ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,153, issued on Aug. 5, was assigned to Massachusetts Institute of Technology (Cambridge, Mass.) and THE BRIGHAM AND WOMEN'S HOSPITAL INC. (Boston).

"Poly(beta-thioester) polymers and polymeric nanoparticles" was invented by Robert Langer (Newton, Mass.), Carlo Traverso (Newton, Mass.), Ameya Kirtane (Somerville, Mass.), Daniel Reker (Somerville, Mass.), Lewis Scott Jones (Cambridge, Mass.), Hyunjoon Kim (Cambridge, Mass.) and Netra Rajesh (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure describes poly(Beta-thioester) polymers and polymeric nanoparticles, pharmaceutical compositions comprising these materials, their use ...