Deutsch English Français

Contact

EP0492656

European procedure

Quick help

Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...

News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...

Extract from the Register of European Patents

EP About this file: EP0492656

EP0492656 - Polyethylene composition [Right-click to bookmark this link]
Status	Patent revoked Status updated on 12.11.2004 Database last updated on 29.03.2025
Most recent event Tooltip	05.10.2005	Change: Appeal number
Applicant(s)	For all designated states NIPPON PETROCHEMICALS COMPANY, LIMITED 3-1, Uchisaiwaicho 1-chome Chiyoda-ku Tokyo / JP
	[N/P]
Former [1992/27]	For all designated states NIPPON PETROCHEMICALS COMPANY, LIMITED 3-1, Uchisaiwaicho 1-chome Chiyoda-ku Tokyo / JP
Inventor(s)	01 / Morimoto, Toshifumi 3-35-2, Ohkubo, Konan-ku Yokohama-shi, Kanagawa-ken / JP
	02 / Hattori, Takaaki 10-2, Yawata Genji Gaito Yawata-shi, Kyoto / JP
	03 / Ikegami, Noboru 374-8, Hamanogo Chigasaki-shi, Kanagawa-ken / JP
	04 / Nishibu, Hirofumi 3-4-2, Ohkubo, Konan-ku Yokohama-shi, Kanagawa-ken / JP
	05 / Miyauchi, Toshiyuki 89-1, Tajiri-cho, Nakahara-ku Kawasaki-shi, Kanagawa-ken / JP
	06 / Kubo, Kunimichi 1-7-17, Yagumo, Meguro-ku Tokyo / JP
	[1997/31]
Former [1992/27]	01 / Morimoto, Toshifumi 3-35-2, Ohkubo, Konan-ku Yokohama-shi, Kanagawa-ken / JP
	02 / Hattori, Takaaki 10-2, Yawata GenjiGaito Yawata-shi, Kyoto / JP
	03 / Ikegami, Noboru 374-8, Hamanogo Chigasaki-shi, Kanagawa-ken / JP
	04 / Nishibu, Hirofumi 3-4-2, Ohkubo, Konan-ku Yokohama-shi, Kanagawa-ken / JP
	05 / Miyauchi, Toshiyuki 89-1, Tajiri-cho, Nakahara-ku Kawasaki-shi, Kanagawa-ken / JP
	06 / Kubo, Kunimichi 1-7-17, Yagumo, Meguro-ku Tokyo / JP
Representative(s)	Strehl & Partner mbB Maximilianstrasse 54 80538 München / DE
	[N/P]
Former [1992/27]	Strehl Schübel-Hopf Groening & Partner Maximilianstrasse 54 D-80538 München / DE
Application number, filing date	91122310.5	27.12.1991
	[1992/27]
Priority number, date	JP19900418497	28.12.1990 Original published format: JP 41849790
	[1992/27]
Filing language	EN
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	EP0492656
	Date:	01.07.1992
	Language:	EN
	[1992/27]
	Type:	B1 Patent specification
	No.:	EP0492656
	Date:	30.07.1997
	Language:	EN
	[1997/31]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	12.05.1992
Classification	IPC:	C08L23/04, C08L23/06	[1992/27]
	CPC:	C08L23/0815 (EP,US); C08L2205/02 (EP,US)
	C-Set:	C08L23/0815, C08L2666/06 (EP,US)
Designated contracting states	DE, GB [1992/27]
Title	German:	Polyäthylen-Zusammensetzung	[1992/27]
	English:	Polyethylene composition	[1992/27]
	French:	Composition de polyéthylène	[1992/27]
Examination procedure	23.12.1992	Examination requested [1993/08]
	07.07.1993	Despatch of a communication from the examining division (Time limit: M04)
	08.07.1993	Despatch of a communication from the examining division (Time limit: M06)
	11.01.1994	Reply to a communication from the examining division
	19.05.1994	Despatch of a communication from the examining division (Time limit: M06)
	23.11.1994	Reply to a communication from the examining division
	23.08.1995	Despatch of a communication from the examining division (Time limit: M04)
	02.01.1996	Reply to a communication from the examining division
	30.07.1996	Despatch of communication of intention to grant (Approval: No)
	22.01.1997	Despatch of communication of intention to grant (Approval: later approval)
	28.01.1997	Communication of intention to grant the patent
	06.05.1997	Fee for grant paid
	06.05.1997	Fee for publishing/printing paid
Opposition(s)	Opponent(s)	01 21.04.1998 19.05.1998 ADMISSIBLE Basell Polyolefine GmbH Industriepark Höchst 65926 Frankfurt / DE
		02 30.04.1998 12.05.1998 ADMISSIBLE BOREALIS A/S Lyngby Hovedgade 96 DK - 2800 LYNGBY / DK Opponent's representative Cockbain, Julian, et al, et al Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD / GB
		[N/P]
	Former [2001/14]
	Opponent(s)	01 21.04.1998 19.05.1998 ADMISSIBLE Basell Polyolefine GmbH Industriepark Höchst 65926 Frankfurt / DE
		02 30.04.1998 12.05.1998 ADMISSIBLE BOREALIS A/S Lyngby Hovedgade 96 DK - 2800 LYNGBY / DK Opponent's representative Cockbain, Julian, Dr., et al, et al Frank B. Dehn & Co., European Patent Attorneys, 179 Queen Victoria Street London EC4V 4EL / GB
	Former [2000/10]
	Opponent(s)	01 21.04.1998 19.05.1998 ADMISSIBLE Elenac GmbH Industriepark Höchst Gebäude E 413 65926 Frankfurt/Main / DE
		02 30.04.1998 12.05.1998 ADMISSIBLE BOREALIS A/S Lyngby Hovedgade 96 DK - 2800 LYNGBY / DK Opponent's representative Cockbain, Julian, Dr., et al, et al Frank B. Dehn & Co., European Patent Attorneys, 179 Queen Victoria Street London EC4V 4EL / GB
	Former [1998/26]
	Opponent(s)	01 21.04.1998 Hostalen Polyethylen GmbH Patentstelle Gebäude E 413 65926 Frankfurt/M. / DE
		02 30.04.1998 ADMISSIBLE BOREALIS A/S Lyngby Hovedgade 96 DK - 2800 LYNGBY / DK Opponent's representative Cockbain, Julian, et al, et al Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD / GB
	Former [1998/25]
	Opponent(s)	01 21.04.1998 Hostalen Polyethylen GmbH Patentstelle Gebäude E 413 65926 Frankfurt/M. / DE
	23.06.1998	Invitation to proprietor to file observations on the notice of opposition
	02.11.1998	Reply of patent proprietor to notice(s) of opposition
	10.04.2001	Date of oral proceedings
	13.08.2001	Despatch of minutes of oral proceedings
	13.08.2001	Despatch of communication that the patent will be revoked
	02.09.2004	Legal effect of revocation of patent [2004/53]
Appeal following opposition	19.10.2001	Appeal received No. T1146/01
	20.12.2001	Statement of grounds filed
	02.09.2004	Result of appeal procedure: appeal of the proprietor was rejected
	02.09.2004	Date of oral proceedings
	09.09.2004	Minutes of the oral proceedings despatched
Fees paid	Renewal fee
	20.12.1993	Renewal fee patent year 03
	19.12.1994	Renewal fee patent year 04
	20.12.1995	Renewal fee patent year 05
	20.12.1996	Renewal fee patent year 06
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.
Documents cited:	Search	[XD]EP0057891 (SUMITOMO CHEMICAL CO [JP]);
		[XP]EP0423962 (NIPPON PETROCHEMICALS CO LTD [JP]);
		[XP]EP0435624 (MOBIL OIL CORP [US]);
		[A]EP0351189 (SUMITOMO CHEMICAL CO [JP])

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.

Legal notice
Terms of use
24.2.32; 35p