Patents Assigned to Purdue Pharm, L.P.
  • Tamper resistant dosage forms
    Patent number: 11938225
    Abstract: The present invention relates to pharmaceutical dosage forms, for example to a tamper resistant dosage form including an opioid analgesic, and processes of manufacture, uses, and methods of treatment thereof.
    Type: Grant
    Filed: June 5, 2023
    Date of Patent: March 26, 2024
    Assignees: Purdue Pharm L.P., Purdue Pharmaceuticals L.P.
    Inventors: William H. McKenna, Richard O. Mannion, Edward P. O'Donnell, Haiyong H. Huang
  • Substituted pyridines as sodium channel blockers
    Patent number: 9206127
    Abstract: The invention relates to substituted pyridine and pyrimidine compounds of Formula (I) and the pharmaceutically acceptable salts, prodrugs, and solvates thereof, wherein R1, R2a, R2b, A1, A2, X, and Z are defined as set forth in the specification. The invention is also directed to the use of compounds of Formula (I) to treat a disorder responsive to the blockade of sodium channels. Compounds of the present invention are especially useful for treating pain.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: December 8, 2015
    Assignee: Purdue Pharm, L.P.
    Inventors: Laykea Tafesse, Jiangchao Yao