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EP0151282
European procedure
Extract from the Register of European Patents
EP About this file: EP0151282
| EP0151282 - Optically active 3,4-bis-(diphenylphosphino)-pyrrolidine, rhodium complexes containing them as chiral ligands, and their use [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 06.07.1989 Database last updated on 03.09.2024 | Most recent event Tooltip | 06.07.1989 | No opposition filed within time limit | published on 23.08.1989 [1989/34] | Applicant(s) | For all designated states Degussa GmbH Weissfrauenstrasse 9 60311 Frankfurt / DE | [N/P] |
| Former [1985/33] | For all designated states Degussa Aktiengesellschaft Weissfrauenstrasse 9 D-60311 Frankfurt / DE | Inventor(s) | 01 /
Beck, Wolfgang, Prof. Dr. Melanchthonstrasse 26 D-8000 München 83 / DE | 02 /
Nagel, Ulrich, Dr. Freiherrnstrasse 12 D-8061 Weichs / DE | [1985/33] | Application number, filing date | 84115470.1 | 14.12.1984 | [1985/33] | Priority number, date | DE19843403194 | 31.01.1984 Original published format: DE 3403194 | [1985/33] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0151282 | Date: | 14.08.1985 | Language: | DE | [1985/33] | Type: | B1 Patent specification | No.: | EP0151282 | Date: | 07.09.1988 | Language: | DE | [1988/36] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 11.06.1985 | Classification | IPC: | C07F9/65, C07F15/00, B01J31/24 | [1985/33] | CPC: |
C07D207/416 (EP,US);
B01J31/2291 (EP,US);
B01J31/2414 (EP,US);
C07D207/12 (EP,US);
C07D209/20 (EP,US);
C07D317/58 (EP,US);
C07F15/00 (EP,US);
C07F9/572 (EP,US);
B01J2231/645 (EP,US);
B01J2531/822 (EP,US)
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| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, NL, SE [1985/33] | Title | German: | Optisch aktive 3,4-Bis(diphenylphosphino)-pyrrolidine, diese als chirale Liganden enthaltende Rhodiumkomplexe und deren Verwendung | [1985/33] | English: | Optically active 3,4-bis-(diphenylphosphino)-pyrrolidine, rhodium complexes containing them as chiral ligands, and their use | [1985/33] | French: | Bis-(diphénylphosphino)-3,4 pyrrolidine optiquement active, complexes du rhodium les contenant comme ligands chiraux et leur utilisation | [1985/33] | Examination procedure | 14.12.1984 | Examination requested [1985/33] | 16.10.1987 | Despatch of communication of intention to grant (Approval: No) | 17.02.1988 | Despatch of communication of intention to grant (Approval: later approval) | 25.02.1988 | Communication of intention to grant the patent | 17.05.1988 | Fee for grant paid | 17.05.1988 | Fee for publishing/printing paid | Opposition(s) | 08.06.1989 | No opposition filed within time limit [1989/34] | Fees paid | Renewal fee | 06.11.1986 | Renewal fee patent year 03 | 27.11.1987 | 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 | [Y]US4343741 (TOWNSEND JOHN M, et al) | [YD] - CHEMISTRY LETTERS, Nr. 8, August 1983, Seiten 1203-1206, The Chemical Society of Japan; M. YATAGAI u.a.: "Effective asymmetric hydrogenation of dehydrodipeptides with rhodium(I) - New chiral diphosphinite systems" | [XP] - ANGEW. CHEM. INT. ED. ENGL., Band 23, Nr. 6, 1984, Seiten 435-436, Verlag Chemie GmbH, Weinheim, DE; U. NAGEL: "Asymmetric hydrogenation of alpha-(Acetylamino)cinnamic acid with a novel rhodium compled; the design of an optimal ligand" |