ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,880, issued on Nov. 4, was assigned to Resonac Corp. (Tokyo).
"Halon purification method" was invented by Kanako Kogashi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a halon purification method capable of simply, safely, and efficiently removing mixed bromine molecules to obtain high purity halon. The halon purification method is a method for removing bromine molecules from crude halon containing halon and the bromine molecules, and the method includes: a contact step of bringing the crude halon into contact with an absorbing liquid containing an aqueous solution containing metal iodide to obtain a mixed liquid containing t...