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Extract from the Register of European Patents

EP About this file: EP0668271

EP0668271 - Process for the preparation of isocyanurate-group containing polyisocyanates [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 22.11.2002 Database last updated on 17.07.2024
Most recent event Tooltip	19.09.2003	Lapse of the patent in a contracting state New state(s): DK	published on 05.11.2003 [2003/45]
Applicant(s)	For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 67063 Ludwigshafen / DE
	[2002/03]
Former [1995/34]	For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 D-67063 Ludwigshafen / DE
Inventor(s)	01 / Brandt, Dr. Peter Bismarckstr. 120a D-67059 Ludwigshafen / DE
	02 / Bruchmann, Dr. Bernd Giselherstr. 79 D-67069 Ludwigshafen / DE
	03 / Laqua, Dr. Gerhard Neckarpromenade 20 D-68167 Mannheim / DE
	04 / Merger, Dr. Franz Max-Slevogt-Str. 25 D-67227 Frankenthal / DE
	05 / Otterbach, Dr. Andreas Knietschstr. 13 D-67227 Frankenthal / DE
	06 / Stiefenhöfer, Konrad Eisenberger Str. 5 D-67280 Ebertsheim / DE
	07 / Witzel, Dr. Tom Kriemhildstr. 34 D-67069 Ludwigshafen / DE
	08 / Wolff, Dr. Stefan Carl-Bosch-Str. 43 D-67117 Limburgerhof / DE
	09 / Becker, Dr. Rainer Im Haseneck 22 D-67098 Bad Dürkheim / DE
	[2002/01]
Former [1995/34]	01 / Brandt, Dr. Peter Bismarckstr. 120a D-67059 Ludwigshafen / DE
	02 / Bruchmann, Dr. Bernd Giselherstr. 79 D-67069 Ludwigshaven / DE
	03 / Laqua, Dr. Gerhard Neckarpromenade 20 D-68167 Mannheim / DE
	04 / Merger, Dr. Franz Max-Slevogt-Str. 25 D-67227 Frankenthal / DE
	05 / Otterbach, Dr. Andreas Knietschstr. 13 D-67227 Frankenthal / DE
	06 / Stiefenhöfer, Konrad Eisenberger Str. 5 D-67280 Ebertsheim / DE
	07 / Witzel, Dr. Tom Kreimhildstr. 34 D-67069 Ludwigshafen / DE
	08 / Wolff, Dr. Stefan Carl-Bosch-Str. 43 D-67117 Limburgerhof / DE
	09 / Becker, Dr. Rainer Im Haseneck 22 D-67098 Bad Dürkheim / DE
Application number, filing date	95101740.9	09.02.1995
	[1995/34]
Priority number, date	DE19944405055	17.02.1994 Original published format: DE 4405055
	[1995/34]
Filing language	DE
Procedural language	DE
Publication	Type:	A1 Application with search report
	No.:	EP0668271
	Date:	23.08.1995
	Language:	DE
	[1995/34]
	Type:	B1 Patent specification
	No.:	EP0668271
	Date:	16.01.2002
	Language:	DE
	[2002/03]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	29.03.1995
Classification	IPC:	C07D251/34, C08G18/79	[1995/34]
	CPC:	C07D251/34 (EP,US); C08G18/792 (EP,US)
Designated contracting states	AT, BE, CH, DE, DK, ES, FR, GB, IT, LI, NL, PT, SE [1995/34]
Title	German:	Verfahren zur Herstellung von Isocyanuratgruppen aufweisenden Polyisocyanaten	[1995/34]
	English:	Process for the preparation of isocyanurate-group containing polyisocyanates	[1995/34]
	French:	Procédé pour la préparation de polyisocyanates contenant des groupes isocyanurates	[1995/34]
Examination procedure	11.01.1996	Examination requested [1996/11]
	24.02.1999	Despatch of a communication from the examining division (Time limit: M04)
	07.05.1999	Reply to a communication from the examining division
	01.06.1999	Despatch of a communication from the examining division (Time limit: M04)
	14.07.1999	Reply to a communication from the examining division
	13.04.2000	Despatch of a communication from the examining division (Time limit: M04)
	03.05.2000	Reply to a communication from the examining division
	04.05.2001	Despatch of communication of intention to grant (Approval: Yes)
	09.07.2001	Communication of intention to grant the patent
	18.08.2001	Fee for grant paid
	18.08.2001	Fee for publishing/printing paid
Opposition(s)	17.10.2002	No opposition filed within time limit [2003/02]
Fees paid	Renewal fee
	25.02.1997	Renewal fee patent year 03
	02.03.1998	Renewal fee patent year 04
	24.02.1999	Renewal fee patent year 05
	23.02.2000	Renewal fee patent year 06
	20.02.2001	Renewal fee patent year 07
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.
Lapses during opposition Tooltip	DK	16.04.2002
	SE	16.04.2002
	[2003/45]
Former [2002/37]	SE	16.04.2002
Documents cited:	Search	[DA]US3703520 (CARLETON PETER S, et al) [DA] 1 * claim - *;
		[DA]DE2631733 (AIR PROD & CHEM) [DA] 1 * claim - *;
		[A]US4454317 (DISTELDORF JOSEF [DE], et al) [A] 1 * claim - *;
		[A]EP0512213 (HUELS CHEMISCHE WERKE AG [DE]) [A] 1* Seite 5, Zeile 45- Seite 6 *

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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