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Extract from the Register of European Patents

EP About this file: EP0389902

EP0389902 - Process for producing aromatic polyetherketones [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  08.02.1991
Database last updated on 19.10.2024
Most recent event   Tooltip08.02.1991Withdrawal of applicationpublished on 27.03.1991 [1991/13]
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[N/P]
Former [1990/40]For all designated states
BAYER AG
D-51368 Leverkusen / DE
Inventor(s)01 / Kern, Sabine, Dr.
Trajanstrasse 25
D-4130 Moers / DE
02 / Karsten, Idel, Dr.
Am Schwarzkamp 38
D-4150 Krefeld / DE
03 / Eckhardt, Volker, Dr.
Bodelschwinghstrasse 14
D-4150 Krefeld / DE
04 / Freitag, Dieter, Dr.
Hasenheide 10
D-4150 Krefeld / DE
[1990/40]
Application number, filing date90105076.517.03.1990
[1990/40]
Priority number, dateDE1989391027930.03.1989         Original published format: DE 3910279
[1990/40]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0389902
Date:03.10.1990
Language:DE
[1990/40]
Search report(s)(Supplementary) European search report - dispatched on:EP06.08.1990
ClassificationIPC:C08G65/40, C08G65/38
[1990/40]
CPC:
C08G65/4075 (EP); C08G65/4012 (EP)
Designated contracting statesDE,   FR,   GB,   IT [1990/40]
TitleGerman:Verfahren zur Herstellung von aromatischen Polyätherketonen[1990/40]
English:Process for producing aromatic polyetherketones[1990/40]
French:Procédé pour la production de polyéthercétones aromatiques[1990/40]
File destroyed:02.03.1998
Examination procedure17.03.1990Examination requested  [1990/40]
31.01.1991Application withdrawn by applicant  [1991/13]
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Patent Court		 See the Register of the Unified Patent Court for opt-out data
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[A]EP0307710  ;
 [AD]DE2220079  ;
 [A]DE2730128  ;
 [AD]EP0001879
 [A]  - JOURNAL OF MACROMOLECULAR SCIENCE
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.