US Patent Issued to Chinese Academy of Inspection and Quarantine on June 24 for "Method for rapid on-site detection of fentanyl analogs using a miniature mass spectrometer" (Chinese Inventors)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,340,996, issued on June 24, was assigned to Chinese Academy of Inspection and Quarantine (Beijing).

"Method for rapid on-site detection of fentanyl analogs using a miniature mass spectrometer" was invented by Qiang Ma (Beijing), Xiangyu Guo (Beijing), Hua Bai (Beijing) and Wentao Li (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a method for rapid on-site detection of fentanyl analogs using a miniature mass spectrometer, comprising the following steps: (1) selecting a spotting plate; (2) loading a sample: depositing the sample and 3-nitrobenzonitrile solution in acetonitrile on the spotting plate to form a crysta...