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Extract from the Register of European Patents

EP About this file: EP0452916

EP0452916 - Process for producing polyolefins [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  07.05.1999
Database last updated on 03.09.2024
Most recent event   Tooltip07.12.2007Lapse of the patent in a contracting state
New state(s): IT
published on 09.01.2008  [2008/02]
Applicant(s)For all designated states
IDEMITSU PETROCHEMICAL CO., LTD.
6-1, Shiba 5-chome, Minato-ku
Tokyo 108-0014 / JP
[N/P]
Former [1996/26]For all designated states
IDEMITSU PETROCHEMICAL CO., LTD.
6-1, Shiba 5-chome
Minato-ku, Tokyo 108 / JP
Former [1991/43]For all designated states
IDEMITSU PETROCHEMICAL CO. LTD.
1-1, Marunouchi 3-chome Chiyoda-ku
Tokyo 100 / JP
Inventor(s)01 / Toda, Masatoshi, IDEMITSU PETROCHEMICAL CO., Ltd.
1-1, Anesakikaigan
Ichihara-shi, Chiba-ken / JP
02 / Funabashi, Hideo, IDEMITSU PETROCHEMICAL CO., Ltd.
1-1, Anesakikaigan
Ichihara-shi, Chiba-ken / JP
03 / Aburatani, Ryo, IDEMITSU PETROCHEMICAL CO., Ltd.
1-1, Anesakikaigan
Ichihara-shi, Chiba-ken / JP
04 / Sugahara, Akinobu, IDEMITSU PETROCHEMICAL CO., Ltd
1-1, Anesakikaigan
Ichihara-shi, Chiba-ken / JP
[1991/43]
Representative(s)Hoeger, Stellrecht & Partner Patentanwälte mbB
Uhlandstrasse 14c
70182 Stuttgart / DE
[N/P]
Former [1991/43]Hoeger, Stellrecht & Partner
Uhlandstrasse 14 c
D-70182 Stuttgart / DE
Application number, filing date91106190.118.04.1991
[1991/43]
Priority number, dateJP1990010281320.04.1990         Original published format: JP 10281390
[1991/43]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0452916
Date:23.10.1991
Language:EN
[1991/43]
Type: B1 Patent specification 
No.:EP0452916
Date:01.07.1998
Language:EN
[1998/27]
Search report(s)(Supplementary) European search report - dispatched on:EP29.07.1991
ClassificationIPC:C08F10/00, C08F4/646
[1991/43]
CPC:
C08F10/00 (EP,US)
C-Set:
C08F10/00, C08F4/6465 (EP,US)
Designated contracting statesBE,   DE,   ES,   FR,   GB,   IT,   NL,   SE [1991/43]
TitleGerman:Verfahren zur Herstellung von Polyolefinen[1991/43]
English:Process for producing polyolefins[1991/43]
French:Procédé pour la préparation de polyoléfines[1991/43]
Examination procedure17.12.1991Examination requested  [1992/08]
14.01.1994Despatch of a communication from the examining division (Time limit: M04)
19.05.1994Reply to a communication from the examining division
03.11.1994Despatch of a communication from the examining division (Time limit: M12)
13.11.1995Reply to a communication from the examining division
01.03.1996Despatch of a communication from the examining division (Time limit: M06)
04.09.1996Reply to a communication from the examining division
24.01.1997Despatch of a communication from the examining division (Time limit: M06)
24.07.1997Reply to a communication from the examining division
10.09.1997Despatch of communication of intention to grant (Approval: Yes)
18.12.1997Communication of intention to grant the patent
02.03.1998Fee for grant paid
02.03.1998Fee for publishing/printing paid
Opposition(s)02.04.1999No opposition filed within time limit [1999/25]
Fees paidRenewal fee
21.04.1993Renewal fee patent year 03
21.04.1994Renewal fee patent year 04
21.04.1995Renewal fee patent year 05
18.04.1996Renewal fee patent year 06
15.04.1997Renewal fee patent year 07
21.04.1998Renewal fee patent year 08
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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  TooltipES01.07.1998
FR01.07.1998
IT01.07.1998
SE01.10.1998
[2008/02]
Former [2006/14]ES01.07.1998
FR01.07.1998
SE01.10.1998
Former [2002/25]ES01.07.1998
SE01.10.1998
FR27.11.1998
Former [1999/29]SE01.10.1998
FR27.11.1998
Former [1999/22]FR27.11.1998
Documents cited:Search[A]EP0231878  (MITSUBISHI PETROCHEMICAL CO [JP]);
 [X]EP0250229  (AMOCO CORP [US]);
 [A]EP0261961  (MITSUBISHI PETROCHEMICAL CO [JP]);
 [X]EP0267576  (HIMONT INC [US]);
 [A]EP0340688  (UNION CARBIDE CORP [US]);
 [X]EP0350170  (MITSUI PETROCHEMICAL IND [JP]);
 [X]EP0360453  (SHELL OIL CO [US]);
 [X]EP0360491  (MITSUI PETROCHEMICAL IND [JP]);
 [A]EP0363144  (ASAHI CHEMICAL IND [JP]);
 [XP]EP0368344  (SUMITOMO CHEMICAL CO [JP]);
 [XP]EP0376084  (SUMITOMO CHEMICAL CO [JP]);
 [XP]EP0385765  (MITSUI PETROCHEMICAL IND [JP])
ExaminationUS4866022
 EP0419249
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.