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Extract from the Register of European Patents

EP About this file: EP0515132

EP0515132 - Olefin polymerization catalyst and olefin polymerization [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  11.07.2003
Database last updated on 29.07.2024
Most recent event   Tooltip11.07.2003Patent maintained (B2 publication)published on 27.08.2003  [2003/35]
Applicant(s)For all designated states
MITSUI CHEMICALS, INC.
2-5, Kasumigaseki 3-chome, Chiyoda-ku
Tokyo / JP
[N/P]
Former [1998/33]For all designated states
MITSUI CHEMICALS, INC.
2-5, Kasumigaseki 3-chome, Chiyoda-ku
Tokyo / JP
Former [1998/20]For all designated states
Mitsui Chemicals, Inc.
2-5, Kasumigaseki 3-chome, Chiyoda-ku
Tokyo / JP
Former [1992/48]For all designated states
MITSUI PETROCHEMICAL INDUSTRIES, LTD.
2-5, Kasumigaseki 3-chome Chiyoda-ku
Tokyo / JP
Inventor(s)01 / Ueda, Takashi, c/o MITSUI PETROCHEM. IND., LTD.
1-2 Waki 6-chome, Waki-cho
Kuga-gun, Yamaguchi 740 / JP
02 / Okawa, Kazunori, c/o MITSUI PETROCHEM. IND., LTD.
1-2 Waki 6-chome, Waki-cho
Kuga-gun, Yamaguchi 740 / JP
[1992/48]
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 [1992/48]Myerscough, Philip Boyd
J.A. KEMP & CO. 14 South Square Gray's Inn
London WC1R 5LX / GB
Application number, filing date92304497.819.05.1992
[1992/48]
Priority number, dateJP1991011445020.05.1991         Original published format: JP 11445091
JP1991011445120.05.1991         Original published format: JP 11445191
JP1992000596216.01.1992         Original published format: JP 596292
JP1992000596316.01.1992         Original published format: JP 596392
[1992/48]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0515132
Date:25.11.1992
Language:EN
[1992/48]
Type: A3 Search report 
No.:EP0515132
Date:27.01.1993
Language:EN
[1993/04]
Type: B1 Patent specification 
No.:EP0515132
Date:12.08.1998
Language:EN
[1998/33]
Type: B2 New European patent specification 
No.:EP0515132
Date:27.08.2003
Language:EN
[2003/35]
Search report(s)(Supplementary) European search report - dispatched on:EP07.12.1992
ClassificationIPC:C08F10/00, C08F4/02, C08F4/602
[1993/04]
CPC:
C08F10/00 (EP,US); C08F210/16 (EP,US); C08F110/02 (EP,US);
C08F4/65904 (EP,US); C08F4/65912 (EP,US); C08F4/65916 (EP,US);
C08F4/6592 (EP,US); Y10S526/904 (EP,US); Y10S526/943 (EP,US) (-)
C-Set:
C08F10/00, C08F4/65916 (EP,US);
C08F110/02, C08F2500/12, C08F2500/11 (US,EP);
C08F210/16, C08F210/08, C08F2500/12, C08F2500/11 (US,EP)
Former IPC [1992/48]C08F4/602, C08F10/00, C08F4/02
Designated contracting statesDE,   FR,   GB,   IT,   NL [1992/48]
TitleGerman:Katalysator und Verfahren für Olefinpolymerisation[1992/48]
English:Olefin polymerization catalyst and olefin polymerization[1992/48]
French:Catalyseur et procédé de polymérisation d'oléfine[1992/48]
Examination procedure05.02.1993Examination requested  [1993/14]
23.01.1995Despatch of a communication from the examining division (Time limit: M06)
29.07.1995Reply to a communication from the examining division
15.12.1995Despatch of a communication from the examining division (Time limit: M06)
30.05.1996Reply to a communication from the examining division
26.11.1996Despatch of a communication from the examining division (Time limit: M04)
13.03.1997Reply to a communication from the examining division
24.07.1997Despatch of communication of intention to grant (Approval: Yes)
07.10.1997Communication of intention to grant the patent
09.01.1998Fee for grant paid
09.01.1998Fee for publishing/printing paid
Opposition(s)Opponent(s)01  06.05.1999  15.06.1999  ADMISSIBLE
Basell Polyolefine GmbH
Intellectual Property - F206
67056 Ludwigshafen / DE
 [2002/49]
Former [2001/13]
Opponent(s)01  06.05.1999  15.06.1999  ADMISSIBLE
Basell Polypropylen GmbH c/o BASF AG
Patente, Marken und Lizenzen - C6
67056 Ludwigshafen / DE
Former [1999/26]
Opponent(s)01  06.05.1999  15.06.1999  ADMISSIBLE
TARGOR GmbH
Rheinstr. 4 G
55116 Mainz / DE
Opponent's representative
Hinkelmann, Klaus, Dr.
BASF Aktiengesellschaft Patente, Marken & Lizenzen ZDX/T - C6
67056 Ludwigshafen / DE
18.06.1999Invitation to proprietor to file observations on the notice of opposition
26.05.2000Reply of patent proprietor to notice(s) of opposition
27.09.2000Despatch of a communication from the opposition division (Time limit: M06)
29.03.2001Reply to a communication from the opposition division
04.12.2002Legal effect of interlocutory decision in opposition
04.12.2002Date of oral proceedings
12.12.2002Despatch of interlocutory decision in opposition
12.12.2002Despatch of minutes of oral proceedings
31.03.2003Despatch of communication that the patent will be maintained as amended
26.06.2003Fee for printing new specification paid
Fees paidRenewal fee
09.05.1994Renewal fee patent year 03
12.04.1995Renewal fee patent year 04
09.05.1996Renewal fee patent year 05
12.05.1997Renewal fee patent year 06
11.05.1998Renewal fee patent year 07
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Documents cited:Search[A]EP0368644  (EXXON CHEMICAL PATENTS INC [US]);
 [A]EP0206794  (EXXON CHEMICAL PATENTS INC [US])
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.