ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,551, issued on Dec. 30, was assigned to Rensselaer Polytechnic Institute (Troy, N.Y.).

"Assay for filtration of suspended particles in microporous membranes" was invented by Georges Belfort (North Falmouth, Mass.), Joel L. Plawsky (Albany, N.Y.), Corey Christopher Woodcock (Saratoga Springs, N.Y.), Mirco Sorci (Troy, N.Y.) and Dustin J. Andersen (Seaford, Del.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of assessing a membrane includes calculating fluid dynamic characteristics of at least one of a membrane and a material to be passed through the membrane, the membrane includes a plurality of rows and a plurality of teardrop structures ar...