US Patent Issued to JILIN ASYMCHEM PHARMACEUTICALS on Aug. 26 for "Continuous preparation method for penem intermediate map" (Chinese, American Inventors)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,161, issued on Aug. 26, was assigned to JILIN ASYMCHEM PHARMACEUTICALS Co. LTD. (Jilin, China).

"Continuous preparation method for penem intermediate map" was invented by Hao Hong (Morrisville, N.C.), Gage James (Morrisville, N.C.), Chaoyong Chen (Tianjin, China), Jiangping Lu (Tianjin, China), Yong Jiang (Tianjin, China), Jian Tao (Tianjin, China) and Yong Luo (Tianjin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses a continuous preparation method for a penem intermediate MAP. The continuous preparation method includes the following steps: step S1, in a column-type continuous reactor, using a rhodium-loaded ca...