US Patent Issued to HEBEI HOFMANN NEW MATERIAL TECHNOLOGY on Nov. 11 for "Preparation method of 3-mercaptopropionic acid" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,788, issued on Nov. 11, was assigned to HEBEI HOFMANN NEW MATERIAL TECHNOLOGY Co. LTD (Langfang, China).

"Preparation method of 3-mercaptopropionic acid" was invented by Xinfu Wang (Langfang, China), Xiaobo Zhang (Langfang, China), Zunhua Yang (Langfang, China) and Yuanyuan Xia (Langfang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to the field of synthesis of mercapto compounds, and in particular, to a preparation method of 3-mercaptopropionic acid. The preparation method provided by the present disclosure comprises the steps of: mixing sodium acrylate with sodium hydrosulfide or sodium sulfide for reacting; ...