ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,132, issued on June 17, was assigned to MINGSHUO ENVIRONMENT TECHNOLOGY GROUP Co. LTD. (Weifang, China).

"Resin substrate-based iron oxyhydroxide desulfurizing agent and preparation method therefor" was invented by Jianming Shi (Shandong, China) and Wenshuo Shi (Shandong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a resin substrate-based iron oxyhydroxide desulfurizing agent and a preparation method therefor, falling within the technical field of gas purification and treatment. In the present disclosure, sodium percarbonate is used as a raw material to prepare iron oxyhydroxide. Sodium percarbonate serves both as an alkaline ...