US Patent Issued to Battelle Memorial Institute on March 17 for "Ion extraction and focusing from a field-free region to an ion mobility spectrometer at atmospheric pressure" (Washington Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,306, issued on March 17, was assigned to Battelle Memorial Institute (Richland, Wash.).

"Ion extraction and focusing from a field-free region to an ion mobility spectrometer at atmospheric pressure" was invented by Robert G. Ewing (Kennewick, Wash.), Elizabeth Denis (Seattle), Megan Nims (Richland, Wash.) and Garret L. Hart (West Richland, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus include a plurality of electrodes arranged in a sequence along a propagation axis between an ion inlet and an ion outlet to define an ion path and volume, wherein the electrodes are configured to receive respective voltages to produce an electric fiel...