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EP0219666
European procedure
Extract from the Register of European Patents
EP About this file: EP0219666
| EP0219666 - Cyclopentane derivatives [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 19.03.1992 Database last updated on 03.09.2024 | Most recent event Tooltip | 19.03.1992 | No opposition filed within time limit | published on 06.05.1992 [1992/19] | Applicant(s) | For all designated states Merck Patent GmbH Frankfurter Strasse 253 64271 Darmstadt / DE | [N/P] |
| Former [1987/18] | For all designated states MERCK PATENT GmbH Postfach, Frankfurter Strasse 250 D-64271 Darmstadt / DE | Inventor(s) | 01 /
Riefling, Bernhard, Dr. Zöllerstrasse 28 D-6100 Darmstadt / DE | 02 /
Witzel, Hans Darmstädterstrasse 44 D-6110 Dieburg / DE | [1987/18] | Application number, filing date | 86112318.0 | 05.09.1986 | [1987/18] | Priority number, date | DE19853533576 | 20.09.1985 Original published format: DE 3533576 | [1987/18] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0219666 | Date: | 29.04.1987 | Language: | DE | [1987/18] | Type: | A3 Search report | No.: | EP0219666 | Date: | 31.05.1989 | Language: | DE | [1989/22] | Type: | B1 Patent specification | No.: | EP0219666 | Date: | 15.05.1991 | Language: | DE | [1991/20] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 11.04.1989 | Classification | IPC: | C07F7/18, C07C35/06, C07D303/14 | [1987/18] | CPC: |
C07C35/06 (EP,US);
C07F7/1804 (EP,US);
Y02P20/55 (EP,US)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, NL, SE [1987/18] | Title | German: | Cyclopentanderivate | [1987/18] | English: | Cyclopentane derivatives | [1987/18] | French: | Dérivés de cyclopentane | [1987/18] | Examination procedure | 04.10.1989 | Examination requested [1989/48] | 16.10.1990 | Despatch of communication of intention to grant (Approval: Yes) | 12.11.1990 | Communication of intention to grant the patent | 21.01.1991 | Fee for grant paid | 21.01.1991 | Fee for publishing/printing paid | Opposition(s) | 18.02.1992 | No opposition filed within time limit [1992/19] | Fees paid | Renewal fee | 14.09.1988 | Renewal fee patent year 03 | 11.09.1989 | Renewal fee patent year 04 | 21.09.1990 | Renewal fee patent year 05 |
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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 | US4127736 [ ] (CHADHA NARESH K, et al) | [ ] - JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | Examination | DE3401542 | - JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Band 94, Juni-Juli 1972, Seiten 4343-4345, Washington D.C., US; J.FRIED et al.: "Regiospecific Epoxide Opening with Acetylenic Alanes. An Improved Total Synthesis of E an F Prostaglandins" |