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Drug Patent Expirations in May 2011

Drug Patent Expirations in May 2011

*Drugs may be covered by multiple patents

TradenameApplicantGeneric NamePatent Number Patent Expiration
OPTIVARMeda Pharmsazelastine hydrochloride5,164,194*PEDMay 1, 2011
ASTELINMeda Pharmsazelastine hydrochloride5,164,194*PEDMay 1, 2011
ENTOCORT ECAstrazenecabudesonide6,423,340*PEDMay 15, 2011
ALORAWatson Labsestradiol5,227,169May 17, 2011
ALORAWatson Labsestradiol5,122,383May 17, 2011
ALORAWatson Labsestradiol5,212,199May 17, 2011
FORTOVASEHoffmann La Rochesaquinavir5,196,438*PEDMay 19, 2011
INVIRASEHoffmann La Rochesaquinavir mesylate5,196,438*PEDMay 19, 2011
INVIRASERochesaquinavir mesylate5,196,438*PEDMay 19, 2011
CARDIZEM CDBiovaildiltiazem hydrochloride5,470,584May 20, 2011
CARDIZEM CDBiovaildiltiazem hydrochloride5,286,497May 20, 2011
RESCULASucampo Pharmsunoprostone isopropyl5,208,256May 21, 2011
AMITIZASucampo Pharmslubiprostone5,317,032May 31, 2011

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