EP0502376 - Method for the production of alpha,beta-unsaturated aldehydes and ketones [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 30.09.1995 Database last updated on 03.08.2024 | Most recent event Tooltip | 30.09.1995 | No opposition filed within time limit | published on 22.11.1995 [1995/47] | Applicant(s) | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 67063 Ludwigshafen / DE | [N/P] |
Former [1992/37] | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 D-67063 Ludwigshafen / DE | Inventor(s) | 01 /
Mackenroth, Christiane Seebacher Strasse 37 W-6702 Bad Duerkheim / DE | 02 /
Buschmann, Ernst, Dr. Georg-Ludwig-Krebs-Strasse 10 W-6700 Ludwigshafen / DE | [1992/37] | Application number, filing date | 92102915.3 | 21.02.1992 | [1992/37] | Priority number, date | DE19914106908 | 05.03.1991 Original published format: DE 4106908 | [1992/37] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0502376 | Date: | 09.09.1992 | Language: | DE | [1992/37] | Type: | B1 Patent specification | No.: | EP0502376 | Date: | 30.11.1994 | Language: | DE | [1994/48] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 18.06.1992 | Classification | IPC: | C07C45/60, C07C45/59, C07C47/232, C07C47/277, C07C403/14 | [1992/37] | CPC: |
C07C403/14 (EP,US);
C07C49/185 (KR);
C07C45/59 (EP,US);
C07C45/60 (EP,US);
C07C47/232 (EP,US);
C07C47/263 (EP,US);
| Designated contracting states | AT, BE, CH, DE, DK, ES, FR, GB, IT, LI, NL, SE [1992/37] | Title | German: | Verfahren zur Herstellen alpha, beta-ungesättigter Aldehyde und Ketone | [1992/37] | English: | Method for the production of alpha,beta-unsaturated aldehydes and ketones | [1992/37] | French: | Procédé pour la fabrication d'aldéhydes et de cétones alpha,bêta-insaturées | [1992/37] | Examination procedure | 03.07.1992 | Examination requested [1992/37] | 30.03.1994 | Despatch of communication of intention to grant (Approval: No) | 27.04.1994 | Despatch of communication of intention to grant (Approval: later approval) | 04.05.1994 | Communication of intention to grant the patent | 15.06.1994 | Fee for grant paid | 15.06.1994 | Fee for publishing/printing paid | Opposition(s) | 31.08.1995 | No opposition filed within time limit [1995/47] | Fees paid | Renewal fee | 17.02.1994 | Renewal fee patent year 03 |
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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 | [A] - SYNTHESIS. Juli 1981, STUTTGART DE Seiten 501 - 522; F.A.J. MESKENS: 'Methods for the preparation of acetals from alcohols or oxiranes and carbonyl compounds' | [A] - W. THEILHEIMER 'Synthetische Methoden der organischen Chemie Band 4' 1966 , S. KARGER , BASEL, CH | [A] - HOUBEN-WEYL 'Methoden der organischen Chemie Band VI/3' 1965 , GEORG THIEME VERLAG , STUTTGART DE | [A] - T. W. GREENE 'Protective groups in organic synthesis' 1981 , JOHN WILEY & SONS INTERSCIENCE , NEW YORK, USA |