ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,790, issued on May 26, was assigned to AmberNoon LLC (Wayne, Pa.).
"Ultraviolet protecting fabric and method of preparation thereof" was invented by Erum N. Ilyas (Wayne, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An improved ultraviolet (UV) blocking fabric that has an ultraviolet protection factor (UPF) rating of at least 49 in accordance with AATCC 183. The fabric does not require ultraviolet protecting coating(s) or finish(es) or such other treatment for achieving the desired ultraviolet protecting efficiency. Further, the fabric affords maintenance of the UPF rating even after the fabric has been subjected to several laundering cycles."...