US Patent Issued to SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY on Oct. 20 for "Fingerprint spectrum construction method for Xihuang capsules and fingerprint spectrum" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,768,825, issued on Oct. 20, was assigned to SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY (Xi'an, China).

"Fingerprint spectrum construction method for Xihuang capsules and fingerprint spectrum" was invented by Chengyuan Liang (Xi'an, China), Changhua Ke (Xi'an, China), Yanzi Wang (Xi'an, China), Yuting Liu (Xi'an, China), Xiuding Yang (Xi'an, China), Ying Zhou (Xi'an, China) and Jiaxuan Li (Xi'an, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fingerprint spectrum construction method for Xihuang capsules and a fingerprint spectrum includes: S1: taking contents of a Xihuang capsule, adding a methanol-chloroform-phosphoric acid solution, and carry...