ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,304, issued on May 13, was assigned to AQUAPORIN A/S (Kongens Lyngby, Denmark).
"Membrane for water filtration" was invented by Krzysztof Trzaskus (Kgs. Lyngby, Denmark) and Reyhan Sengur-Tasdemir (Holte, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process for preparing a semi-permeable membrane includes providing an aqueous phase comprising a polyfunctional amine monomer, covering a surface of a porous support membrane with the aqueous phase, applying an organic phase comprising a polyfunctional acyl halide monomer, a phosphorous containing compound and a co-solvent, and allowing the polyfunctional amine monomer and the polyfunctional ...