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Extract from the Register of European Patents

EP About this file: EP0829472

EP0829472 - IMPROVED PROCESS FOR PRODUCING 4-HYDROXY-2-PYRROLIDONE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  28.06.2003
Database last updated on 28.06.2024
Most recent event   Tooltip25.07.2008Change - representativepublished on 27.08.2008  [2008/35]
Applicant(s)For all designated states
DAISO CO., LTD.
10-8, Edobori 1-chome, Nishi-ku Osaka-shi
Osaka 550-0002 / JP
[N/P]
Former [2002/34]For all designated states
DAISO CO., LTD.
10-8, Edobori 1-chome, Nishi-ku
Osaka-shi, Osaka 550-0002 / JP
Former [1998/12]For all designated states
DAISO CO., LTD.
10-8, Edobori 1-chome, Nishi-ku
Osaka-shi, Osaka 550 / JP
Inventor(s)01 / FURUKAWA, Yoshiro 5-4, Minamitanabe 5-chome
Higashisumiyoshi-ku Osaka-shi
Osaka 546 / JP
02 / SHIOMI, Yutaka
4-2, Masaki-machi 1-chome Matsuyama-shi
Ehime 790 / JP
03 / NAGAO, Kenichi
35-5, Oshima 2-chome Amagasaki-shi
Hyogo 660 / JP
[1998/12]
Representative(s)Vossius & Partner Patentanwälte Rechtsanwälte mbB
Siebertstrasse 3
81675 München / DE
[N/P]
Former [2008/35]Vossius & Partner
Siebertstrasse 3
81675 München / DE
Former [1998/12]VOSSIUS & PARTNER
Siebertstrasse 4
81675 München / DE
Application number, filing date96913738.914.05.1996
[1998/12]
WO1996JP01259
Priority number, dateJP1995012167519.05.1995         Original published format: JP 12167595
[1998/12]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9636603
Date:21.11.1996
Language:EN
[1996/51]
Type: A1 Application with search report 
No.:EP0829472
Date:18.03.1998
Language:EN
The application published by WIPO in one of the EPO official languages on 21.11.1996 takes the place of the publication of the European patent application.
[1998/12]
Type: B1 Patent specification 
No.:EP0829472
Date:21.08.2002
Language:EN
[2002/34]
Search report(s)International search report - published on:JP21.11.1996
(Supplementary) European search report - dispatched on:EP20.10.1998
ClassificationIPC:C07D207/273
[1998/12]
CPC:
C07D207/273 (EP,KR,US)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE [1998/12]
TitleGerman:VERFAHREN ZUR HERSTELLUNG VON 4-HYDROXY-2-PYRROLIDON[1998/12]
English:IMPROVED PROCESS FOR PRODUCING 4-HYDROXY-2-PYRROLIDONE[1998/12]
French:PROCEDE AMELIORE POUR PREPARER LA 4-HYDROXY-2-PYRROLIDONE[1998/12]
Entry into regional phase05.11.1997Translation filed 
02.12.1997National basic fee paid 
02.12.1997Search fee paid 
02.12.1997Designation fee(s) paid 
02.12.1997Examination fee paid 
Examination procedure20.11.1996Request for preliminary examination filed
International Preliminary Examining Authority: JP
02.12.1997Examination requested  [1998/12]
23.03.2001Despatch of a communication from the examining division (Time limit: M04)
09.07.2001Reply to a communication from the examining division
16.11.2001Despatch of communication of intention to grant (Approval: Yes)
24.01.2002Communication of intention to grant the patent
02.05.2002Fee for grant paid
02.05.2002Fee for publishing/printing paid
Opposition(s)22.05.2003No opposition filed within time limit [2003/33]
Fees paidRenewal fee
29.05.1998Renewal fee patent year 03
28.05.1999Renewal fee patent year 04
30.05.2000Renewal fee patent year 05
31.05.2001Renewal fee patent year 06
31.05.2002Renewal fee patent year 07
Opt-out from the exclusive  Tooltip
competence of the Unified
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.
Lapses during opposition  TooltipAT21.08.2002
BE21.08.2002
FI21.08.2002
GR21.08.2002
DK21.11.2002
SE21.11.2002
PT04.12.2002
ES28.02.2003
IE14.05.2003
LU14.05.2003
[2005/21]
Former [2005/01]AT21.08.2002
BE21.08.2002
GR21.08.2002
DK21.11.2002
SE21.11.2002
PT04.12.2002
ES28.02.2003
IE14.05.2003
LU14.05.2003
Former [2004/39]AT21.08.2002
BE21.08.2002
GR21.08.2002
DK21.11.2002
PT04.12.2002
ES28.02.2003
IE14.05.2003
LU14.05.2003
Former [2004/29]AT21.08.2002
BE21.08.2002
GR21.08.2002
DK21.11.2002
PT04.12.2002
ES28.02.2003
IE14.05.2003
Former [2004/04]AT21.08.2002
BE21.08.2002
GR21.08.2002
DK21.11.2002
PT04.12.2002
ES28.02.2003
Former [2003/48]AT21.08.2002
BE21.08.2002
GR21.08.2002
DK21.11.2002
PT04.12.2002
Former [2003/46]AT21.08.2002
GR21.08.2002
DK21.11.2002
PT04.12.2002
Former [2003/31]AT21.08.2002
GR21.08.2002
PT04.12.2002
Former [2003/22]GR21.08.2002
PT04.12.2002
Former [2003/20]GR21.08.2002
Documents cited:Search   [ ] - No further relevant documents disclosed
International search[A]JPS4862721  ;
 [A]JPS57183756  (DENKI KAGAKU KOGYO KK);
 [A]JPS61176564  (KYOWA HAKKO KOGYO KK);
 [A]JPS63174957  (OSAKA SODA CO LTD)
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.