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EP0016665
European procedure
Extract from the Register of European Patents
EP About this file: EP0016665
| EP0016665 - Process for the preparation of xanthone derivatives [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 06.07.2024 | Most recent event Tooltip | 14.09.2016 | No opposition filed within time limit | Applicant(s) | For all designated states ROUSSEL-UCLAF 35, Boulevard des Invalides 75007 Paris / FR | [N/P] |
| Former [1980/20] | For all designated states ROUSSEL-UCLAF 35, Boulevard des Invalides F-75007 Paris / FR | Inventor(s) | 01 /
Barnes, Alan Charles 12 St. Peter's Road Cirencester Gloucestershire / GB | 02 /
Kennewell, Peter David 10 St. Helens's View Swindon Wiltshire / GB | [1980/20] | Representative(s) | Vieillefosse, Jean-Claude, et al Aventis Pharma S.A. Département Brevets 20, avenue Raymond Aron 92160 Antony / FR | [N/P] |
| Former [1980/20] | Vieillefosse, Jean-Claude, et al Département des Brevets ROUSSEL UCLAF B.P. no 9 F-93230 Romainville / FR | Application number, filing date | 80400146.9 | 30.01.1980 | [1980/20] | Priority number, date | GB19790004649 | 09.02.1979 Original published format: GB 7904649 | [1980/20] | Filing language | FR | Procedural language | FR | Publication | Type: | A1 Application with search report | No.: | EP0016665 | Date: | 01.10.1980 | Language: | FR | [1980/20] | Type: | B1 Patent specification | No.: | EP0016665 | Date: | 05.05.1982 | Language: | FR | [1982/18] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 21.07.1980 | Classification | IPC: | C07D311/86, // C07C149/40, C07C149/425, C07C143/82 | [1980/20] | CPC: |
C07C323/00 (EP);
C07D311/86 (EP)
| Designated contracting states | AT, BE, CH, DE, FR, IT, LU, NL, SE [1980/20] | Title | German: | Verfahren zur Herstellung von Xanthonderivaten | [1980/20] | English: | Process for the preparation of xanthone derivatives | [1980/20] | French: | Procédé de préparation de dérivés de la xanthone | [1980/20] | Examination procedure | 27.12.1980 | Examination requested [1981/11] | 13.08.1981 | Despatch of communication of intention to grant (Approval: ) | 05.11.1981 | Communication of intention to grant the patent | 07.12.1981 | Fee for grant paid | 07.12.1981 | Fee for publishing/printing paid | Opposition(s) | 07.02.1983 | No opposition filed within time limit [ N /P ] | Fees paid | Renewal fee | 17.12.1981 | 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 | FR2277576 [ ] (ROUSSEL UCLAF [FR]); | FR2423487 [ ] (ROUSSEL UCLAF [FR]) | [ ] - CHEMICAL ABSTRACTS, Vol. 90, No. 17, 23 Avril 1979, pages 20-21, No. 132583k Columbus, Ohio, U.S.A. A.C. BARNES et al.: "Pharmacologically active sulfoximides: 5-hexyl-7-(S-methylsulfonimidoyl)xanthone-2-carboxylic acid, a potent anti-allergic agent" & J. MED. CHEM. 1979, 22(4)418-24 * Abrege * |