ALEXANDRIA, Va., May 12 -- United States Patent no. 12,622,912, issued on May 12, was assigned to GUANGZHOU JOYO PHARMATECH Co. LTD (Guangdong, China) and SHANGHAI JIA TAN PHARMATECH Co. LTD. (Shanghai).
"Application of pyrido[1,2-apyrimidinone analog" was invented by Yongguo Li (Shanghai), Wei Wei (Shanghai), Aiyun Song (Shanghai) and Wei Ye (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "An application of a pyrido[1,2-a]pyrimidinone analog or a pharmaceutically acceptable salt thereof in the preparation of a drug, the drug being used to treat and/or prevent one or more among PIK3CA-mutated breast cancer, PIK3CA-mutated ovarian cancer, PIK3CA-mutated endometrial cancer, PIK3CA-mutated cervical canc...