ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,070, issued on June 30, was assigned to DH Technologies Development Pte. Ltd. (Singapore).
"Sampling from a magnetic induced heterogenous system" was invented by Thomas R. Covey (Concord, Canada) and Chang Liu (Richmond Hill, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "In one aspect, a method of extracting a target analyte from a sample for introduction into a mass spectrometer is disclosed, which includes mixing the sample with a paramagnetic medium to form a mixture, subjecting the mixture to a magnetic field gradient to form a non-homogenous distribution of at least one of the analyte and at least one interfering component of the sample...