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Extract from the Register of European Patents

EP About this file: EP0491572

EP0491572 - Treatment of polyarylene sulfide resins [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  23.05.1997
Database last updated on 13.11.2024
Most recent event   Tooltip23.05.1997Lapse of the patent in a contracting statepublished on 09.07.1997 [1997/28]
23.05.1997No opposition filed within time limitpublished on 09.07.1997 [1997/28]
Applicant(s)For all designated states
TOSOH CORPORATION
4560, Kaisei-cho Shinnanyo-shi
Yamaguchi-ken, 746-8501 / JP
[N/P]
Former [1992/26]For all designated states
Tosoh Corporation
4560, Kaisei-cho
Shinnanyo-shi, Yamaguchi-ken, 746 / JP
Inventor(s)01 / Muneto, Toshihiko
2273-1, Ikuwa-cho
Yokkaichi-shi, Mie-ken / JP
02 / Kato, Toshikazu
5-1, Betsumei 3-chome
Yokkaichi-shi, Mie-ken / JP
03 / Inoue, Hiroshi
5-8, Betsumei 3-chome
Yokkaichi-shi, Mie-ken / JP
[1992/26]
Representative(s)Kearney, Kevin David Nicholas, et al
KILBURN & STRODE 20 Red Lion Street
London, WC1R 4PJ / GB
[N/P]
Former [1992/26]Kearney, Kevin David Nicholas, et al
KILBURN & STRODE 30 John Street
London, WC1N 2DD / GB
Application number, filing date91311820.419.12.1991
[1992/26]
Priority number, dateJP1990041171019.12.1990         Original published format: JP 41171090
JP1990041506827.12.1990         Original published format: JP 41506890
[1992/26]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0491572
Date:24.06.1992
Language:EN
[1992/26]
Type: A3 Search report 
No.:EP0491572
Date:12.08.1992
Language:EN
[1992/33]
Type: B1 Patent specification 
No.:EP0491572
Date:17.07.1996
Language:EN
[1996/29]
Search report(s)(Supplementary) European search report - dispatched on:EP25.06.1992
ClassificationIPC:C08G75/02, C08L81/02, C08K3/00
[1992/33]
CPC:
C08K3/22 (EP,US); C08G75/00 (KR); C08G75/0213 (US);
C08G75/0254 (US); C08G75/0277 (US); C08G75/0295 (EP,US);
C08G75/14 (US); C08K3/16 (EP,US); C08K3/26 (EP,US) (-)
C-Set:
C08K3/16, C08L81/02 (EP,US);
C08K3/22, C08L81/02 (US,EP);
C08K3/26, C08L81/02 (US,EP)
Former IPC [1992/26]C08L81/02, C08K3/00, C08G75/02
Designated contracting statesCH,   DE,   FR,   GB,   LI,   NL [1992/26]
TitleGerman:Behandlung von Polyarylensulfidharzen[1992/26]
English:Treatment of polyarylene sulfide resins[1992/26]
French:Traitement de polymères de sulfures de polyarylène[1992/26]
Examination procedure25.01.1993Examination requested  [1993/12]
30.03.1995Despatch of a communication from the examining division (Time limit: M04)
28.07.1995Reply to a communication from the examining division
15.09.1995Despatch of communication of intention to grant (Approval: Yes)
16.01.1996Communication of intention to grant the patent
22.02.1996Fee for grant paid
22.02.1996Fee for publishing/printing paid
Opposition(s)18.04.1997No opposition filed within time limit [1997/28]
Fees paidRenewal fee
13.12.1993Renewal fee patent year 03
07.12.1994Renewal fee patent year 04
08.12.1995Renewal fee patent year 05
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Lapses during opposition  TooltipCH17.07.1996
LI17.07.1996
[1997/28]
Documents cited:Search[A]JP59136328  ;
 [A]US4071509  (EDMONDS JR JAMES T);
 [AD]DE3143992  (PHILLIPS PETROLEUM CO [US]);
 [A]EP0140272  (BAYER AG [DE]);
 [A]EP0280325  (PHILLIPS PETROLEUM CO [US]);
 [A]EP0323175  (TOSOH CORP [JP], et al);
 [A]EP0364181  (POLYPLASTICS CO [JP]);
 [AP]EP0427134  (PHILLIPS PETROLEUM CO [US])
 [A]  - PATENT ABSTRACTS OF JAPAN vol. 8, no. 260 (C-254)(1697) 29 November 1984 ( SUMITOMO KAGAKU KOGYO ) 4 August 1984 & JP-A-59 136 328, & JP59136328 A 19840804
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.