ALEXANDRIA, Va., June 17 -- United States Patent no. 12,310,987, issued on May 27, was assigned to Merit Medical Systems Inc. (South Jordan, Utah).

"Fibrous constructs with therapeutic material particles" was invented by John Hall (Bountiful, Utah), Wayne Mower (Bountiful, Utah), John Hellgeth (Murray, Utah), Rachel Oberg (North Salt Lake, Utah) and Doug Friedrichs (Salt Lake City).

According to the abstract* released by the U.S. Patent & Trademark Office: "Sheets of material used in medical devices and filters are disclosed. The sheets may include a fibrous mat including a plurality of microfibers. The microfibers may include a polymer matrix and a plurality of additive particles. The additive particles may include carbon material partic...