ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,255, issued on Sept. 15, was assigned to Embolization Inc. (Boulder, Colo.).

"Radiopaque polymers with enhanced radiopacity" was invented by Stephen D. Goodrich (Boulder, Colo.) and Jeffrey P. Castleberry (Boulder, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Radiopaque polymer compositions and methods for making the compositions are provided. These radiopaque polymer compositions include polymer compositions comprising a crosslinked polymer network, the network comprising a first repeating unit derived from a monofunctional monomer, a second repeating unit derived from a crosslinker monomer having more than two polymerizable groups and a t...