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EP0049381
European procedure
Extract from the Register of European Patents
EP About this file: EP0049381
| EP0049381 - Process for the preparation of dianthraquinonyl amines [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 12.11.1984 Database last updated on 30.07.2024 | Most recent event Tooltip | 12.11.1984 | No opposition filed within time limit | published on 16.01.1985 [1985/03] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
| Former [1982/15] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Reubke, Karl-Julius, Dr. Rybnikerstrasse 10 D-5000 Koeln 80 / DE | 02 /
Stawitz, Josef, Dr. Gerstenkamp 21 D-5000 Koeln 80 / DE | [1982/15] | Application number, filing date | 81107219.8 | 14.09.1981 | [1982/15] | Priority number, date | DE19803036374 | 26.09.1980 Original published format: DE 3036374 | [1982/15] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0049381 | Date: | 14.04.1982 | Language: | DE | [1982/15] | Type: | B1 Patent specification | No.: | EP0049381 | Date: | 04.01.1984 | Language: | DE | [1984/01] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.02.1982 | Classification | IPC: | C09B1/48, C09B5/28, C07C97/24 | [1982/15] | CPC: |
C09B1/48 (EP,US)
| Designated contracting states | CH, DE, FR, GB, IT, LI [1982/15] | Title | German: | Verfahren zur Herstellung von Dianthrachinonylaminen | [1982/15] | English: | Process for the preparation of dianthraquinonyl amines | [1982/15] | French: | Procédé de préparation de dianthraquinonylamines | [1982/15] | Examination procedure | 14.09.1981 | Examination requested [1982/15] | 28.07.1982 | Despatch of a communication from the examining division (Time limit: M04) | 20.11.1982 | Reply to a communication from the examining division | 09.03.1983 | Despatch of communication of intention to grant (Approval: ) | 20.06.1983 | Communication of intention to grant the patent | 25.06.1983 | Fee for grant paid | 25.06.1983 | Fee for publishing/printing paid | Opposition(s) | 05.10.1984 | No opposition filed within time limit [1985/03] | Fees paid | Renewal fee | 25.08.1983 | 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 | CS143035 [ ]; | DE201327 [ ] | [ ] - CHEMICAL ABSTRACTS, Band 77, Nr. 18, 30. Oktober 1978, seite 89, Zusammenfassung 116043k, Columbus, Ohio (US) & CS - A - 143 035 (J. ARIENT et al. ), 15. Oktober 1971, & CS143035 A 00000000 |