ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,125, issued on Feb. 3, was assigned to CHIYODA Corp. (Kanagawa, Japan).

"Method for producing ethylene oxide" was invented by Mitsunori Shimura (Yokohama, Japan), Dai Takeda (Yokohama, Japan) and Jun Matsumoto (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing ethylene oxide includes an ethylene oxide generation step 1 in which a first mixture containing ethylene oxide is obtained by causing ethylene and oxygen to react in presence of a diluent gas; a gas-liquid separation step 2 in which the first mixture is gas-liquid separated into a second mixture containing ethylene, oxygen, and carbon dioxide and a third mixt...