US Patent Issued to WANHUA CHEMICAL (NINGBO), WANHUA CHEMICAL GROUP on Feb. 18 for "Catalyst for preparing phosgene and preparation method therefor, and method for preparation of phosgene and comprehensive utilization of energy thereof" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,226,761, issued on Feb. 18, was assigned to WANHUA CHEMICAL (NINGBO) Co. LTD. (Ningbo, China) and WANHUA CHEMICAL GROUP Co. LTD (Yantai, China).

"Catalyst for preparing phosgene and preparation method therefor, and method for preparation of phosgene and comprehensive utilization of energy thereof" was invented by Chao Dong (Yantai, China), Dongke Zhao (Yantai, China), Yujie Zhou (Yantai, China), Chaoqun Li (Yantai, China), Fang Wen (Yantai, China), Wenbo Wang (Yantai, China), Hongke Zhang (Yantai, China), Dan Xu (Yantai, China), Chong Li (Yantai, China) and Jie Shi (Yantai, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided in the invention a...