ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,346, issued on Sept. 30, was assigned to Elemental Scientific Inc. (Omaha, Neb.).
"Membrane-based purge gas and sample transfer for laser ablation sample processing" was invented by Mark Casper (Blair, Neb.), Ross Coenen (Omaha, Neb.), Michael P. Field (Papillion, Neb.), Daniel R. Wiederin (Omaha, Neb.) and Jude Sakowski (Omaha, Neb.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are described for transferring gas from an ablation cell to an inductively coupled plasma analysis system via a gas exchange membrane transfer line to exchange gas introduced to the ablation cell with a sweep gas. A system embodiment includes, but is no...