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EP0238088
European procedure
Extract from the Register of European Patents
EP About this file: EP0238088
| EP0238088 - Improved process for the preparation of dihydro-1H-pyrrolizine-3,5-(2H,6H)-dione [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 31.08.1991 Database last updated on 03.08.2024 | Most recent event Tooltip | 31.08.1991 | No opposition filed within time limit | published on 23.10.1991 [1991/43] | Applicant(s) | For all designated states WARNER-LAMBERT COMPANY 201 Tabor Road Morris Plains New Jersey 07950 / US | [N/P] |
| Former [1987/39] | For all designated states WARNER-LAMBERT COMPANY 201 Tabor Road Morris Plains New Jersey 07950 / US | Inventor(s) | 01 /
Hoekstra, Marvin Simon 568 West 30th Street Holland Michigan 49423 / US | [1987/39] | Representative(s) | Mansmann, Ivo Gödecke AG Patentwesen Mooswaldallee 1-9 79090 Freiburg / DE | [N/P] |
| Former [1987/39] | Mansmann, Ivo Gödecke AG Patentwesen Mooswaldallee 1-9 D-79090 Freiburg / DE | Application number, filing date | 87104088.7 | 20.03.1987 | [1987/39] | Priority number, date | US19860842702 | 21.03.1986 Original published format: US 842702 | [1987/39] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0238088 | Date: | 23.09.1987 | Language: | EN | [1987/39] | Type: | A3 Search report | No.: | EP0238088 | Date: | 22.02.1989 | Language: | EN | [1989/08] | Type: | B1 Patent specification | No.: | EP0238088 | Date: | 31.10.1990 | Language: | EN | [1990/44] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 04.01.1989 | Classification | IPC: | C07D487/04, // (C07D487/04, 209:00, 209:00) | [1987/39] | CPC: |
C07D207/26 (EP,US);
C07D487/04 (EP,KR,US)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1987/39] | Title | German: | Verfahren zur Herstellung von 1H-Pyrrolizin-3,5-(2H,6H)-dionen | [1987/39] | English: | Improved process for the preparation of dihydro-1H-pyrrolizine-3,5-(2H,6H)-dione | [1987/39] | French: | Procédé pour la préparation de la 1H-pyrrolizine-3,5-(2H,6H)-dione | [1987/39] | Examination procedure | 20.03.1987 | Examination requested [1987/39] | 12.06.1989 | Despatch of a communication from the examining division (Time limit: M04) | 06.10.1989 | Reply to a communication from the examining division | 28.02.1990 | Despatch of communication of intention to grant (Approval: Yes) | 03.05.1990 | Communication of intention to grant the patent | 24.07.1990 | Fee for grant paid | 24.07.1990 | Fee for publishing/printing paid | Opposition(s) | 01.08.1991 | No opposition filed within time limit [1991/43] | Fees paid | Renewal fee | 10.03.1989 | Renewal fee patent year 03 | 19.03.1990 | 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 | JPS5129484 [ ] (JUKI GOSEI YAKUHIN KOGYO KK); | [A]EP0164852 (WARNER LAMBERT CO [US]) | [Y] - CHEMICAL ABSTRACTS, (19760927), vol. 85, no. 13, Database accession no. 94232, page 622 | [YD] - LUKES R. ET AL, "Sur les acides aminodicarboxyliques symétriques et leur cyclisation", COLL. CZECH. COMM., (1947), vol. 12, pages 278 - 291 | [AD] - LEONARD N.J. ET AL, "The synthesis of pyrrolizidines", J. AM. CHEM. SOC., (1947), vol. 69, pages 690 - 692 | [A] - SKARIC V. ET AL, "Stereoselective transformations in the thymidine series", CHEMICAL ABSTRACTS, (19850218), vol. 102, no. 7, Database accession no. 62552Q, page 633 | [ ] - CROAT. CHEM. ACTA, (1984), vol. 57, no. 3, pages 415 - 424 | [A] - FURMAN D.B. ET AL, "Reactions of hexanes in the presence of a rhodium-aluminium catalyst", CHEMICAL ABSTRACTS, (19820816), vol. 97, no. 7, Database accession no. 55242P, page 596 | [ ] - AKAD. NAUK. SSSR, SER. KHIM., (1982), vol. 5, pages 992 - 996 |