ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,307, issued on March 17, was assigned to Micromass UK Ltd. (Wilmslow, Great Britain).
"De-clustering ion guide" was invented by Kevin Giles (Stockport, Great Britain) and Jakub Ujma (Manchester, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of mass and/or ion mobility spectrometry comprising: providing an ion guide comprising a plurality of electrodes and having a background gas therein; applying an RF voltage to electrodes of the ion guide for radially confining ions therein; transmitting clusters of analyte ions and adduct species into the ion guide; applying, in a first mode, one or more AC voltage to the ion guide so as ...