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EP0000542
European procedure
Extract from the Register of European Patents
EP About this file: EP0000542
| EP0000542 - Process for the preparation of trifluoromethyl phenols [Right-click to bookmark this link] | |||
| Former [1981/28] | Process for the preparation of trifluoromethyl phenols and substituted trifluoromethyl phenols | ||
| [1981/28] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 11.04.2026 | 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 /
Marhold, Albrecht, Dr. Carl-Duisberg-Strasse 329 D-5090 Leverkusen 1 / DE | 02 /
Klauke, Erich, Dr. Eichendorffweg 8 D-5068 Odenthal / DE | [N/P] | Application number, filing date | 78100436.1 | 19.07.1978 | Priority number, date | DE19772733682 | 26.07.1977 Original published format: DE 2733682 | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0000542 | Date: | 07.02.1979 | Language: | DE | [N/P] | Type: | B1 Patent specification | No.: | EP0000542 | Date: | 15.07.1981 | Language: | DE | [1981/28] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 16.11.1978 | Classification | IPC: | C07C76/02, C07C79/32, C07C79/35, C07C79/46 | [1981/28] | CPC: |
C07C201/12 (EP,US)
| C-Set: |
C07C201/12, C07C205/26 (EP,US);
C07C201/12, C07C205/37 (US,EP);
C07C201/12, C07C205/60 (US,EP)
| Designated contracting states | BE, CH, DE, FR, GB, NL | Title | German: | Verfahren zur Herstellung von Trifluormethylphenolen | [1981/28] | English: | Process for the preparation of trifluoromethyl phenols | [1981/28] | French: | Procédé de préparation de trifluorométhylphénols | [1981/28] |
| Former [1981/28] | Verfahren zur Herstellung von Trifluormethylphenolen und substituierte Trifluormethylphenole | ||
| Former [1981/28] | Process for the preparation of trifluoromethyl phenols and substituted trifluoromethyl phenols | ||
| Former [1981/28] | Procédé de préparation de trifluorométhylphénols et trifluorométhylphénols substitués | File destroyed: | 02.03.1998 | Examination procedure | 19.07.1978 | Examination requested | 24.08.1979 | Despatch of a communication from the examining division (Time limit: {0}) | 14.04.1980 | Despatch of a communication from the examining division (Time limit: M04) | 01.08.1980 | Reply to a communication from the examining division | 10.09.1980 | Despatch of communication of intention to grant (Approval: ) | 09.01.1981 | Communication of intention to grant the patent | 17.01.1981 | Fee for grant paid | 17.01.1981 | Fee for publishing/printing paid | Opposition(s) | 28.05.1982 | No opposition filed within time limit [ N /P ] | Fees paid | Renewal fee | 27.06.1980 | 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 | US3813446 (JACOBS R et al.) | US3943180 (WAGNER KLAUS et al.) | [D] JOURNAL OF ORGANIC CHEMISTRY, Vol. 36, Januar 15. 1971, Easton, R.L. JACOBS: "The synthesis of nitrotrifluormethylphenols and related compouds from nitrotrifluoromethylchlorobenzenes" Seiten 242-243 |