US Patent Issued to EVATEC on Oct. 28 for "Method for preparing hypochlorous acid aqueous solution and method for regenerating weakly acidic cation exchanger" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,457, issued on Oct. 28, was assigned to EVATEC Co. LTD. (Tokyo).

"Method for preparing hypochlorous acid aqueous solution and method for regenerating weakly acidic cation exchanger" was invented by Minoru Terada (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method for preparing a hypochlorous acid aqueous solution by which a weakly acidic hypochlorous acid aqueous solution having a pH of about 3.5-7 can be obtained without substantially generating chlorine gas even immediately after regeneration or even with a new weakly acidic cation exchange resin. In a method for preparing a hypochlorous acid aqueous solution wherein an aque...