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Extract from the Register of European Patents

EP About this file: EP0447358

EP0447358 - Soluble polyarylene ether sulfones [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  29.03.1994
Database last updated on 19.10.2024
Most recent event   Tooltip29.03.1994Application deemed to be withdrawnpublished on 18.05.1994 [1994/20]
Applicant(s)For all designated states
CIBA-GEIGY AG
Klybeckstrasse 141
4002 Basel / CH
[N/P]
Former [1991/38]For all designated states
CIBA-GEIGY AG
Klybeckstrasse 141
CH-4002 Basel / CH
Inventor(s)01 / Pfaendner, Rudolf, Dr.
Sackgasse 3
W-6149 Rimbach/Odenwald 1 / DE
02 / Kainmüller, Thomas Dr.
Am Kümmelberg 1
D - 6145 Lindenfels 1 / DE
03 / Hoffmann, Kurt
Heidenbergstrasse 15
W-6147 Lautertal 2 / DE
04 / Stockinger, Friedrich
Au Fernotz
CH-1784 Courtepin / CH
05 / Kramer, Andreas, Dr.
Bundtels
CH-3186 Düdingen / CH
[1991/38]
Application number, filing date91810143.704.03.1991
[1991/38]
Priority number, dateCH1990000079012.03.1990         Original published format: CH 79090
[1991/38]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0447358
Date:18.09.1991
Language:DE
[1991/38]
Type: A3 Search report 
No.:EP0447358
Date:23.10.1991
Language:DE
[1991/43]
Search report(s)(Supplementary) European search report - dispatched on:EP05.09.1991
ClassificationIPC:C08G65/40
[1991/38]
CPC:
C08G75/23 (EP,US); C08L63/00 (EP,US)
C-Set:
C08L63/00, C08L81/00 (EP,US)
Designated contracting statesDE,   ES,   FR,   GB,   IT,   NL,   SE [1991/38]
TitleGerman:Lösliche Polyarylenethersulfone[1991/38]
English:Soluble polyarylene ether sulfones[1991/38]
French:Polyarylène éther sulfones solubles[1991/38]
File destroyed:15.01.2000
Examination procedure06.03.1991Examination requested  [1991/52]
08.11.1993Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time  [1994/20]
03.03.1994Application deemed to be withdrawn, date of legal effect  [1994/20]
Fees paidPenalty fee
Additional fee for renewal fee
31.03.199303   M06   Not yet paid
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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[X]EP0247512  (SUMITOMO CHEMICAL CO [JP]);
 [A]US4870153  (MATZNER MARKUS [US], et al);
 [X]WO9000573  (RAYCHEM LTD [GB]);
 [XP]WO9014379  (TEIJIN LTD [JP])
 [A]  - Polymer vol. 29, no. 2, 1988, Hampton, VA 23665, USA Seiten 358 - 369; P. M. Hergenrother et al.: "Poly(arylene ethers)"
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.