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EP1779852

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EP About this file: EP1779852

EP1779852 - PROCESSES FOR THE PRODUCTION OF SILDENAFIL BASE AND CITRATE SALT [Right-click to bookmark this link]
Former [2007/18]	Methods for the production of sildenafil base and citrate salt
	[2007/19]
Status	The application is deemed to be withdrawn Status updated on 23.09.2011 Database last updated on 05.04.2025
Most recent event Tooltip	23.09.2011	Application deemed to be withdrawn	published on 26.10.2011 [2011/43]
Applicant(s)	For all designated states TEVA PHARMACEUTICAL INDUSTRIES, LTD. 5 Basel Street, P.O. Box 3190 49131 Petah Tiqva / IL
	[N/P]
Former [2007/18]	For all designated states TEVA PHARMACEUTICAL INDUSTRIES LTD. 5 Basel Street, P.O. Box 3190 49131 Petah Tiqva / IL
Inventor(s)	01 / Braude, Viviana Haharuv Street 19 60920, Kadima / IL
	02 / Aronhime, Judith Rehov Harav Maor Iosef 5a 76217, Rehovot / IL
	03 / Shabat, Shalom Marganit Street 3 Yavne / IL
	[2007/18]
Representative(s)	Eder, Michael df-mp Patentanwälte Rechtsanwälte PartG mbB Theatinerstraße 16 80333 München / DE
	[N/P]
Former [2007/18]	Eder, Michael Dörries, Frank-Molnia & Pohlman, Triftstrasse 13 80538 München / DE
Application number, filing date	07101908.7	05.01.2005
	[2007/18]
Priority number, date	US20040534527P	05.01.2004 Original published format: US 534527 P
	US20040547232P	23.02.2004 Original published format: US 547232 P
	US20040549268P	01.03.2004 Original published format: US 549268 P
	[2007/18]
Filing language	EN
Procedural language	EN
Publication	Type:	A2 Application without search report
	No.:	EP1779852
	Date:	02.05.2007
	Language:	EN
	[2007/18]
	Type:	A3 Search report
	No.:	EP1779852
	Date:	09.05.2007
	[2007/19]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	05.04.2007
Classification	IPC:	A61K31/519, A61P15/10, C07D487/04	[2007/19]
	CPC:	A61K31/519 (EP); A61P15/10 (EP); C07D487/04 (EP)
	Former IPC [2007/18]	A61K31/519
Designated contracting states	AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LI, LT, LU, MC, NL, PL, PT, RO, SE, SI, SK, TR [2007/18]
Title	German:	PROZESSE ZUR HERSTELLUNG VON SILDENAFIL-BASE UND ZITRATSALZ	[2007/19]
	English:	PROCESSES FOR THE PRODUCTION OF SILDENAFIL BASE AND CITRATE SALT	[2007/19]
	French:	PROCEDES DE FABRICATION DE SILDENAFIL BASE ET DE SON SEL CITRATE	[2007/19]
	Former [2007/18]	Verfahren zur Herstellung von Sildenafil-Base und Zitratsalz
	Former [2007/18]	Methods for the production of sildenafil base and citrate salt
	Former [2007/18]	Procédés de production d'une base de sildenafil et de sel de citrate
Examination procedure	08.11.2007	Examination requested [2007/51]
	13.12.2007	Despatch of a communication from the examining division (Time limit: M06)
	23.06.2008	Reply to a communication from the examining division
	20.08.2008	Observations by third parties
	21.12.2010	Despatch of a communication from the examining division (Time limit: M04)
	03.05.2011	Application deemed to be withdrawn, date of legal effect [2011/43]
	09.06.2011	Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [2011/43]
Parent application(s) Tooltip	EP05705020.5 / EP1633364
Divisional application(s)	The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued (EP20050705020) is 10.05.2006
Fees paid	Renewal fee
	07.02.2007	Renewal fee patent year 03
	14.01.2008	Renewal fee patent year 04
	25.03.2008	Renewal fee patent year 05
	22.01.2010	Renewal fee patent year 06
	Penalty fee
	Additional fee for renewal fee
	31.01.2011	07 M06 Not yet paid
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	[Y]EP0463756 (PFIZER LTD [GB], et al) [Y] 12-15,18-26 * page 4, line 30 - page 5, line 1; example 12 *;
		[A]EP0812845 (PFIZER LTD [GB], et al) [A] 15-26 * (IV) --> (V); page 5 *;
		[Y]WO9849166 (PFIZER LTD [GB], et al) [Y] 12-15,18-26 * Examples; page 8, line 8 - line 10; claim 20 *;
		[X]US2002013464 (DUNN PETER JAMES [GB], et al) [X] 12-26 * paragraph [0074]; example 3d *;
		[Y]WO02102802 (KOREA INST SCI & TECH [KR], et al) [Y] 12-15,18-26 * page 7, line 1 - line 11 *;
		[PX]WO2004072079 (PFIZER LTD [GB], et al) [PX] 1-11* claims 1-12 *;
		[X] - ADMOUR I M ET AL, "SOLID MODIFACTIONS IN SILDENAFIL CITRATE", WORLD MEETING APV/APGI, (20000403), pages 639 - 640, XP001180790 [X] 1-11,27-34 * the whole document *
		[T] - DUNN P J, "SYNTHESIS OF COMMERCIAL PHOSPHODIESTERASE(V) INHIBITORS", ORGANIC PROCESS RESEARCH AND DEVELOPMENT, CAMBRIDGE, GB, (20050601), vol. 9, no. 1, pages 88 - 97, XP009052967 [T] 1-11,27-34 * Scheme 1 *
		[X] - SHENYANG YAOKE DAXUE XUEBAO - SHENYANG PHARMACEUTICAL UNIVERSITY.JOURNAL, LIAONING,, CN, (200205), vol. 19, no. 3, ISSN 1006-2858, pages 173 - 175, XP001206087 [X] 1-11,27-34 * figure 1 *
	other	- "Biopharmaceutics - Principles of pharmaceutical processing", LACHMAN L. ET AL, The Theory and practice of industrial Pharmacy, PHILADELPHIA, LEA & FEBRIGER, (1970), pages 1, 251 - 252, ISBN 8121-0148-0, XP003023310

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