US Patent Issued to Aspen Products Group on March 25 for "Separation membrane and methods of preparation thereof" (Massachusetts Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,553, issued on March 25, was assigned to Aspen Products Group Inc. (Marlborough, Mass.).

"Separation membrane and methods of preparation thereof" was invented by Mark D. Fokema (Northborough, Mass.) and Decio Coutinho (Marlborough,, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A membrane for fluid species transport includes a porous substrate and a selective-transport layer comprising 2-D-material flakes. The porous substrate defines surface pores with dimensions larger than 2 microns, and the selective-transport layer coats the porous substrate and spans across the surface pores. The porous substrate can be contacted with a liquid or coati...