ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,406, issued on May 26, was assigned to NINGBO NATA OPTO-ELECTRONIC MATERIAL Co. LTD. (Ningbo, China).

"Diester structure monomer, preparation method therefor, and application thereof" was invented by Shaoshan Yu (Ningbo, China), Dagong Gu (Ningbo, China), Dongsheng Xu (Ningbo, China), Tao Fang (Ningbo, China), Guoqiang Qi (Ningbo, China), Xiao Ma (Ningbo, China), Zhibiao Mao (Ningbo, China) and Chongying Xu (Ningbo, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The preparation method for the diester structure monomer includes the following steps: dissolving glycolate in a reaction solvent to prepare a glycolate solution; mixing the glycolate s...