ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,683, issued on May 19, was assigned to Boston Scientific Scimed Inc. (Maple Grove, Minn.).

"Medical device with tunable hydrophobicity and method of manufacture" was invented by Yen-Hao Hsu (Shrewsbury, Mass.), Joseph Thomas Delaney Jr. (Minneapolis), Paul Vincent Grosso (Maple Grove, Minn.) and Patrick Willoughby (Shoreview, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A medical device include a polyurethane layer and a hydro-specific layer that is covalently bonded to the polyurethane layer. The polyurethane layer may include a plurality of monomer residues, at least some of which include pendent alkene groups. The hydro-specific layer may ...