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EP0047912
European procedure
Extract from the Register of European Patents
EP About this file: EP0047912
| EP0047912 - Process for preparing N-(cyclohexylthio)-phthalimide [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 29.10.1984 Database last updated on 26.03.2026 | Most recent event Tooltip | 29.10.1984 | No opposition filed within time limit | published on 02.01.1985 [1985/01] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
| Former [1982/12] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Wassen, Jürgen, Dr. Dürscheider Weg 4 D-5090 Leverkusen 3 / DE | 02 /
Königshofen, Heinrich, Dr. Am Mühlenberg 26 D-5060 Bergisch-Gladbach 2 / DE | [1982/12] | Application number, filing date | 81106791.7 | 31.08.1981 | [1982/12] | Priority number, date | DE19803034397 | 12.09.1980 Original published format: DE 3034397 | [1982/12] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0047912 | Date: | 24.03.1982 | Language: | DE | [1982/12] | Type: | B1 Patent specification | No.: | EP0047912 | Date: | 28.12.1983 | Language: | DE | [1983/52] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.12.1981 | Classification | IPC: | C07D209/48 | [1982/12] | CPC: |
C07D209/48 (EP,US);
C07D209/12 (KR)
| Designated contracting states | BE, CH, DE, FR, GB, IT, LI, NL [1982/12] | Title | German: | Verfahren zur Herstellung von N-(Cyclohexylthio)-phthalimid | [1982/12] | English: | Process for preparing N-(cyclohexylthio)-phthalimide | [1982/12] | French: | Procédé pour la préparation de N-(cyclohexylthio)-phtalimide | [1982/12] | Examination procedure | 31.08.1981 | Examination requested [1982/12] | 04.11.1982 | Despatch of a communication from the examining division (Time limit: M04) | 26.11.1982 | Reply to a communication from the examining division | 12.01.1983 | Despatch of a communication from the examining division (Time limit: M04) | 11.02.1983 | Reply to a communication from the examining division | 14.03.1983 | 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) | 29.09.1984 | No opposition filed within time limit [1985/01] | Fees paid | Renewal fee | 02.08.1983 | 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 | HOUBEN-WEYL "Methoden der Organischen Chemie" 4. Auflage, Band IX, 1955, Georg Thieme Verlag, Stuttgart, seiten 275 to 277 | Examination | The Journal of Organic Chemistry, Vol. 34, Seiten 51-55 (Jan.1969) |