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EP0044420
European procedure
Extract from the Register of European Patents
EP About this file: EP0044420
| EP0044420 - Hydroxyalkyl-1,2,4-triazolidine-3,5-diones and process for their preparation [Right-click to bookmark this link] | |||
| Former [1982/04] | Hydroxyalkyl-1,2,4-triazolidine-3,5 diones and a process for their preparation | ||
| [1984/48] | Status | No opposition filed within time limit Status updated on 30.09.1985 Database last updated on 03.09.2024 | Most recent event Tooltip | 30.09.1985 | No opposition filed within time limit | published on 04.12.1985 [1985/49] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
| Former [1982/04] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Giesecke, Henning, Dr. Kalk-Muelheimer Strasse 400 D-5000 Koeln 80 / DE | 02 /
Merten, Rudolf, Dr. Berta-von-Suttner-Strasse 55 D-5090 Leverkusen / DE | 03 /
Rottmaier, Ludwig Bergstrasse 85 D-5068 Odenthal / DE | [1982/04] | Application number, filing date | 81104773.7 | 22.06.1981 | [1982/04] | Priority number, date | DE19803027551 | 21.07.1980 Original published format: DE 3027551 | [1982/04] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0044420 | Date: | 27.01.1982 | Language: | DE | [1982/04] | Type: | B1 Patent specification | No.: | EP0044420 | Date: | 28.11.1984 | Language: | DE | [1984/48] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 30.10.1981 | Classification | IPC: | C07D249/12 | [1982/04] | CPC: |
C07D249/12 (EP,US)
| Designated contracting states | AT, BE, DE, FR, GB, IT, SE [1982/04] | Title | German: | Hydroxyalkyl-1,2,4-triazolidin-3,5-dione und Verfahren zu ihrer Herstellung | [1984/48] | English: | Hydroxyalkyl-1,2,4-triazolidine-3,5-diones and process for their preparation | [1984/48] | French: | Hydroxyalkyltriazolidine-1,2,4 diones-3,5 et leur procédé de préparation | [1982/04] |
| Former [1982/04] | Neue Hydroxialkyl-1,2,4-triazolidin-3,5-dione und ein Verfahren zu ihrer Herstellung | ||
| Former [1982/04] | Hydroxyalkyl-1,2,4-triazolidine-3,5 diones and a process for their preparation | Examination procedure | 22.06.1981 | Examination requested [1982/04] | 17.02.1983 | Despatch of a communication from the examining division (Time limit: M04) | 24.05.1983 | Reply to a communication from the examining division | 10.08.1983 | Despatch of a communication from the examining division (Time limit: M02) | 08.09.1983 | Reply to a communication from the examining division | 29.02.1984 | Despatch of communication of intention to grant (Approval: ) | 21.05.1984 | Communication of intention to grant the patent | 12.06.1984 | Fee for grant paid | 12.06.1984 | Fee for publishing/printing paid | Opposition(s) | 29.08.1985 | No opposition filed within time limit [1985/49] | Fees paid | Renewal fee | 01.06.1983 | Renewal fee patent year 03 | 23.05.1984 | 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 | US3621099 [ ] (JACOBSON CHARLES R); | DE2554866 [ ] (MITSUBISHI CHEM IND) | [ ] - CHEMICAL ABSTRACTS, Vol. 66, No.22, 29. Mai 1967, Columbus, Ohio, USA EASTMAN KODAK CO. " Photodevelopable, direct-recording silver halide emulsionsAbstract No. 100194x | [ ] - CHEMICAL ABSTRACTS, Vol. 61, No. 3, 3. August 1964, Columbus, Ohio, USA J. BOURDAIS " Heterocyclic series II.,New syntheses and physiochemical properties of the 1,2,4-triazolidine-3,5-diones " Abstract No. 3094h & Bull. Soc. Chim. France 1964(3) 500-7 |