US Patent Issued to Sumitomo Chemical on Aug. 25 for "Propylene oxide production apparatus and propylene oxide production method" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,714,977, issued on Aug. 25, was assigned to Sumitomo Chemical Co. Ltd. (Tokyo).

"Propylene oxide production apparatus and propylene oxide production method" was invented by Hirofumi Koike (Sodegaura, Japan), Shuhei Yoshida (Tokyo), Kazunori Oda (Ichihara, Japan) and Shoko Ikeda (Ichihara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a propylene oxide production apparatus including a switching mechanism that is capable of switching a state of each reactor between an operating state where reaction raw materials are supplied and an epoxidation reaction is performed and a non-operating state where the supply of the reaction raw materials...