US Patent Issued to Georgetown University on Jan. 13 for "Nanoporous metal foam gas and fluid filters" (Virginia Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,659, issued on Jan. 13, was assigned to Georgetown University (Washington).

"Nanoporous metal foam gas and fluid filters" was invented by Kai Liu (Falls Church, Va.) and James D. Malloy (Arlington, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A metal foam-based filtration system and method for removing sub-micron particles and contaminants from a gas or fluid flow with the use of ultralow density metal nanowire meshes that have nanometer to micron scale pores for trapping air/fluid-borne particulates. Filters can use metal foams and coated metal foams alone or in tandem. The size and density of pores in the foam can be adjusted with synthesis ...