ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,234,608, issued on Feb. 25, was assigned to Folia Water Inc. (Pittssburgh, Pa.).

"Substrates with metal nanoparticles, related articles, and a continuous process for making same" was invented by Theresa Dankovich (Pittsburgh), Jonathan Levine (Pittsburgh) and Cantwell George Carson (Pittsburgh).

According to the abstract* released by the U.S. Patent & Trademark Office: "An embodiment of the present disclosure is a method for forming a substrate. The method includes applying an aqueous solution of nanoparticle precursors to an assembly of fibers, wherein the nanoparticle precursors include a metal salt and a reducing agent. The method also includes drying the assembly of fibers with t...