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:
Apr. 04, 2017
Filed:
May. 16, 2014
Applicant:
The Curators of the University of Missouri, COLUMBIA, MO (US);
Inventors:
Ashim K. Mitra, Overland Park, KS (US);
Sulabh P. Patel, Kansas City, MO (US);
Ravi D. Vaishya, Kansas City, MO (US);
Vibhuti Agrahari, Kansas City, MO (US);
Assignee:
THE CURATORS OF THE UNIVERSITY OF MISSOURI, Columbia, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/91 (2006.01); A61K 9/06 (2006.01); A61K 9/51 (2006.01); C08G 63/664 (2006.01);
U.S. Cl.
CPC ...
C08G 63/912 (2013.01); A61K 9/06 (2013.01); A61K 9/5153 (2013.01); A61K 9/5192 (2013.01); C08G 63/664 (2013.01);
Abstract
Novel pentablock polymers having a PCL-PLA-PEG-PLA-PCL or PCL-PGA-PEG-PGA-PCL configuration, wherein PEG is polyethylene glycol, PCL is poly(8-caprolactone), PGA is poly(glycolic acid), and PLA is poly(lactic acid), and methods of making nanoparticles from the pentablock polymers, are disclosed. The invention is also directed to a method for preparing nanoparticle compositions comprised of polymers with high levels of bioactive or diagnostic agents.