ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,920, issued on May 20, was assigned to CITY UNIVERSITY OF HONG KONG (Kowloon, Hong Kong).
"Platinum complex, its preparation and therapeutic use" was invented by Guangyu Zhu (Kowloon, Hong Kong), Zoufeng Xu (Kowloon, Hong Kong) and Qiyuan Zhou (Kowloon, Hong Kong).
According to the abstract* released by the U.S. Patent & Trademark Office: "A platinum complex comprises a chemical structure of Structure (II):where R3, R4, R5, R6, R7 and R8 are independently selected From a hydrogen atom, a substituted or unsubstituted linear or branched chain C1 to C5 alkyl group, a cycloalkyl group, a substituted or unsubstituted aryl group, and a heteroaryl group, R9 and R10 are independently sel...