US Patent Issued to University of Shanghai for Science and Technology, CHONGQING INSTITUTE FORFOOD AND DRUG CONTROL on July 8 for "Method for qualitative identification and quantitative determination of caffeine in drug" (Chinese Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,693, issued on July 8, was assigned to University of Shanghai for Science and Technology (Shanghai) and CHONGQING INSTITUTE FORFOOD AND DRUG CONTROL (Chongqing, China).

"Method for qualitative identification and quantitative determination of caffeine in drug" was invented by Yan Peng (Shanghai), Linggao Zeng (Chongqing, China), Yiming Zhu (Shanghai), Qingrou Yang (Shanghai), Chenjun Shi (Shanghai), Xu Wu (Shanghai) and Songlin Zhuang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for qualitative identification and quantitative determination of caffeine in a drug. In the method, terahertz absorption coefficient spectra of drugs with...