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EP0431955
European procedure
Extract from the Register of European Patents
EP About this file: EP0431955
| EP0431955 - 3-Amino-2-hydroxybornane derivatives, asymmetric Michael reaction using the same, and process for preparing optically active muscone utilizing Michael reaction [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 02.02.1995 Database last updated on 21.03.2026 | Most recent event Tooltip | 03.01.1996 | Lapse of the patent in a contracting state | published on 24.01.1996 [1996/04] | Applicant(s) | For all designated states NIKKO KYODO CO., LTD. 10-1, Toranomon 2-chome Minato-ku Tokyo / JP | [N/P] |
| Former [1993/45] | For all designated states NIKKO KYODO CO., LTD. 10-1, Toranomon 2-chome Minato-ku Tokyo / JP | ||
| Former [1991/24] | For all designated states NIPPON MINING COMPANY LIMITED 10-1, Toranomon 2-chome Minato-ku Tokyo / JP | Inventor(s) | 01 /
Tanaka, Kazuhiko 2-4 Higashi Tojikawara-cho, Ichijyoji Sakyo-ku, Kyoto-shi, Kyoto / JP | [1991/24] | Representative(s) | Pearce, Anthony Richmond, et al Marks & Clerk LLP Alpha Tower Suffolk Street Queensway Birmingham B1 1TT / GB | [N/P] |
| Former [1991/24] | Pearce, Anthony Richmond, et al MARKS & CLERK, Alpha Tower, Suffolk Street Queensway Birmingham B1 1TT / GB | Application number, filing date | 90313300.7 | 07.12.1990 | [1991/24] | Priority number, date | JP19890317527 | 08.12.1989 Original published format: JP 31752789 | JP19900146190 | 06.06.1990 Original published format: JP 14619090 | [1991/24] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0431955 | Date: | 12.06.1991 | Language: | EN | [1991/24] | Type: | A3 Search report | No.: | EP0431955 | Date: | 06.11.1991 | Language: | EN | [1991/45] | Type: | B1 Patent specification | No.: | EP0431955 | Date: | 30.03.1994 | Language: | EN | [1994/13] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 16.09.1991 | Classification | IPC: | C07D307/52, C07D207/32, C07C215/44 | [1991/24] | CPC: |
C07D207/335 (EP,US);
C07C215/44 (EP,US);
C07C45/69 (EP,US);
C07D295/13 (EP,US);
C07D307/52 (EP,US);
C07C2602/42 (EP,US)
| C-Set: |
C07C45/69, C07C49/385 (EP,US)
| Designated contracting states | CH, DE, FR, GB, LI, NL [1991/24] | Title | German: | 3-Amino-2-hydroxynorbornan-Derivate, asymmetrische Michael-Reaktion hierzu und Verfahren zur Herstellung von optisch aktivem Muscon mit der Michael-Reaktion | [1991/24] | English: | 3-Amino-2-hydroxybornane derivatives, asymmetric Michael reaction using the same, and process for preparing optically active muscone utilizing Michael reaction | [1991/24] | French: | Dérivés du amino-3-hydroxy-2-norbornane, réaction asymétrique de Michael avec ce composé, et procédé pour la préparation du muscone optiquement actif par la réaction de michael | [1991/24] | File destroyed: | 03.03.2001 | Examination procedure | 21.04.1992 | Examination requested [1992/25] | 25.01.1993 | Despatch of a communication from the examining division (Time limit: M04) | 12.05.1993 | Reply to a communication from the examining division | 02.07.1993 | Despatch of communication of intention to grant (Approval: Yes) | 22.09.1993 | Communication of intention to grant the patent | 11.11.1993 | Fee for grant paid | 11.11.1993 | Fee for publishing/printing paid | Opposition(s) | 31.12.1994 | No opposition filed within time limit [1995/12] | Fees paid | Renewal fee | 11.12.1992 | Renewal fee patent year 03 | 13.12.1993 | 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. | Lapses during opposition Tooltip | GB | 07.12.1994 | [1996/04] | Documents cited: | Search | [X] JOURNAL OF THE CHEMICAL SOCIETY, CHEMICAL COMMUNICATIONS, no. 22, 15th November 1989, pages 1700-1701, Cambridge, GB; K. TANAKA et al.: "Enantioselective addition of diethylzinc to aldehydes catalysed by secondary amino alcohols" [X] | [XP] JOURNAL OF THE CHEMICAL SOCIETY, CHEMICAL COMMUNICATIONS, no. 11, 1st June 1990, pages 795-797, Cambridge, GB; K. TANAKA et al.: "Asymmetric synthesis of (R)-muscone by enantioselective addition of chiral methyl cuprate to (E)-2-cyclopentadecen-1-one" [XP] |