US Patent Issued to Asahi Kasei on Sept. 29 for "Feedstock solution flow concentration system" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,511, issued on Sept. 29, was assigned to Asahi Kasei K.K. (Tokyo).

"Feedstock solution flow concentration system" was invented by Daisuke Hotta (Tokyo), Mitsuru Fujita (Tokyo) and Masato Mikawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A feedstock solution flow concentration system, which has a first step for counterflowing or parallel flowing a feedstock solution flow a containing a solute and a solvent b, and a draw solution flow d via a forward osmosis membrane o and transferring the solvent b in the feedstock solution flow a to the draw solution flow d to obtain a concentrated feedstock solution flow c, which is the feedstock soluti...