EXTENDED RELEASE PHARMACEUTICAL COMPOSITIONS CONTAINING BETA-LACTAM ANTIBIOTICS - Patent 1353651

(19)

(11)

EP 1 353 651 A2

(12)

(88)	Date of publication A3:
	06.03.2003

(43)	Date of publication:
	22.10.2003 Bulletin 2003/43

(21)	Application number: 02701537.9

(22)	Date of filing: 18.01.2002

(51)	International Patent Classification (IPC)⁷: A61K 9/24, A61K 9/54, A61K 31/43, A61K 9/20, A61K 9/00

(86)	International application number:
	PCT/IN0200/009

(87)	International publication number:
	WO 0205/6867 (25.07.2002 Gazette 2002/30)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
	Designated Extension States:
	AL LT LV MK RO SI

(30)

Priority:

18.01.2001 IN MA010058

(71)	Applicant: Natco Pharma Limited
	Hyderabad 500 033,Andhra Pradesh (IN)

(72)	Inventors:
	PENDYALA, Rama Rao,Natco Pharma Ltd Hyderabad 500 033,Andhra Pradesh (IN) KHADGAPATHI, Podili,Natco Pharma Ltd Hyderabad 500 033,Andhra Pradesh (IN) NANNAPANENI, Venkaiah Chowdary,Natco Pharma Ltd Hyderabad 500 033,Andhra Pradesh (IN) PAVULURI, Venkateswara Rao,Natco Pharma Ltd Hyderabad 500 033 Andhra Pradesh (IN)

(74)	Representative: Pawlyn, Anthony Neil
	Urquhart-Dykes & Lord,Tower House,Merrion Way Leeds,West Yorkshire LS2 8PA Leeds,West Yorkshire LS2 8PA (GB)

(54)	EXTENDED RELEASE PHARMACEUTICAL COMPOSITIONS CONTAINING BETA-LACTAM ANTIBIOTICS