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Extract from the Register of European Patents

EP About this file: EP0012850

EP0012850 - Process for the preparation of ketones by reacting carboxylic-acid halides with alkyl aluminium compounds [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.09.2016
Database last updated on 03.08.2024
Most recent event   Tooltip14.09.2016No opposition filed within time limit 
Applicant(s)For all designated states
HOECHST AKTIENGESELLSCHAFT
65926 Frankfurt am Main / DE
[N/P]
Former [1981/47]For all designated states
HOECHST AKTIENGESELLSCHAFT
D-65926 Frankfurt am Main / DE
Former [1980/14]For all designated states
HOECHST AKTIENGESELLSCHAFT
Postfach 80 03 20
D-65926 Frankfurt / DE
Inventor(s)01 / Spielmann, Werner, Dr.
Johann-Strauss-Strasse 18a
D-6233 Kelkheim (Taunus) / DE
02 / Schaeffer, Georg, Dr.
Herderstrasse 58
D-6238 Hofheim am Taunus / DE
[1980/14]
Application number, filing date79104630.321.11.1979
[1980/14]
Priority number, dateDE1978285137128.11.1978         Original published format: DE 2851371
DE1979294139112.10.1979         Original published format: DE 2941391
[1980/14]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0012850
Date:09.07.1980
Language:DE
[1980/14]
Type: B1 Patent specification 
No.:EP0012850
Date:25.11.1981
Language:DE
[1981/47]
Search report(s)(Supplementary) European search report - dispatched on:EP06.05.1980
ClassificationIPC:C07C45/45, C07C49/00, // C07C69/76, C07C79/36, C07D307/46, C07D333/22
[1981/47]
CPC:
C07D333/22 (EP,US); C07C201/12 (EP,US); C07C45/45 (EP,US);
C07D307/46 (EP,US)
C-Set:
C07C201/12, C07C205/45 (EP,US);
C07C45/45, C07C49/04, C07C49/203, C07C49/697, C07C49/753, C07C49/78 (US,EP)
Former IPC [1980/14]C07C45/45, C07C49/00, C07C69/76, C07C79/36, C07D307/46, C07D333/22
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   NL [1980/14]
TitleGerman:Verfahren zur Herstellung von Ketonen durch Umsetzung von Carbonsäurehalogeniden mit Alkylaluminiumverbindungen[1980/14]
English:Process for the preparation of ketones by reacting carboxylic-acid halides with alkyl aluminium compounds[1980/14]
French:Procédé de préparation de cétones par réaction d'halogénures d'acides carboxyliques avec des dérivés d'alcoylaluminium[1980/14]
Examination procedure21.08.1980Examination requested  [1980/23]
21.11.1980Despatch of a communication from the examining division (Time limit: {0})
06.02.1981Despatch of a communication from the examining division (Time limit: M01)
16.02.1981Reply to a communication from the examining division
19.03.1981Despatch of communication of intention to grant (Approval: )
06.04.1981Communication of intention to grant the patent
26.06.1981Fee for grant paid
26.06.1981Fee for publishing/printing paid
Opposition(s)25.08.1982No opposition filed within time limit [ N /P ]
Fees paidRenewal fee
07.10.1981Renewal fee patent year 03
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Documents cited:SearchDE1249849  [ ]
    [ ] - TENSIDE, Bd. 4, Nr. 6, 1967, Munchen, CARL HANSER ZEITSCHRIFTENVERLAG GMBH, H. REINHECKEL und R. HAAGE "Uber Reaktionen mit Aluminiumalkylen,VIII"Seiten 167 bis 171
    [ ] - CHEMICAL ABSTRACTS, Vol.59, 1963 Columbus, OhioUSA Seite 8640e
    [ ] - CHEMICAL ABSTRACTS, Vol. 59,1963 Columbus, OhioUSA Seite 8640d
    [ ] - CHEMICAL ABSTRACTS, Vol.60, 1964 Columbus, OhioUSA Seite 14420c
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.