The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 27, 2024
Filed:
Aug. 30, 2018
Applicant:
Purdue Pharma L.p., Stamford, CT (US);
Inventors:
Ozgur Akcan, Parlin, NJ (US);
Richard Mannion, Furlong, PA (US);
Assignee:
Purdue Pharma L.P, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/20 (2006.01); A61K 31/485 (2006.01);
U.S. Cl.
CPC ...
A61K 9/2031 (2013.01); A61K 9/2013 (2013.01); A61K 31/485 (2013.01);
Abstract
The invention relates to a solid oral extended release pharmaceutical dosage form comprising an extended release matrix formulation. The extended release matrix formulation comprises (1) at least one active agent, (2) at least one anionic surfactant, and (3) at least about 40% by weight (based on the weight of the extended release matrix formulation) of at least one polyethylene oxide. In certain embodiments, the molar ratio of the at least one anionic surfactant to the at least one active agent is from about 1:2 to about 10:1.