US Patent Issued to Georgetown University on Sept. 2 for "Nanoporous metal foam gas and fluid filters" (Virginia Inventor)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,403,418, issued on Sept. 2, was assigned to Georgetown University (Washington).

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

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