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. 12, 2019
Filed:
Sep. 12, 2014
Applicant:
Regents of the University of Minnesota, Minneapolis, MN (US);
Inventors:
Wenshou Wang, Quincy, MA (US);
Chun Wang, Minneapolis, MN (US);
Assignee:
Regents of the University of Minnesota, Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 47/34 (2017.01); A61K 9/06 (2006.01); A61K 38/38 (2006.01); C08G 65/331 (2006.01); A61K 9/51 (2006.01); C08G 63/664 (2006.01); C08G 81/00 (2006.01); C08L 71/02 (2006.01); A61K 9/00 (2006.01);
U.S. Cl.
CPC ...
A61K 47/34 (2013.01); A61K 9/06 (2013.01); A61K 9/5153 (2013.01); A61K 38/385 (2013.01); C08G 63/664 (2013.01); C08G 65/3312 (2013.01); C08G 81/00 (2013.01); C08L 71/02 (2013.01); A61K 9/0014 (2013.01); A61K 9/0019 (2013.01); A61K 9/0024 (2013.01); C08G 2650/44 (2013.01);
Abstract
The invention provides semi-solid systems for delivering biologically active materials that include a polymer comprising 1) one or more polycaprolactone (PCL) units and 2) at least one or more polyethylene glycol (PEG) units; wherein at least one of said polycaprolactone units is conjugated to a PEG forming an acetal group.