Tamper resistant dosage forms | Patent Publication Number 20140031381

US 20140031381 A1
Patent NumberUS 08808741 B2
Application Number14040535
Filled DateSep 27, 2013
Priority DateAug 25, 2006
Publication DateJan 30, 2014
Original AssigneePurdue Pharma
Current AssigneePurdue Pharmaceuticals Lp
Purdue Pharma
Inventor/ApplicantsHaiyong H. Huang
William H. McKenna
Edward P. O'Donnell
Richard O. Mannion
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