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Extract from the Register of European Patents

EP About this file: EP0220584

EP0220584 - Process for the preparation of aryl cyanamides [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  19.09.1989
Database last updated on 14.11.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[N/P]
Former [1987/19]For all designated states
BAYER AG
D-51368 Leverkusen / DE
Inventor(s)01 / Fauss, Rudolf, Dr.
Gerstenkamp 10
D-5000 Köln 80 / DE
02 / Riebel, Hans-Jochem, Dr.
In der Beek 92
D-5600 Wuppertal 1 / DE
[1987/19]
Application number, filing date86114124.013.10.1986
[1987/19]
Priority number, dateDE1985353812826.10.1985         Original published format: DE 3538128
[1987/19]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0220584
Date:06.05.1987
Language:DE
[1987/19]
Type: A3 Search report 
No.:EP0220584
Date:23.03.1988
Language:DE
[1988/12]
Search report(s)(Supplementary) European search report - dispatched on:EP01.02.1988
ClassificationIPC:C07C125/08
[1987/19]
CPC:
C07D307/91 (EP,US); C07C233/00 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   NL [1987/19]
TitleGerman:Verfahren zur Herstellung von Aryl-cyanamiden[1987/19]
English:Process for the preparation of aryl cyanamides[1987/19]
French:Procédé de préparation d'aryl-cyanamides[1987/19]
File destroyed:21.07.1995
Examination procedure13.10.1986Examination requested  [1987/19]
22.08.1989Application withdrawn by applicant  [1989/45]
Fees paidRenewal fee
21.09.1988Renewal fee patent year 03
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Documents cited:Search[AD]  - HOUBEN-WEYL: "Methoden der organischen Chemie", Band E4, "Kohlensäure-Derivate", 1983, Georg Thieme Verlag, Stuttgart, 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.