Patent details

EN | LT

LT - PROCESS FOR PREPARATION OF SUBSTANTIALLY OPTICALLY PURE LEVOROTATORY AND DEXTROROTATORY ENANTIOMERS OF CETIRIZINE USING NOVEL INTERMEDIATES

EN - PROCESS FOR PREPARATION OF SUBSTANTIALLY OPTICALLY PURE LEVOROTATORY AND DEXTROROTATORY ENANTIOMERS OF CETIRIZINE USING NOVEL INTERMEDIATES

Legal status

Patent not validated

Bibliographic data

Indications of the International Patent Classification (IPC)
(51)	INT.CL.	C07D 295/073

European patent
(11)	Number of the document	2167479
(13)	Kind of document	T
(96)	European patent application number	07805624.9
	Date of filing the European patent application	2007-06-15
(97)	Date of publication of the European application	2010-03-31
(45)	Date of publication and mention of the grant of the patent	2013-09-11
(46)	Date of publication of the claims translation

PCT application
(86)	Number	PCT/IN2007/000239
	Date	2007-06-15

PCT application publication
(87)	Number	WO 2008/152650
	Date	2008-12-18

Inventors
(72)	MOHAN RAO, Dodda, IN SATYANARAYANA RAO, Bitra, IN

Grantee
(73)	Symed Labs Limited, 8-3-166/6 & 7, II Floor Sree Arcade Erragadda, Hyderabad 500 018 Andhra Pradesh, IN

Title
(54)	PROCESS FOR PREPARATION OF SUBSTANTIALLY OPTICALLY PURE LEVOROTATORY AND DEXTROROTATORY ENANTIOMERS OF CETIRIZINE USING NOVEL INTERMEDIATES
	PROCESS FOR PREPARATION OF SUBSTANTIALLY OPTICALLY PURE LEVOROTATORY AND DEXTROROTATORY ENANTIOMERS OF CETIRIZINE USING NOVEL INTERMEDIATES