US Patent Issued to SHIMADZU on June 2 for "Mass spectrometer and mass spectrometry method" (Japanese Inventor)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,646,698, issued on June 2, was assigned to SHIMADZU Corp. (Kyoto, Japan).

"Mass spectrometer and mass spectrometry method" was invented by Hidenori Takahashi (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The precursor ion is reacted with ammonia molecules or ammonia radicals to generate product ions, the product ions are separated according to a mass-to-charge ratio, and detected. It is estimated that whether or not an aldehyde group is included in a molecular structure of the precursor ion based on a difference between a mass-to-charge ratio of one of the detected product ion and a mass-to-charge ratio of the precursor ion. In addition, p...