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EP0303471
European procedure
Extract from the Register of European Patents
EP About this file: EP0303471
| EP0303471 - C.12 modified erythromycin A derivatives [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 10.09.1992 Database last updated on 03.06.2024 | Most recent event Tooltip | 10.09.1992 | No opposition filed within time limit | published on 28.10.1992 [1992/44] | Applicant(s) | For all designated states Pfizer Inc. 235 East 42nd Street New York, NY 10017 / US | [N/P] |
| Former [1989/07] | For all designated states PFIZER INC. 235 East 42nd Street New York, N.Y. 10017 / US | Inventor(s) | 01 /
Hauske, James R., Dr. 15, Westchester Drive East Lyme Connecticut 06333 / US | [1989/07] | Representative(s) | Bradbrook, Geoffrey William, et al PFIZER LIMITED Ramsgate Road Sandwich Kent, CT13 9NJ / GB | [N/P] |
| Former [1989/07] | Bradbrook, Geoffrey William, et al PFIZER LIMITED Ramsgate Road Sandwich Kent, CT13 9NJ / GB | Application number, filing date | 88307407.2 | 10.08.1988 | [1989/07] | Priority number, date | US19870085446 | 14.08.1987 Original published format: US 85446 | [1989/07] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0303471 | Date: | 15.02.1989 | Language: | EN | [1989/07] | Type: | A3 Search report | No.: | EP0303471 | Date: | 25.10.1989 | Language: | EN | [1989/43] | Type: | B1 Patent specification | No.: | EP0303471 | Date: | 06.11.1991 | Language: | EN | [1991/45] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 07.09.1989 | Classification | IPC: | C07H17/08, A61K31/70 | [1989/07] | CPC: |
C07H17/08 (EP,US);
A61P31/04 (EP)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1989/07] | Title | German: | Erythromycin-A-Derivate, modifiziert in Position-C-12 | [1989/07] | English: | C.12 modified erythromycin A derivatives | [1989/07] | French: | Dérivés de l'érythromycine A modifiés en position C-12 | [1989/07] | Examination procedure | 19.08.1988 | Examination requested [1989/07] | 03.04.1991 | Despatch of communication of intention to grant (Approval: Yes) | 02.05.1991 | Communication of intention to grant the patent | 22.06.1991 | Fee for grant paid | 22.06.1991 | Fee for publishing/printing paid | Opposition(s) | 07.08.1992 | No opposition filed within time limit [1992/44] | Fees paid | Renewal fee | 27.06.1990 | Renewal fee patent year 03 | 02.07.1991 | Renewal fee patent year 04 |
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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 | [AD] - THE JOURNAL OF ORGANIC CHEMISTRY, vol. 48, no. 25, 16th December 1983, pages 5138-5140, American Chemical Society; J.R. HAUSKE et al.: "Aglycon modifications of erythromycin A and erythromycin B: Regiospecific nucleophilic ring opening of cyclic thionocarbonates" | [XP] - THE JOURNAL OF ORGANIC CHEMISTRY, vol. 52, no. 20, 2nd October 1987, pages 4622-4625, American Chemical Society; J.R. HAUSKE et al.: "Algycon modifications of erythromycin A: Regiospecific and stereospecific elaboration of the C-12 position" |