US Patent Issued to YONGNONG BIOSCIENCES, NINGXIA YONGNONG BIOSCIENCES on March 18 for "Methods of preparing glufosinate" (Chinese Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,501, issued on March 18, was assigned to YONGNONG BIOSCIENCES Co. LTD. (Zhejiang, China) and NINGXIA YONGNONG BIOSCIENCES Co. LTD. (Ningxia, China).

"Methods of preparing glufosinate" was invented by Wenjie Tang (Zhejiang, China), Chengjun Wu (Zhejiang, China), Nan Li (Zhejiang, China), Jianjie Xu (Zhejiang, China), Xianzhong Tang (Zhejiang, China) and Chunhui Mao (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a method of preparing glufosinate, and specifically a method of preparing glufosinate represented by formula (I) or its salt or enantiomer, or a mixture of its enantiomers in any ratio, comprising a step of hydro...