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Extract from the Register of European Patents

EP About this file: EP0525101

EP0525101 - POLYBENZAZOLE POLYMERS CONTAINING INDAN MOIETIES [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  09.02.1995
Database last updated on 25.09.2024
Most recent event   Tooltip09.02.1995Withdrawal of applicationpublished on 29.03.1995 [1995/13]
Applicant(s)For all designated states
THE DOW CHEMICAL COMPANY
2030 Dow Center
Midland, Michigan 48674 / US
[N/P]
Former [1993/05]For all designated states
THE DOW CHEMICAL COMPANY
2030 Dow Center, Abbott Road
Midland, Michigan 48640 / US
Inventor(s)01 / SUMMERS, John, D.
26 Mary Jane
New Town Square, PA 19073 / US
02 / WESSLING, Ritchie, A.
1126 Shattuck Avenue
Berkeley, CA 94707 / US
[1993/05]
Representative(s)Sternagel, Hans-Günther, et al
Patentanwälte Sternagel & Fleischer Braunsberger Feld 29
51429 Bergisch Gladbach / DE
[N/P]
Former [1994/40]Sternagel, Hans-Günther, Dr., et al
Patentanwälte Dr. Michael Hann Dr. H.-G. Sternagel Sander Aue 30
D-51465 Bergisch Gladbach / DE
Former [1993/05]Sternagel, Hans-Günther, Dr.
Patentanwälte Dr. Michael Hann Dr. H.-G. Sternagel Sander Aue 30
D-51465 Bergisch Gladbach / DE
Application number, filing date91908837.701.04.1991
[1993/05]
WO1991US02164
Priority number, dateUS1990051331620.04.1990         Original published format: US 513316
[1993/05]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9116121
Date:31.10.1991
Language:EN
[1991/25]
Type: A1 Application with search report 
No.:EP0525101
Date:03.02.1993
Language:EN
The application published by WIPO in one of the EPO official languages on 31.10.1991 takes the place of the publication of the European patent application.
[1993/05]
Search report(s)International search report - published on:US31.10.1991
(Supplementary) European search report - dispatched on:EP03.03.1993
ClassificationIPC:B01D53/22, B01D71/56, C08G73/22
[1993/16]
CPC:
C08G73/22 (EP,US); B01D71/62 (EP,US)
Former IPC [1993/05]B01D53/22, B01D71/56
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1993/05]
TitleGerman:INDANANTEILE ENTHALTENDE POLYBENZAZOLPOLYMERE[1993/05]
English:POLYBENZAZOLE POLYMERS CONTAINING INDAN MOIETIES[1993/05]
French:POLYMERES DE POLYBENZAZOLE CONTENANT DES FRACTIONS D'INDANE[1993/05]
File destroyed:03.03.2001
Entry into regional phase13.10.1992National basic fee paid 
13.10.1992Search fee paid 
13.10.1992Designation fee(s) paid 
13.10.1992Examination fee paid 
Examination procedure16.09.1991Request for preliminary examination filed
International Preliminary Examining Authority: DE
13.10.1992Examination requested  [1993/05]
02.08.1994Despatch of a communication from the examining division (Time limit: M06)
04.02.1995Application withdrawn by applicant  [1995/13]
Fees paidRenewal fee
26.02.1993Renewal fee patent year 03
25.02.1994Renewal fee patent year 04
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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[A]GB2211193  (CENTRAL GLASS CO LTD [JP]);
 [A]WO8912072  (FOSTER MILLER INC [US], et al)
International search[A]US3951920  (SENOO MASAO, et al);
 [A]US4157960  (CHANG RICHARD C [US], et al);
 [A]US4172885  (PERRY ELI [US]);
 [A]US4180552  (GRAHAM TOMMY E [US], et al);
 [A]US4323453  (ZAMPINI ANTHONY);
 [A]US4662905  (MATSUURA JUNICHI [JP], et al);
 [A]US4783203  (DOSHI KISHORE J [US]);
 [A]US4898924  (CHENEVEY EDWARD C [US], et al)
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.