ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,360, issued on Dec. 23, was assigned to Celanese EVA Performance Polymers LLC (Irving, Texas).

"Implantable device for sustained release of a macromolecular drug compound" was invented by Christian Schneider (Hattersheim am Main, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An implantable device for delivery of a macromolecular drug compound is provided. The device comprises a core having an outer surface and a membrane layer positioned adjacent to the outer surface of the core. The core comprises a core polymer matrix within which is dispersed a drug compound having a molecular weight of about 5 kDa or more, the polymer matrix containing ...