ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,061, issued on April 29, was assigned to O&M Halyard Inc. (Mechanicsville, Va.).
"Facemasks with material layers for enhanced bonding process" was invented by Ajay Y. Houde (Johns Creek, Ga.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A disposable facemask is provided having a filter body with an opening sized to cover the nose and mouth of a wearer. The filter body further includes an outer mask layer and an inner mask layer, and one or more intermediate layers disposed between the outer and inner mask layers. At least one of the intermediate layers is a nonwoven web layer including thermoplastic filaments formed from a random copolymer, or a ran...