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EP0947492
European procedure
Extract from the Register of European Patents
EP About this file: EP0947492
| EP0947492 - Process for the preparation of citral [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 13.08.2004 Database last updated on 26.04.2025 | Most recent event Tooltip | 13.08.2004 | No opposition filed within time limit | published on 29.09.2004 [2004/40] | Applicant(s) | For all designated states F. Hoffmann-La Roche AG 4070 Basel / CH | [N/P] |
| Former [1999/40] | For all designated states F. HOFFMANN-LA ROCHE AG 4070 Basel / CH | Inventor(s) | 01 /
Bonrath, Werner 140 Haslacherstrasse 79115 Freiburg / DE | [1999/40] | Application number, filing date | 99105903.1 | 24.03.1999 | [1999/40] | Priority number, date | EP19980105757 | 30.03.1998 Original published format: EP 98105757 | [1999/40] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0947492 | Date: | 06.10.1999 | Language: | DE | [1999/40] | Type: | B1 Patent specification | No.: | EP0947492 | Date: | 08.10.2003 | Language: | DE | [2003/41] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 19.08.1999 | Classification | IPC: | C07C45/51, C07C47/20 | [1999/40] | CPC: |
C07C45/512 (EP,US)
| C-Set: |
C07C45/512, C07C47/21 (EP,US)
| Designated contracting states | BE, CH, DE, DK, ES, FR, GB, IE, IT, LI, NL, SE [2000/24] |
| Former [1999/40] | AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE | Title | German: | Verfahren zur Herstellung von Citral | [1999/40] | English: | Process for the preparation of citral | [1999/40] | French: | Procédé pour la préparation de citral | [1999/40] | Examination procedure | 23.03.2000 | Examination requested [2000/20] | 25.07.2002 | Despatch of a communication from the examining division (Time limit: M04) | 14.11.2002 | Reply to a communication from the examining division | 17.04.2003 | Communication of intention to grant the patent | 06.08.2003 | Fee for grant paid | 06.08.2003 | Fee for publishing/printing paid | Opposition(s) | 09.07.2004 | No opposition filed within time limit [2004/40] | Fees paid | Renewal fee | 16.03.2001 | Renewal fee patent year 03 | 13.03.2002 | Renewal fee patent year 04 | 11.03.2003 | Renewal fee patent year 05 |
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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 | SE | 08.01.2004 | [2004/24] | Documents cited: | Search | [DY]GB1204754 (RHONE POULENC SA [FR]) [DY] 1-10 * page 1 - page 3; example 23 *; | [Y]EP0240431 (RHONE POULENC SANTE [FR]) [Y] 1-10 * page 2, line 59 - page 3, line 53 * | [DX] - C.Y. LORBER AND J.A. OSBORN, "Cis-dioxomolybdenum (VI) complexes as new catalysts for the Meyer-Schuster Rearrangement", TETRAHEDRON LETTERS, (1996), vol. 37, no. 6, pages 853 - 856, XP004030279 [DX] 1-10 * the whole document * DOI: http://dx.doi.org/10.1016/0040-4039(95)02324-0 | [Y] - ERMAN, M. B. ET AL, "The rearrangement of tertiary propargyl alcohols to.alpha.,.beta.-unsaturated aldehydes in the presence of polymeric organosilyl vanadates", TETRAHEDRON LETT. (1976), (34), 2981-4 CODEN: TELEAY, XP002107749 [Y] 1-10 * page 2984 * DOI: http://dx.doi.org/10.1016/S0040-4039(01)85506-4 |