Patent 7163697 was granted and assigned to Johns Hopkins University (company) on January, 2007 by the United States Patent and Trademark Office.
The present application is directed to biodegradable polymers, compositions, including microspheres and nanospheres, formed of such polymers, and methods of using such polymers and compositions. In certain embodiments, the subject polymer compositions include therapeutic agents, optionally providing sustained release of the encapsulated agent after administration to a patient.