US Patent Issued to The Hong Kong University of Science and Technology on Feb. 24 for "Transparent reusable ultrahigh molecular weight polyethylene air filter" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,655, issued on Feb. 24, was assigned to The Hong Kong University of Science and Technology (Hong Kong).

"Transparent reusable ultrahigh molecular weight polyethylene air filter" was invented by Ping Gao (Hong Kong), Qiao Gu (Hong Kong) and Shu Kwan Cheung (Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "In particles removal with extremely high filtration efficiency and the ability to block submicron airborne particles by a sieving mechanism is provided. This novel nanoporous filter advantageously combines extremely high transmittance for visible light and ultraviolet light, reusability after cleaning or disinfection by ultraviolet irradiati...