ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,919, issued on Dec. 16, was assigned to MITSUBISHI HEAVY INDUSTRIES LTD. (Tokyo).

"Raw material fluid treatment plant and raw material fluid treatment method" was invented by Hideyuki Uechi (Tokyo), Hidefumi Araki (Tokyo), Satoshi Tanimura (Tokyo), Masakazu Nose (Tokyo), Jun Sasahara (Tokyo), Yukio Tanaka (Tokyo) and Atsushi Yuasa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A raw material fluid treatment plant is provided with a raw material reaction apparatus for reacting a raw material fluid to form a reaction gas. The raw material reaction apparatus includes preheaters and a reactor. The preheaters are heat exchangers that perform heat ...