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Extract from the Register of European Patents

EP About this file: EP0159644

EP0159644 - N-(dichlorofluoromethylthio)-3,4-dimethylmaleinimide, process for its preparation and its use [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  03.02.1989
Database last updated on 24.08.2024
Most recent event   Tooltip03.02.1989No opposition filed within time limitpublished on 22.03.1989 [1989/12]
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[N/P]
Former [1985/44]For all designated states
BAYER AG
D-51368 Leverkusen / DE
Inventor(s)01 / Kühle, Engelbert, Dr.
von-Bodelschwingh-Strasse 42
D-5060 Bergisch-Gladbach 2 / DE
02 / Paulus, Wilfried, Dr.
Deswatinesstrasse 90
D-4150 Krefeld 1 / DE
03 / Genth, Hermann, Dr.
Am Heckerhof 60
D-4150 Krefeld 1 / DE
[1985/44]
Application number, filing date85104530.215.04.1985
[1985/44]
Priority number, dateDE1984341553226.04.1984         Original published format: DE 3415532
[1985/44]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0159644
Date:30.10.1985
Language:DE
[1985/44]
Type: A3 Search report 
No.:EP0159644
Date:15.01.1986
Language:DE
[1986/03]
Type: B1 Patent specification 
No.:EP0159644
Date:06.04.1988
Language:DE
[1988/14]
Search report(s)(Supplementary) European search report - dispatched on:EP14.11.1985
ClassificationIPC:C07D207/48, A01N43/36
[1985/44]
CPC:
C07D207/48 (EP,US)
Designated contracting statesBE,   CH,   DE,   FR,   GB,   IT,   LI,   NL,   SE [1985/44]
TitleGerman:N-(Dichlorfluormethylthio)-3,4-dimethylmaleinimid, ein Verfahren zu seiner Herstellung und seine Verwendung[1985/44]
English:N-(dichlorofluoromethylthio)-3,4-dimethylmaleinimide, process for its preparation and its use[1985/44]
French:N-(Dichlorofluorométhylthio)-3,4-diméthylmaléinimide, procédé de préparation et utilisation[1985/44]
Examination procedure15.04.1985Examination requested  [1985/44]
25.02.1987Despatch of a communication from the examining division (Time limit: M04)
14.04.1987Reply to a communication from the examining division
25.06.1987Despatch of communication of intention to grant (Approval: )
07.10.1987Communication of intention to grant the patent
16.10.1987Fee for grant paid
16.10.1987Fee for publishing/printing paid
Opposition(s)10.01.1989No opposition filed within time limit [1989/12]
Fees paidRenewal fee
18.03.1987Renewal 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[XP]EP0111452  (CIBA GEIGY AG [CH]);
 [X]GB927834  (BAYER AG);
 [X]US3499030  (KUHLE ENGELBERT, et al);
 [X]DE3203057  (BAYER AG [DE])
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.