Tamper resistant dosage forms | Patent Publication Number 20230310326

US 20230310326 A1
Patent NumberUS 11938225 B2
Application Number18205786
Filled DateJun 5, 2023
Priority DateAug 25, 2006
Publication DateOct 5, 2023
Original AssigneePurdue Pharma
Current AssigneePurdue Pharmaceuticals Lp
Purdue Pharma
Inventor/ApplicantsWilliam H. McKenna
Edward P. O'Donnell
Edward P. O'DONNELL
William H. MCKENNA
Richard O. Mannion
Haiyong H. Huang
Richard O. MANNION
Haiyong H. HUANG
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