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EP0000346
European procedure
Extract from the Register of European Patents
EP About this file: EP0000346
| EP0000346 - Quinoxaline compounds, process for their manufacture and their use as brighteners for organic materials, and the materials brightened therewith [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 21.03.2025 | Most recent event Tooltip | 14.09.2016 | No opposition filed within time limit | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] | Inventor(s) | 01 /
Eckstein, Udo, Dr. Morgengraben 2 D-5000 Köln 80 / DE | 02 /
Theidel, Hans, Dr. Tempelhofer Strasse 66 D-5090 Leverkusen 1 / DE | [N/P] | Application number, filing date | 78100253.0 | 28.06.1978 | Priority number, date | DE19772730644 | 07.07.1977 Original published format: DE 2730644 | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0000346 | Date: | 24.01.1979 | Language: | DE | [N/P] | Type: | B1 Patent specification | No.: | EP0000346 | Date: | 09.01.1980 | Language: | DE | [1980/01] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 10.11.1978 | Classification | IPC: | C07D241/42, C07D241/44, C07D401/10, C07D403/10, C07D405/10, C07D409/10, C07D413/10, C07D417/10, C08K5/29, D06L3/12 | [1980/01] | CPC: |
C07F9/650994 (EP,US);
C07D241/44 (EP,US)
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| Former IPC [1980/01] | C07D241/42, C07D241/44, C07D401/10, C07D403/10, C07D405/10, C07D409/10, C07D413/10, C07D417/10, C08J3/20, D06L3/12 | Designated contracting states | CH, DE, FR, GB | Title | German: | Chinoxalinverbindungen, Verfahren zu deren Herstellung, deren Verwendung zum Weisstönen organischer Materialien und damit weissgetönte Materialien | English: | Quinoxaline compounds, process for their manufacture and their use as brighteners for organic materials, and the materials brightened therewith | French: | Composés quinoxaliniques, leur procédé de préparation et leur utilisation pour le blanchiment optique de matières organiques et les matières ainsi blanchies | File destroyed: | 12.06.1999 | Examination procedure | 28.06.1978 | Examination requested | 22.06.1979 | Despatch of a communication from the examining division (Time limit: M03) | 29.06.1979 | Reply to a communication from the examining division | 18.07.1979 | Communication of intention to grant the patent | 21.09.1979 | Fee for grant paid | 21.09.1979 | Fee for publishing/printing paid | Opposition(s) | 02.03.1982 | No opposition filed within time limit [ N /P ] |
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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]FR2206951 (PFIZER [US]) |