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Extract from the Register of European Patents

EP About this file: EP0019225

EP0019225 - Process for the preparation of N-vinyl-N-alkyl carboxylic acid amides [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.09.2016
Database last updated on 11.09.2024
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 [1980/24]For all designated states
HOECHST AKTIENGESELLSCHAFT
D-65926 Frankfurt am Main / DE
Inventor(s)01 / Jensen, Harald, Dr.
Egerländer Strasse 37
D-6233 Kelkheim (Taunus) / DE
02 / Schmidt, Erwin, Dr.
Am Flachsland 26
D-6233 Kelkheim (Taunus) / DE
03 / Mitzlaff, Michael, Dr.
Berliner Strasse 26
D-6380 Bad Homburg / DE
04 / Cramer, Jürgen, Dr.
Bergstrasse 27
D-6239 Eppstein/Taunus / DE
05 / Pistorius, Rudolf, Dr.
Ausserhalb
D-6352 Ober-Mörlen / DE
06 / Pietsch, Hartmut, Dr.
Kantstrasse 14
D-6238 Hofheim am Taunus / DE
07 / Dehmer, Klaus, Dr.
Falkensteiner Strasse 20
D-6233 Kelkheim (Taunus) / DE
[1980/24]
Application number, filing date80102538.808.05.1980
[1980/24]
Priority number, dateDE1979291975516.05.1979         Original published format: DE 2919755
[1980/24]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0019225
Date:26.11.1980
Language:DE
[1980/24]
Type: B1 Patent specification 
No.:EP0019225
Date:24.03.1982
Language:DE
[1982/12]
Search report(s)(Supplementary) European search report - dispatched on:EP15.08.1980
ClassificationIPC:C07C103/365, C07C103/38, C07C102/00
[1980/24]
CPC:
C07C231/00 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   NL,   SE [1980/24]
TitleGerman:Verfahren zur Herstellung von N-Vinyl-N-alkyl-carbonsäureamiden[1980/24]
English:Process for the preparation of N-vinyl-N-alkyl carboxylic acid amides[1980/24]
French:Procédé pour la préparation d'amides N-vinyl-N-alkyl-carboxyliques[1980/24]
Examination procedure20.12.1980Examination requested  [1981/10]
20.08.1981Despatch of communication of intention to grant (Approval: )
03.09.1981Communication of intention to grant the patent
20.11.1981Fee for grant paid
20.11.1981Fee for publishing/printing paid
Opposition(s)24.12.1982No opposition filed within time limit [ N /P ]
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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:SearchDE1235893  [ ] (HOECHST AG);
 US3377340  [ ] (ROBERT HARTWIMMER, et al);
 GB1125324  [ ] (HOECHST AG);
 DE1445737  [ ] (HOECHST AG);
 DE1545798  [ ] (HOECHST AG);
 DE2113338  [ ] (HOECHST AG)
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.