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Extract from the Register of European Patents

EP About this file: EP0494756

EP0494756 - Aromatic polyamide oligomers [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  07.02.1997
Database last updated on 11.09.2024
Most recent event   Tooltip07.12.2007Lapse of the patent in a contracting statepublished on 09.01.2008  [2008/02]
Applicant(s)For all designated states
SHOWA HIGHPOLYMER CO., LTD.
20, Kanda Nishiki-cho 3-chome Chiyoda-ku
Tokyo / JP
[N/P]
Former [1996/14]For all designated states
SHOWA HIGHPOLYMER CO., LTD.
20 Kanda Nishiki-cho 3-chome Chiyoda-ku
Tokyo / JP
Former [1992/29]For all designated states
SHOWA HIGHPOLYMER CO., LTD.
No. 20, Kandanishiki-cho 3-chome Chiyoda-ku
Tokyo / JP
Inventor(s)01 / Hosogane, Tadayuki
170-74 Nakada-cho, Izumi-ku
Yokohama-shi, Kanagawa-ken / JP
02 / Nakajima, Hiroshi
347-1 Kamidakeshi, Sakai-machi
Sawa-gun, Gunma-ken / JP
[1992/29]
Representative(s)Farwell, William Robert, et al
PHILLIPS & LEIGH 5 Pemberton Row
London EC4A 3BA / GB
[N/P]
Former [1992/29]Farwell, William Robert, et al
PHILLIPS & LEIGH 7 Staple Inn High Holborn
London WC1V 7QF / GB
Application number, filing date92300124.207.01.1992
[1992/29]
Priority number, dateJP1991001400711.01.1991         Original published format: JP 1400791
[1992/29]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0494756
Date:15.07.1992
Language:EN
[1992/29]
Type: A3 Search report 
No.:EP0494756
Date:26.08.1992
Language:EN
[1992/35]
Type: B1 Patent specification 
No.:EP0494756
Date:03.04.1996
Language:EN
[1996/14]
Search report(s)(Supplementary) European search report - dispatched on:EP08.07.1992
ClassificationIPC:C08G18/67, C08G18/34, C08G69/00, C08F283/04, C07C271/20, C07C233/80, C07D207/452
[1992/35]
CPC:
C07D207/452 (EP,US); C08G18/341 (EP,US); C08G18/671 (EP,US);
C08G18/6715 (EP,US); C08G18/6735 (EP,US); C08G18/6755 (EP,US);
C08G69/00 (EP,US); C08L77/00 (EP,US) (-)
C-Set:
C08L77/00, C08L79/08 (EP,US)
Former IPC [1992/29]C08G18/67, C08G18/34, C08G69/00
Designated contracting statesDE,   FR,   GB,   IT [1992/29]
TitleGerman:Aromatische Polyamid-Oligomere[1992/29]
English:Aromatic polyamide oligomers[1992/29]
French:Oligomères de polyamide aromatique[1992/29]
Examination procedure22.02.1993Examination requested  [1993/16]
06.12.1994Despatch of a communication from the examining division (Time limit: M06)
05.06.1995Reply to a communication from the examining division
27.07.1995Despatch of communication of intention to grant (Approval: Yes)
29.09.1995Communication of intention to grant the patent
12.12.1995Fee for grant paid
12.12.1995Fee for publishing/printing paid
Opposition(s)04.01.1997No opposition filed within time limit [1997/13]
Fees paidRenewal fee
11.12.1993Renewal fee patent year 03
17.12.1994Renewal fee patent year 04
14.12.1995Renewal fee patent year 05
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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.
Lapses during opposition  TooltipIT03.04.1996
[2008/02]
Former [1999/42]IT03.04.1996
Documents cited:Search[A]JP2258868  ;
 [A]US4108810  (BAKER ANN MARIE);
 [A]US4110274  (CORBETT JOHN M, et al);
 [X]US4187366  (FRIEDLANDER CHARLES B [US], et al)
 [A]  - PATENT ABSTRACTS OF JAPAN vol. 15, no. 7 9 January 1991 & JP-A-2 258 868 ( SHOWA HIGH POLYMER ) 19 October 1990, & JP2258868 A 19901019
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.