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LT - A process for the preparation of drospirenone

EN - A process for the preparation of drospirenone

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Bibliographic data

Indications of the International Patent Classification (IPC)
(51)	INT.CL.	C07J 53/00
		C07J 71/00

European patent
(11)	Number of the document	1571153
(13)	Kind of document	T
(96)	European patent application number	05101511.3
	Date of filing the European patent application	2005-02-28
(97)	Date of publication of the European application	2005-09-07
(45)	Date of publication and mention of the grant of the patent	2010-11-03
(46)	Date of publication of the claims translation

Priority applications
(30)	Number	Date	Country code
	MI20040367	2004-03-01	IT

Inventors
(72)	Costantino, Francesca, IT Lenna, Roberto, IT Piuri, Silvia, IT

Grantee
(73)	INDUSTRIALE CHIMICA S.r.l., Via Abbondio Sangiorgio 12, 20145 Milano, IT

Title
(54)	A process for the preparation of drospirenone
	A process for the preparation of drospirenone