ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,290, issued on Sept. 9, was assigned to Toray Advanced Materials Korea Inc. (Gyeongsangbuk-do, South Korea).

"Monovalent anion selective ion exchange membrane" was invented by Young Woo Choi (Jeollabuk-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a monovalent anion selective ion exchange membrane and a method of manufacturing the ion exchange membrane. In regard to the monovalent anion selective ion exchange membrane, a surface portion thereof has a high amount ratio of a cation exchange polymer electrolyte, a central portion thereof has a high amount ratio of an anion exchange polymer electrolyte, and an amount ratio...