US Patent Issued to MOCON on Oct. 21 for "Photoionization detector having improved gain and reduced humidity sensitivity" (Minnesota Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,343, issued on Oct. 21, was assigned to MOCON INC. (Brooklyn Park, Minn.).

"Photoionization detector having improved gain and reduced humidity sensitivity" was invented by Charles R. Willcox (Hopkins, Minn.), David J. Jennings (Edina, Minn.) and Christopher T. Fields (Coon Rapids, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A photoionization detector comprised of a gas discharge lamp that ionizes molecules of interest to create ionized molecules and electrons and a sensor having at least one opening for UV light to pass through and electrically conductive patterns on the top and bottom surfaces of the plate. A negative electrical potential ...