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Extract from the Register of European Patents

EP About this file: EP0502376

EP0502376 - Method for the production of alpha,beta-unsaturated aldehydes and ketones [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  30.09.1995
Database last updated on 03.08.2024
Most recent event   Tooltip30.09.1995No opposition filed within time limitpublished 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 date92102915.321.02.1992
[1992/37]
Priority number, dateDE1991410690805.03.1991         Original published format: DE 4106908
[1992/37]
Filing languageDE
Procedural languageDE
PublicationType: 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:EP18.06.1992
ClassificationIPC: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);
C07C69/007 (EP,US); C07C2601/16 (EP,US) (-)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   IT,   LI,   NL,   SE [1992/37]
TitleGerman: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 procedure03.07.1992Examination requested  [1992/37]
30.03.1994Despatch of communication of intention to grant (Approval: No)
27.04.1994Despatch of communication of intention to grant (Approval: later approval)
04.05.1994Communication of intention to grant the patent
15.06.1994Fee for grant paid
15.06.1994Fee for publishing/printing paid
Opposition(s)31.08.1995No opposition filed within time limit [1995/47]
Fees paidRenewal fee
17.02.1994Renewal fee patent year 03
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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
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.