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:
Jun. 19, 2012
Filed:
May. 28, 2008
Applicants:
Ketan Mehta, Cranbury, NJ (US);
Yu-hsing Tu, West Windsor, NJ (US);
Alivia Chaudhuri, Cranbury, NJ (US);
Ashok Perumal, Edison, NJ (US);
Inventors:
Ketan Mehta, Cranbury, NJ (US);
Yu-Hsing Tu, West Windsor, NJ (US);
Alivia Chaudhuri, Cranbury, NJ (US);
Ashok Perumal, Edison, NJ (US);
Assignee:
Tris Pharma, Monmouth Junction, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/14 (2006.01); A61K 9/20 (2006.01); A61K 9/48 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sustained release formulation for opioid drugs is described. The formulation contains an opioid-ion exchange resin complex having a hybrid coating. The hybrid coating contains a cured polyvinylacetate polymer and a pH-dependent enteric coating layer mixed therein. Also provided are methods of making and using same.