Tamper resistant dosage forms | Patent Publication Number 20130251798

US 20130251798 A1
Patent NumberUS 08894988 B2
Application Number13900963
Filled DateMay 23, 2013
Priority DateAug 25, 2006
Publication DateSep 26, 2013
Original AssigneePurdue Pharma
Current AssigneePurdue Pharmaceuticals Lp
Purdue Pharma
Inventor/ApplicantsRichard O. Mannion
William H. McKenna
Haiyong H. Huang
Edward P. O'Donnell
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