Drug Patent Expirations in April 2007

Drug Patent Expirations in April 2007
*Drugs may be covered by more than one patent

Tradename	Applicant	Generic Name	Patent Number	Patent Expiration
AMBIEN	Sanofi Aventis Us	zolpidem tartrate	4,382,938	APR 21,2007
AMBIEN CR	Sanofi Aventis Us	zolpidem tartrate	4,382,938	APR 21,2007
BIDIL	Nitromed	hydralazine hydrochloride; isosorbide dinitrate	4,868,179	APR 22,2007
DEPAKOTE ER	Abbott	divalproex sodium	4,913,906	APR 03,2007
ELOCON	Schering	mometasone furoate	4,808,610	APR 02,2007
GLYNASE	Pharmacia And Upjohn	glyburide	4,916,163	APR 10,2007
INSPRA	Gd Searle Llc	eplerenone	4,559,332	APR 09,2007
NEXIUM	Astrazeneca	esomeprazole magnesium	4,738,974	APR 19,2007
PHOSLO	Fresenius Medcl	calcium acetate	4,870,105	APR 07,2007
PHOSLO GELCAPS	Fresenius Medcl	calcium acetate	4,870,105	APR 07,2007
VISUDYNE	Qlt	verteporfin	4,920,143	APR 24,2007
VOLTAREN	Novartis	diclofenac sodium	4,829,088	APR 14,2007