ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,373, issued on May 27, was assigned to Nankai University (Tianjin, China).

"Cyclopropane skeleton monophosphine ligands, palladium complexes thereof, preparation methods and application" was invented by Shoufei Zhu (Tianjin, China), Huawei Liu (Tianjin, China), Wei Sun (Tianjin, China), Wentao Li (Tianjin, China), Ling Dang (Tianjin, China), Mingyao Huang (Tianjin, China) and Xinyu Zhang (Tianjin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to cyclopropane skeleton monophosphine ligands and preparation methods for palladium complexes thereof and an application. Specifically, trans-diaryl substituted cyclopropan...