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Extract from the Register of European Patents

EP About this file: EP0129368

EP0129368 - Process and catalyst for polyolefin density and molecular weight control [Right-click to bookmark this link]
Status	Patent maintained as amended Status updated on 15.02.2002 Database last updated on 23.04.2024
Most recent event Tooltip	12.09.2008	Change - opposition data/opponents data or that of the opponents representative	published on 15.10.2008 [2008/42]
Applicant(s)	For all designated states ExxonMobil Research and Engineering Company 1545 Route 22 East P.O. Box 900 Annandale, NJ 08801-0900 / US
	[N/P]
Former [2008/38]	For all designated states ExxonMobil Research and Engineering Company 1545 Route 22 East P.O. Box 900 Annandale NJ 08801-0900 / US
Former [2002/14]	For all designated states ExxonMobil Research and Engineering Company 1545 Route 22 East, Clinton Township Annandale, New Jersey 08801 / US
Former [2001/01]	For all designated states ExxonMobil Research and Engineering Company 1545 Route 22 East, Clinton Township Annandale, New Jersey 08801 / US
Former [1984/52]	For all designated states EXXON RESEARCH AND ENGINEERING COMPANY P.O.Box 390, 180 Park Avenue Florham Park, New Jersey 07932-0390 / US
Inventor(s)	01 / Ewen, John Alexander 16615 Kentwood Houston Texas / US
	02 / Welborn, Howard Curtis Jr. 1502 Driscoll Street Houston Texas / US
	[1984/52]
Representative(s)	Uexküll & Stolberg Partnerschaft von Patent- und Rechtsanwälten mbB Beselerstraße 4 22607 Hamburg / DE
	[N/P]
Former [1991/16]	UEXKÜLL & STOLBERG Patentanwälte Beselerstrasse 4 D-22607 Hamburg / DE
Former [1984/52]	Northover, Robert Frank ESSO Chemical Limited Esso Chemical Research Centre P.O. Box 1 Abingdon Oxfordshire, OX13 6BB / GB
Application number, filing date	84303805.0	05.06.1984
	[1984/52]
Priority number, date	US19830501688	06.06.1983 Original published format: US 501688
	[1984/52]
Filing language	EN
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	EP0129368
	Date:	27.12.1984
	Language:	EN
	[1984/52]
	Type:	B1 Patent specification
	No.:	EP0129368
	Date:	26.07.1989
	Language:	EN
	[1989/30]
	Type:	B2 New European patent specification
	No.:	EP0129368
	Date:	03.04.2002
	Language:	EN
	[2002/14]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	17.10.1984
Classification	IPC:	C08F10/00, C08F4/62	[1984/52]
	CPC:	C07F17/00 (EP); C08F10/00 (EP); C08F110/02 (EP); C08F210/16 (EP); C08F4/65912 (EP); C08F4/6592 (EP); (+) C08F4/65927 (EP) (-)
	C-Set:	C08F10/00, C08F4/63922 (EP); C08F210/16, C08F210/06, C08F2500/17, C08F2500/08 (EP)
Designated contracting states	BE, DE, FR, GB, IT, NL, SE [1984/52]
Title	German:	Verfahren und Katalysator um die Dichte und das molekulare Gewicht von Polyolefinen zu kontrollieren	[1984/52]
	English:	Process and catalyst for polyolefin density and molecular weight control	[1984/52]
	French:	Procédé et catalyseur pour contrôler la densité et le poids moléculaire de polyoléfines	[1984/52]
Examination procedure	11.06.1984	Examination requested [1984/52]
	24.10.1985	Despatch of a communication from the examining division (Time limit: M06)
	19.04.1986	Reply to a communication from the examining division
	10.02.1987	Despatch of a communication from the examining division (Time limit: M08)
	06.10.1987	Reply to a communication from the examining division
	24.11.1987	Despatch of communication of intention to grant (Approval: No)
	26.09.1988	Despatch of communication of intention to grant (Approval: later approval)
	04.10.1988	Communication of intention to grant the patent
	05.01.1989	Fee for grant paid
	05.01.1989	Fee for publishing/printing paid
Opposition(s)	Opponent(s)	01 21.04.1990 18.06.2001 WITHDRAWN TARGOR GmbH Rheinstr. 4 G 55116 Mainz / DE Opponent's representative Lederer, Franz, et al, et al Lederer & Keller Patentanwälte Unsöldstrasse 2 80538 München / DE
		02 25.04.1990 10.07.1990 ADMISSIBLE Fina Research S.A. Zone Industrielle C B-7181 Seneffe (Feluy) / BE Opponent's representative Detrait, Jean-Claude Total Petrochemicals Research Feluy Zone Industrielle C 7181 Seneffe (Feluy) / BE
		[N/P]
	Former [2008/42]
	Opponent(s)	01 21.04.1990 18.06.2001 WITHDRAWN TARGOR GmbH Rheinstr. 4 G 55116 Mainz / DE Opponent's representative Lederer, Franz, et al, et al Lederer & Keller Patentanwälte Prinzregentenstrasse 16 80538 München / DE
		02 25.04.1990 10.07.1990 ADMISSIBLE Fina Research S.A. Zone Industrielle C B-7181 Seneffe (Feluy) / BE Opponent's representative Detrait, Jean-Claude c/o Fina Research S.A. Patent Department Zone Industrielle C B-7181 Feluy / BE
	Former [1999/03]
	Opponent(s)	01 21.04.1990 10.07.1990 ADMISSIBLE Targor GmbH Rheinstr. 4G 55119 Mainz / DE Opponent's representative Lederer, Franz, Dr., et al, et al Lederer, Keller & Riederer Patentanwälte Prinzregentenstrasse 16 80538 München / DE
		02 25.04.1990 10.07.1990 ADMISSIBLE Fina Research S.A. Zone Industrielle C B-7181 Seneffe (Feluy) / BE Opponent's representative Detrait, Jean-Claude c/o Fina Research S.A. Patent Department Zone Industrielle C B-7181 Feluy / BE
	Former [1998/46]
	Opponent(s)	01 21.04.1990 10.07.1990 ADMISSIBLE TARGOR GmbH Rheinstr. 4 G 55116 Mainz / DE Opponent's representative Bieller, Vera BASF SE Global Intellectual Property GVX - C 6 67056 Ludwigshafen / DE
		02 25.04.1990 10.07.1990 ADMISSIBLE Fina Research S.A. Zone Industrielle C B-7181 Seneffe (Feluy) / BE Opponent's representative Detrait, Jean-Claude c/o Fina Research S.A. Patent Department Zone Industrielle C B-7181 Feluy / BE
	Former [1996/29]
	Opponent(s)	01 21.04.1990 10.07.1990 ADMISSIBLE HOECHST Aktiengesellschaft Zentrale Patentabteilung Postfach 80 03 20 D-65903 Frankfurt / DE Opponent's representative Lederer, Franz, et al, et al Lederer & Keller Patentanwälte Prinzregentenstrasse 16 80538 München / DE
		02 25.04.1990 10.07.1990 ADMISSIBLE Fina Research S.A. Zone Industrielle C B-7181 Seneffe (Feluy) / BE Opponent's representative Detrait, Jean-Claude c/o Fina Research S.A. Patent Department Zone Industrielle C B-7181 Feluy / BE
	Former [1990/26]
	Opponent(s)	01 21.04.1990 HOECHST Aktiengesellschaft Zentrale Patentabteilung Postfach 80 03 20 D-65903 Frankfurt / DE
		02 25.04.1990 ADMISSIBLE Fina Research S.A. Zone Industrielle C B-7181 Feluy / BE Opponent's representative Detrait, Jean-Claude c/o Fina Research S.A. Patent Department Zone Industrielle C B-7181 Feluy / BE
	Former [1990/25]
	Opponent(s)	01 21.04.1990 HOECHST Aktiengesellschaft Zentrale Patentabteilung Postfach 80 03 20 D-65903 Frankfurt / DE
	12.07.1990	Invitation to proprietor to file observations on the notice of opposition
	21.01.1991	Reply of patent proprietor to notice(s) of opposition
	09.06.1992	Date of oral proceedings
	29.06.1992	Despatch of a communication from the opposition division (Time limit: M04)
	29.06.1992	Despatch of minutes of oral proceedings
	23.10.1992	Reply to a communication from the opposition division
	30.11.1992	Communication of observations of patent proprietor (Time limit: M04)
	13.04.1993	Reply of parties involved to observations of patent proprietor
	10.11.1993	Despatch of a communication from the opposition division (Time limit: M06)
	19.05.1994	Reply to a communication from the opposition division
	22.11.1994	Despatch of a communication from the opposition division (Time limit: M04)
	25.01.1995	Reply to a communication from the opposition division
	05.10.1995	Despatch of a communication from the opposition division (Time limit: M12)
	15.10.1996	Reply to a communication from the opposition division
	03.03.1997	Despatch of a communication from the opposition division (Time limit: M04)
	14.07.1997	Reply to a communication from the opposition division
	15.04.1999	Date of oral proceedings
	13.07.1999	Despatch of interlocutory decision in opposition
	13.07.1999	Despatch of minutes of oral proceedings
	21.06.2001	Legal effect of interlocutory decision in opposition
	05.10.2001	Despatch of communication that the patent will be maintained as amended
	15.01.2002	Fee for printing new specification paid
Appeal following opposition	23.07.1999	Appeal received No. T0314/99
	23.11.1999	Statement of grounds filed
	21.06.2001	Result of appeal procedure: appeal of the proprietor was rejected
	21.06.2001	Date of oral proceedings
	04.07.2001	Minutes of the oral proceedings despatched
Fees paid	Renewal fee
	04.04.1986	Renewal fee patent year 03
	27.03.1987	Renewal fee patent year 04
	21.03.1988	Renewal fee patent year 05
	14.03.1989	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	[X]EP0069951 ;
		[XD]EP0035242 ;
		[X]US3161629 (GORSICH RICHARD D);
		[X]FR2072484 (BAYER AG);
		[XD]DE2608933 (BASF AG);
		[XD]DE2608863 (BASF AG)
		[X] - DIE MAKROMOLEKULARE CHEMIE, vol. 182, no. 4, April 16, 1981 HEIDELBERG (DE) J. CIHL[R et al.: "Polymerization of Ethylene Catalyzed by Titanocene Systems, 2a, Catalytic Systems CP2 TiRCI/Oxyaluminium Compounds", pages 1127-113

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.

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