-
EP0344983
European procedure
Extract from the Register of European Patents
EP About this file: EP0344983
| EP0344983 - Process for preparing 2- and 4-alkoxycarbonyl thiolan-3-ones [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 16.07.1994 Database last updated on 08.10.2024 | Most recent event Tooltip | 16.07.1994 | No opposition filed within time limit | published on 07.09.1994 [1994/36] | Applicant(s) | For all designated states JOHN WYETH & BROTHER LIMITED Huntercombe Lane South Taplow Maidenhead Berkshire, SL6 0PH / GB | [N/P] |
| Former [1989/49] | For all designated states JOHN WYETH & BROTHER LIMITED Huntercombe Lane South Taplow Maidenhead Berkshire, SL6 0PH / GB | Inventor(s) | 01 /
Shepherd, Robin Gerald 37 Duke Street Windsor Berkshire, SL4 1SH / GB | [1989/49] | Representative(s) | Wileman, David Francis, et al C/o Wyeth Laboratories Huntercombe Lane South Taplow Maidenhead Berkshire SL6 OPH / GB | [N/P] |
| Former [1989/49] | Wileman, David Francis, Dr., et al c/o Wyeth Laboratories Huntercombe Lane South Taplow Maidenhead Berkshire SL6 OPH / GB | Application number, filing date | 89305342.1 | 26.05.1989 | [1989/49] | Priority number, date | GB19880012718 | 27.05.1988 Original published format: GB 8812718 | [1989/49] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0344983 | Date: | 06.12.1989 | Language: | EN | [1989/49] | Type: | B1 Patent specification | No.: | EP0344983 | Date: | 15.09.1993 | Language: | EN | [1993/37] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 12.10.1989 | Classification | IPC: | C07D333/38 | [1989/49] | CPC: |
C07D333/38 (EP)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GR, IT, LI, LU, NL, SE [1989/49] | Title | German: | Verfahren zur Herstellung von 2-und 4-alkoxycarbonyl Thiolan-3-onen | [1989/49] | English: | Process for preparing 2- and 4-alkoxycarbonyl thiolan-3-ones | [1989/49] | French: | Procédé de préparaton des thiolan-3-ones 2- et 4-alcoxycarbonyliques | [1989/49] | Examination procedure | 31.05.1990 | Examination requested [1990/30] | 09.11.1992 | Despatch of communication of intention to grant (Approval: Yes) | 10.03.1993 | Communication of intention to grant the patent | 29.05.1993 | Fee for grant paid | 29.05.1993 | Fee for publishing/printing paid | Opposition(s) | 16.06.1994 | No opposition filed within time limit [1994/36] | Fees paid | Renewal fee | 19.03.1991 | Renewal fee patent year 03 | 20.03.1992 | Renewal fee patent year 04 | 20.03.1993 | Renewal fee patent year 05 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| 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 | [A]EP0032748 (UBE INDUSTRIES [JP], et al) | [YD] - JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | [YD] - MONATSHEFTE FUER CHEMIE | [YD] - THE JOURNAL OF ORGANIC CHEMISTRY | [Y] - ARKIV FOER KEMI | [A] - TETRAHEDRON LETTERS | Examination | - JOURNAL OF THE AMERICAN CHEMICAL SOCIETY vol. 68, November 1946, pages 2229-2235, Columbus, Ohio, USA; R B Woodward et al.: "Tetrahydrothiophene ("Thiophane") Derivatives" | - MONATSHEFTE FUER CHEMIE vol. 104, pages 1520-1525, Springer-Verlag 1973; O Hromatka et al.: "über den Mechanismus der Dieckmann-Reaktion von 3-(Methoxycarbonylmethylthio)-prpionsäur emethylester" | - THE JOURNAL OF ORGANIC CHEMISTRY vol. 45, no. 4, 15 February 1980, pages 617-620, Columbus, Ohio, USA; P A Rossy et al.: "Aromatization of Dihydrothiopes. Thiophenesaccharin : A sweet Surprise" | - ARKIV FOER KEMI vol. 11, no. 59, 5 June 1957, pages 527-533; A Braendstroem : "On the reactivity of ions and ion-pairs in the Dieckmann condensation" | - TETRAHEDRON LETTERS vol. 22, no. 14, 1981, pages 1353-1354; Y Yamada et al.: "A direction controlled Dieckmann Type cyclization of half-thiol diesters" |