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Extract from the Register of European Patents

EP About this file: EP1569940

EP1569940 - SINGLE POT CONVERSION OF ARTEMISININ TO ARTESUNIC ACID [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 27.07.2007 Database last updated on 03.09.2024
Most recent event Tooltip	12.12.2008	Lapse of the patent in a contracting state New state(s): CY	published on 14.01.2009 [2009/03]
Applicant(s)	For all designated states Council of Scientific and Industrial Research Rafi Marg New Delhi 110 001 / IN
	[N/P]
Former [2006/38]	For all designated states COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH Rafi Marg New Delhi 110 001 / IN
Former [2005/36]	For all designated states COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH Rafi Marg New Delhi 110 001 / IN
Inventor(s)	01 / BHAKUNI, Rajendra Singh Central Institute of Medicinal and Aromatic Plants P.O. CIMAP 226 015 Lucknow / IN
	02 / KAHOL, Atul Prakash Central Institute of Medicinal and Aromatic Plants P.O. CIMAP 226 015 Lucknow / IN
	03 / SINGH, Tarun Central Institute of Medicinal and Aromatic Plants P.O. CIMAP 226 015 Lucknow / IN
	04 / KHANUJA, Suman Preet Singh Central Institute of Medicinal and Aromatic Plants P.O. CIMAP 226 015 Lucknow / IN
	[2005/36]
Representative(s)	Engelhard, Markus Boehmert & Boehmert Anwaltspartnerschaft mbB Pettenkoferstrasse 22 80336 München / DE
	[N/P]
Former [2005/36]	Engelhard, Markus Forrester & Boehmert Pettenkoferstrasse 20-22 80336 München / DE
Application number, filing date	02783466.2	02.12.2002
	[2005/36]
	WO2002IB05063
Filing language	EN
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	WO2004050661
	Date:	17.06.2004
	Language:	EN
	[2004/25]
	Type:	A1 Application with search report
	No.:	EP1569940
	Date:	07.09.2005
	Language:	EN
	The application published by WIPO in one of the EPO official languages on 17.06.2004 takes the place of the publication of the European patent application.
	[2005/36]
	Type:	B1 Patent specification
	No.:	EP1569940
	Date:	20.09.2006
	Language:	EN
	[2006/38]
Search report(s)	International search report - published on:	EP	17.06.2004
Classification	IPC:	C07D493/20	[2005/36]
	CPC:	C07D493/18 (EP); A61P33/06 (EP)
Designated contracting states	AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE, SI, SK, TR [2005/36]
Extension states	AL	Not yet paid
	LT	Not yet paid
	LV	Not yet paid
	MK	Not yet paid
	RO	Not yet paid
Title	German:	EINTOPFVERFAHREN ZUR HERSTELLUNG VON ARTESUNSÄURE AUS ARTEMISININ	[2005/36]
	English:	SINGLE POT CONVERSION OF ARTEMISININ TO ARTESUNIC ACID	[2005/36]
	French:	CONVERSION D'ARTEMISININE EN ACIDE ARTESUNIQUE DANS UN RECIPIENT UNIQUE	[2005/36]
Entry into regional phase	29.06.2005	National basic fee paid
	29.06.2005	Designation fee(s) paid
	29.06.2005	Examination fee paid
Examination procedure	01.07.2004	Request for preliminary examination filed International Preliminary Examining Authority: EP
	29.06.2005	Examination requested [2005/36]
	19.05.2006	Communication of intention to grant the patent
	24.07.2006	Fee for grant paid
	24.07.2006	Fee for publishing/printing paid
Opposition(s)	21.06.2007	No opposition filed within time limit [2007/35]
Fees paid	Renewal fee
	29.06.2005	Renewal fee patent year 03
	19.08.2005	Renewal fee patent year 04
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	AT	20.09.2006
	BE	20.09.2006
	CY	20.09.2006
	CZ	20.09.2006
	EE	20.09.2006
	FI	20.09.2006
	IT	20.09.2006
	SI	20.09.2006
	SK	20.09.2006
	TR	20.09.2006
	LU	02.12.2006
	IE	04.12.2006
	BG	20.12.2006
	DK	20.12.2006
	SE	20.12.2006
	DE	21.12.2006
	GR	21.12.2006
	ES	31.12.2006
	MC	31.12.2006
	PT	12.03.2007
	[2009/03]
Former [2008/37]	AT	20.09.2006
	BE	20.09.2006
	CZ	20.09.2006
	EE	20.09.2006
	FI	20.09.2006
	IT	20.09.2006
	SI	20.09.2006
	SK	20.09.2006
	TR	20.09.2006
	LU	02.12.2006
	IE	04.12.2006
	BG	20.12.2006
	DK	20.12.2006
	SE	20.12.2006
	DE	21.12.2006
	GR	21.12.2006
	ES	31.12.2006
	MC	31.12.2006
	PT	12.03.2007
Former [2008/28]	AT	20.09.2006
	BE	20.09.2006
	CZ	20.09.2006
	EE	20.09.2006
	FI	20.09.2006
	IT	20.09.2006
	SI	20.09.2006
	SK	20.09.2006
	IE	04.12.2006
	BG	20.12.2006
	DK	20.12.2006
	SE	20.12.2006
	DE	21.12.2006
	GR	21.12.2006
	ES	31.12.2006
	MC	31.12.2006
	PT	12.03.2007
Former [2008/21]	AT	20.09.2006
	BE	20.09.2006
	CZ	20.09.2006
	FI	20.09.2006
	IT	20.09.2006
	SI	20.09.2006
	SK	20.09.2006
	IE	04.12.2006
	BG	20.12.2006
	DK	20.12.2006
	SE	20.12.2006
	DE	21.12.2006
	GR	21.12.2006
	ES	31.12.2006
	MC	31.12.2006
	PT	12.03.2007
Former [2007/49]	AT	20.09.2006
	BE	20.09.2006
	CZ	20.09.2006
	FI	20.09.2006
	IT	20.09.2006
	SI	20.09.2006
	SK	20.09.2006
	IE	04.12.2006
	BG	20.12.2006
	DK	20.12.2006
	SE	20.12.2006
	DE	21.12.2006
	ES	31.12.2006
	MC	31.12.2006
	PT	12.03.2007
Former [2007/39]	AT	20.09.2006
	BE	20.09.2006
	CZ	20.09.2006
	FI	20.09.2006
	IT	20.09.2006
	SI	20.09.2006
	SK	20.09.2006
	BG	20.12.2006
	DK	20.12.2006
	SE	20.12.2006
	DE	21.12.2006
	ES	31.12.2006
	MC	31.12.2006
	PT	12.03.2007
Former [2007/35]	AT	20.09.2006
	BE	20.09.2006
	CZ	20.09.2006
	FI	20.09.2006
	IT	20.09.2006
	SI	20.09.2006
	SK	20.09.2006
	BG	20.12.2006
	SE	20.12.2006
	ES	31.12.2006
	PT	12.03.2007
Former [2007/28]	AT	20.09.2006
	BE	20.09.2006
	CZ	20.09.2006
	FI	20.09.2006
	SI	20.09.2006
	SK	20.09.2006
	BG	20.12.2006
	SE	20.12.2006
	ES	31.12.2006
	PT	12.03.2007
Former [2007/27]	AT	20.09.2006
	CZ	20.09.2006
	FI	20.09.2006
	SI	20.09.2006
	SK	20.09.2006
	BG	20.12.2006
	SE	20.12.2006
	ES	31.12.2006
	PT	12.03.2007
Former [2007/22]	CZ	20.09.2006
	FI	20.09.2006
	SI	20.09.2006
	BG	20.12.2006
	SE	20.12.2006
	ES	31.12.2006
Former [2007/21]	FI	20.09.2006
	SI	20.09.2006
	BG	20.12.2006
	SE	20.12.2006
	ES	31.12.2006
Former [2007/12]	FI	20.09.2006
	SI	20.09.2006
	BG	20.12.2006
	SE	20.12.2006
Former [2007/11]	FI	20.09.2006
	SE	20.12.2006
Cited in	International search	[A] - "THE CHEMISTRY AND SYNTHESIS OF QINGHAOSU DERIVATIVES", JOURNAL OF TRADITIONAL CHINESE MEDICINE, BEIJING, CN, (1982), vol. 2, no. 1, ISSN 0255-2922, pages 9 - 16, XP008019918 [A] 1 * figures 2,3 *
		[A] - HAYNES, RICHARD K. ET AL, "C-10 ester and ether derivatives of dihydroartemisinin - 10-.alpha. artesunate, preparation of authentic 10-.beta. artesunate, and of other ester and ether derivatives bearing potential aromatic intercalating groups at C-10", EUROPEAN JOURNAL OF ORGANIC CHEMISTRY (2002), (1), 113-132, XP002250027 [A] 1 * page 114 * * examples 1,2,5,8 * DOI: http://dx.doi.org/10.1002/1099-0690(20021)2002:1<113::AID-EJOC113>3.0.CO;2-N
		[A] - PHAN DINH CHAU ET AL, "Semisynthesis of an antimalarial artesunate", CAPLUS, CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US, Database accession no. 119:249761, URL: STN, XP002250029 [A] 1 * abstract *
		[ ] - TAP CHI DUOC HOC (1992), (5), 10-12, XP001162710
		[A] - LI Y ET AL, "Studies on artemisinine analogs. I. Synthesis of ethers, carboxylates and carbonates of dihydroartemisinine", YAO HSUEH HSUEH PAO - ACTA PHARMACEUTICA SINICA, BEIJING, CN, (198106), vol. 16, no. 6, ISSN 0513-4870, pages 429 - 439, XP002119789 [A] 1 * the whole document *

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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