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Extract from the Register of European Patents

EP About this file: EP0582480

EP0582480 - Olefin polymerization catalyst and method for the polymerization of olefin using said polymerization catalyst [Right-click to bookmark this link]
StatusOpposition rejected
Status updated on  12.03.2010
Database last updated on 12.07.2024
Most recent event   Tooltip12.03.2010Opposition rejectedpublished on 14.04.2010  [2010/15]
Applicant(s)For all designated states
Mitsui Chemicals, Inc.
5-2, Higashi-Shimbashi 1-Chome Minato-ku
Tokyo / JP
[N/P]
Former [2004/49]For all designated states
MITSUI CHEMICALS, INC.
5-2, Higashi-Shimbashi 1-Chome Minato-ku
Tokyo / JP
Former [1998/22]For all designated states
MITSUI CHEMICALS, INC.
2-5, Kasumigaseki 3-chome, Chiyoda-ku
Tokyo / JP
Former [1994/06]For all designated states
MITSUI PETROCHEMICAL INDUSTRIES, LTD.
2-5, Kasumigaseki 3-chome Chiyoda-ku
Tokyo 100 / JP
Inventor(s)01 / Ohno, Ryosuke, c/o Mitsui Petrochemical
Industries, Ltd., 3, Chigusa-Kaigan
Ichihara-shi, Chiba 299-01 / JP
02 / Tsutsui, Toshiyuki, c/o Mitsui Petrochemical
Industries, Ltd., 3, Chigusa-Kaigan
Ichihara-shi, Chiba 299-01 / JP
[1994/06]
Representative(s)Cresswell, Thomas Anthony, et al
J.A. Kemp & Co.
14 South Square
Gray's Inn
London
WC1R 5JJ / GB
[N/P]
Former [1995/31]Cresswell, Thomas Anthony, et al
J.A. KEMP & CO. 14 South Square Gray's Inn
London WC1R 5LX / GB
Former [1994/06]Myerscough, Philip Boyd
J.A. KEMP & CO. 14 South Square Gray's Inn
London WC1R 5LX / GB
Application number, filing date93306210.105.08.1993
[1994/06]
Priority number, dateJP1992021040806.08.1992         Original published format: JP 21040892
JP1993017125617.06.1993         Original published format: JP 17125693
[1994/06]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0582480
Date:09.02.1994
Language:EN
[1994/06]
Type: A3 Search report 
No.:EP0582480
Date:23.03.1994
Language:EN
[1994/12]
Type: B1 Patent specification 
No.:EP0582480
Date:14.11.2001
Language:EN
[2001/46]
Search report(s)(Supplementary) European search report - dispatched on:EP01.02.1994
ClassificationIPC:C08F4/602, C08F10/00
[1994/06]
CPC:
C08F10/00 (EP,KR,US); C08F4/65922 (EP,KR,US); C08F4/65908 (KR);
C08F4/65912 (EP,KR,US); C08F4/65916 (EP,US); Y10S526/904 (EP,KR,US)
C-Set:
C08F10/00, C08F4/6428 (EP,US);
C08F10/00, C08F4/65912 (US,EP)
Designated contracting statesBE,   DE,   ES,   FR,   GB,   IT,   NL [1994/06]
TitleGerman:Olefinpolymerisationskatalysatoren und diese verwendendes Olefinpolymerisationsverfahren[1994/06]
English:Olefin polymerization catalyst and method for the polymerization of olefin using said polymerization catalyst[1994/06]
French:Catalyseurs pour le polymérisation d'oléfines et procédé de polymérisation d'oléfines mettant en oeuvre lesdit catalyseurs[1994/06]
Examination procedure16.09.1994Examination requested  [1994/45]
09.05.1997Despatch of a communication from the examining division (Time limit: M06)
14.11.1997Reply to a communication from the examining division
28.04.1998Despatch of a communication from the examining division (Time limit: M06)
08.11.1998Reply to a communication from the examining division
25.05.1999Despatch of a communication from the examining division (Time limit: M04)
22.09.1999Reply to a communication from the examining division
22.12.2000Despatch of communication of intention to grant (Approval: Yes)
23.03.2001Communication of intention to grant the patent
28.05.2001Fee for grant paid
28.05.2001Fee for publishing/printing paid
Opposition(s)Opponent(s)01  14.08.2002  10.10.2002  ADMISSIBLE
Basell Polyolefine GmbH Intellectual Property
Industriepark Hoechst - E 413
65926 Frankfurt / DE
 [N/P]
Former [2005/48]
Opponent(s)01  14.08.2002  10.10.2002  ADMISSIBLE
Basell Polyolefine GmbH Intellectual Property
Industriepark Hoechst - E 413
65926 Frankfurt / DE
Former [2002/47]
Opponent(s)01  14.08.2002   
Basell Polyolefine GmbH
Carl-Bosch-str. 38, C6
67056 Ludwigshafen / DE
15.08.2002No opposition filed within time limit [2002/45]
17.10.2002Invitation to proprietor to file observations on the notice of opposition
20.11.2002Deletion: No opposition filed within time limit [2002/47]
12.06.2003Reply of patent proprietor to notice(s) of opposition
26.04.2005Date of oral proceedings
07.07.2005Despatch of minutes of oral proceedings
07.07.2005Despatch of communication that the patent will be revoked
01.07.2008Despatch of a communication from the opposition division (Time limit: M06)
12.01.2009Reply to a communication from the opposition division
23.10.2009Cancellation of oral proceeding that was planned for 28.10.2009
28.10.2009Date of oral proceedings
23.11.2009Date of despatch of rejection of opposition
03.12.2009Legal effect of rejection of opposition [2010/15]
Appeal following opposition11.08.2005Appeal received No.  T1103/05
15.11.2005Statement of grounds filed
17.10.2007Result of appeal procedure: continuation of opposition procedure
17.10.2007Date of oral proceedings
23.10.2007Minutes of the oral proceedings despatched
Fees paidRenewal fee
09.08.1995Renewal fee patent year 03
10.08.1996Renewal fee patent year 04
08.08.1997Renewal fee patent year 05
10.08.1998Renewal fee patent year 06
11.08.1999Renewal fee patent year 07
16.08.2000Renewal fee patent year 08
14.08.2001Renewal fee patent year 09
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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  TooltipES30.05.2002
[2007/34]
Former [2006/14]ES30.05.2002
Former [2005/51]ES30.05.2002
Former [2005/46]ES30.05.2002
Former [2004/04]ES30.05.2002
Documents cited:Search[X]JPH02252705  ;
 [X]EP0294942  (MITSUI PETROCHEMICAL IND [JP]) [X] 1-6 * page 5, line 28 - line 32; claim 1 *;
 [PX]EP0553757  (HOECHST AG [DE]) [PX] 1* example 10; claim 1 *
 [X]  - PATENT ABSTRACTS OF JAPAN, (19901221), vol. 14, no. 578, Database accession no. (C - 791)<4521>, & JP02252705 A 19901011 (IDEMITSU KOSAN CO LTD) [X] 1 * abstract *
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.