US Patent Issued to ZHEJIANG WYNCA CHEMICAL INDUSTRY GROUP, ZHEJIANG UNIVERSITY on Sept. 22 for "Method for preparing 4-(hydroxymethylphosphinyl)-2-oxobutanoic acid" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,980, issued on Sept. 22, was assigned to ZHEJIANG WYNCA CHEMICAL INDUSTRY GROUP Co. LTD (Hangzhou, China) and ZHEJIANG UNIVERSITY (Hangzhou, China).

"Method for preparing 4-(hydroxymethylphosphinyl)-2-oxobutanoic acid" was invented by Shuguang Zhou (Hangzhou, China), Lirong Yang (Hangzhou, China), Long Qin (Hangzhou, China), Haisheng Zhou (Hangzhou, China), Shenluan Yu (Hangzhou, China), Jianping Wu (Hangzhou, China), Linlin Wang (Hangzhou, China), Bo Zhan (Hangzhou, China) and Ping Wang (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for preparing 4-(hydroxymethylphosphinyl)-2-oxobutanoic acid, comprising the following ste...