | C07D233/00 | [1986/08] | CPC: |
C07D233/64 (EP,US)
| Designated contracting states | BE, CH, DE, FR, GB, IT, LI, NL [1986/08] | Title | German: | Verfahren zur Herstellung von 2-Alkyl-4,5-dihydroximethylimidazolen | [1986/08] | English: | Process for the preparation of 2-alkyl-4,5-dihydroxyimidazoles | [1986/08] | French: | Procédé de préparation d'alkyl-2-dihydroxyméthyl-4,5-imidazoles | [1986/08] | Examination procedure | 20.03.1986 | Examination requested [1986/21] | 30.03.1987 | Despatch of a communication from the examining division (Time limit: M02) | 20.05.1987 | Reply to a communication from the examining division | 26.11.1987 | Despatch of a communication from the examining division (Time limit: M02) | 05.12.1987 | Reply to a communication from the examining division | 14.03.1988 | Despatch of communication of intention to grant (Approval: No) | 12.04.1988 | Despatch of communication of intention to grant (Approval: later approval) | 22.04.1988 | Communication of intention to grant the patent | 27.07.1988 | Fee for grant paid | 27.07.1988 | Fee for publishing/printing paid | Opposition(s) | 13.07.1989 | No opposition filed within time limit [1989/39] | Fees paid | Renewal fee | 21.07.1987 | Renewal fee patent year 03 | 23.07.1988 | 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]JP7691262 ; | [AD]DE2618756 (SHIKOKU CHEM) | [A] - CHEMICAL ABSTRACTS, Band 86, Nr. 11, 14. März 1977, Seite 617, no. 72635j, Columbus, Ohio, US; & JP - A - 76 91 262 (SHIKOKU-KASEI KOGYO CO., LTD.) 10-08-1976, & JP7691262 A 00000000 | Examination | EP0006102 | EP0012371 | US4298748 | - ULLMANN'S Encyklopädie der technischen Chemie, 4. Aufl. 1976, Verlag Cherme, Bd. 11, S. 690 |