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:
Mar. 04, 2014
Filed:
Jan. 12, 2007
Applicants:
Jie Wen, Eden Prairie, MN (US);
Aron B. Anderson, Minnetonka, MN (US);
Inventors:
Jie Wen, Eden Prairie, MN (US);
Aron B. Anderson, Minnetonka, MN (US);
Assignee:
Surmodics, Inc., Eden Prairie, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 2/00 (2006.01); A61K 38/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Polymeric matrices including microparticles that provide sustained release of a hydrophilic bioactive agent are described. The matrices can be in the form of a coating on the surface of an implantable medical article or an in situ formed matrix. The microparticles of the matrix include a first polymer and a second polymer that modulates release of the hydrophilic bioactive agent from the matrix.