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EP About this file: EP1089974

EP1089974 - PROCESS TO PREPARE DIHYDROPYRIDINE AND DERIVATIVES THEREOF [Right-click to bookmark this link]
Status	The application is deemed to be withdrawn Status updated on 25.06.2004 Database last updated on 15.06.2024
Most recent event Tooltip	25.06.2004	Change or deletion - application deemed withdrawn	published on 11.08.2004 [2004/33]
Applicant(s)	For all designated states Hoechst Celanese Corporation 30 Independence Boulevard Warren, NJ 07059 / US
	[2001/15]
Inventor(s)	01 / DESAI, Ranjit 88 Eleanor Drive Kendall Park, NJ 08824 / US
	02 / AGUILAR, Daniel, Alfonso 7210 Rugged Ridge Corpus Christi, TX 78413 / US
	03 / ASLAM, Mohammad 7221 Diamond Ridge Corpus Christi, TX 78413 / US
	[2001/15]
Representative(s)	Jump, Timothy John Simon Venner Shipley LLP 200 Aldersgate London EC1A 4HD / GB
	[N/P]
Former [2001/15]	Jump, Timothy John Simon Venner Shipley & Co. 20 Little Britain London EC1A 7DH / GB
Application number, filing date	96944920.6	16.12.1996
	[2001/15]
	WO1996US20383
Priority number, date	US19950579758	28.12.1995 Original published format: US 579758
	[2001/15]
Filing language	EN
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	WO9724326
	Date:	10.07.1997
	Language:	EN
	[1997/30]
	Type:	A1 Application with search report
	No.:	EP1089974
	Date:	11.04.2001
	Language:	EN
	The application published by WIPO in one of the EPO official languages on 10.07.1997 takes the place of the publication of the European patent application.
	[2001/15]
Search report(s)	International search report - published on:	US	10.07.1997
	(Supplementary) European search report - dispatched on:	EP	12.04.2001
Classification	IPC:	C07D211/90	[2001/20]
	CPC:	C07D211/90 (EP,US)
	Former IPC [2001/15]	C07D211/86
Designated contracting states	AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE [2001/15]
Title	German:	VERFAHREN ZUR HERSTELLUNG VON DIHYDROPYRIDIN UND DERIVATEN DAVON	[2001/15]
	English:	PROCESS TO PREPARE DIHYDROPYRIDINE AND DERIVATIVES THEREOF	[2001/15]
	French:	PROCEDE DE PREPARATION DE LA DIHYDROPYRIDINE ET DE DERIVES	[2001/15]
Entry into regional phase	07.01.2000	National basic fee paid
	07.01.2000	Search fee paid
	07.01.2000	Designation fee(s) paid
	07.01.2000	Examination fee paid
Examination procedure	25.07.1997	Request for preliminary examination filed International Preliminary Examining Authority: US
	29.07.1998	Application deemed to be withdrawn, date of legal effect [1999/20]
	deleted	Deletion: Application deemed to be withdrawn, date of legal effect [2000/52]
	07.01.2000	Examination requested [2001/15]
	29.09.2003	Despatch of a communication from the examining division (Time limit: M04)
	10.02.2004	Application deemed to be withdrawn, date of legal effect [2004/33]
	15.03.2004	Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [2004/33]
Fees paid	Renewal fee
	14.04.1999	Renewal fee patent year 03
	13.12.2000	Renewal fee patent year 05
	13.12.2001	Renewal fee patent year 06
	02.01.2003	Renewal fee patent year 07
	02.01.2004	Renewal fee patent year 08
	Penalty fee
	Penalty fee Rule 85a EPC 1973
	07.01.2000	AT M01 Fee paid on 07.01.2000
	07.01.2000	BE M01 Fee paid on 07.01.2000
	07.01.2000	CH M01 Fee paid on 07.01.2000
	07.01.2000	DE M01 Fee paid on 07.01.2000
	07.01.2000	DK M01 Fee paid on 07.01.2000
	07.01.2000	ES M01 Fee paid on 07.01.2000
	07.01.2000	FI M01 Fee paid on 07.01.2000
	07.01.2000	FR M01 Fee paid on 07.01.2000
	07.01.2000	GB M01 Fee paid on 07.01.2000
	07.01.2000	GR M01 Fee paid on 07.01.2000
	07.01.2000	IE M01 Fee paid on 07.01.2000
	07.01.2000	IT M01 Fee paid on 07.01.2000
	07.01.2000	LU M01 Fee paid on 07.01.2000
	07.01.2000	MC M01 Fee paid on 07.01.2000
	07.01.2000	NL M01 Fee paid on 07.01.2000
	07.01.2000	PT M01 Fee paid on 07.01.2000
	07.01.2000	SE M01 Fee paid on 07.01.2000
	Penalty fee Rule 85b EPC 1973
	07.01.2000	M01 Fee paid on 07.01.2000
	Additional fee for renewal fee
	31.12.1998	03 M06 Fee paid on 14.04.1999
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]DE2117573 (BAYER AG) [X] 2-9,12-15 * claim 1 *;
		[X]EP0007293 (HAESSLE AB [SE]) [X] 2-9,12-15 * claim 5 *;
		[X]EP0088276 (BAYER AG [DE]) [X] 2-9,12-15 * claim 6 *;
		[X]EP0100189 (PFIZER LTD [GB], et al) [X] 2-9,12-15 * claim 10 *;
		[DX]EP0124743 (BAYER AG [DE]) [DX] 2-9,12-15 * claim 1 *;
		[DX]EP0534520 (MERCK & CO INC [US]) [DX] 2-9,12-15 * Scheme 2; page 15 *;
		ES2055652 [ ] (ELMUQUIMICA FARM SL [ES]);
		[X] - BURGOS GARCIA, CAROLINA ET AL, "Process for preparation of 3-ethyl 5-methyl 2,6-dimethyl-4-(2,3- dichlorophenyl)-1,4-dihydropyridine-3,5-dicarboxylate [felodipine]", CHEMICAL ABSTRACTS, (19950213), vol. 122, no. 7, Database accession no. 81138, XP002164009 [X] 2-9,12-15 * abstract *
		[X] - ALAJARIN, "Synthesis of Unsymmetrically Substituted 1,4-Dihydropyridines and Analogous Calcium Antagonists by Microwave Heating", SYTHESIS, (1995), vol. 4, XP000986007 [X] 2-9,12-15 * page 389 - page 391 * DOI: http://dx.doi.org/10.1055/s-1995-3933
	International search	[X]US4600778 (TELLER WERNER [DE], et al);
		[X]US5310917 (AUERBACH JOSEPH [US]);
		[X]US5403849 (SCHOHE-LOOP RUDOLF [DE], et al);
		[X] - SERRA I MACIA J, MEDINA DIEZ J, MONTSERRAT VIDAL C, "PREPARATION OF BENZYLIDENEACETYLACETATE INTERMEDIATES IN THE PREPARATION OF NIMODIPINE", Chemical Abstracts Service (C A S), (19920101), Database accession no. 116-59220P, XP002943879
		[X] - SATO YOSHINARI, "PHARMACEUTICAL 1,4-DIHYDROPYRIDINE COMPOUNDS", Chemical Abstracts Service (C A S), (19780101), Database accession no. 89-109132H, XP002943880

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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