ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,588, issued on April 21, was assigned to Kyungpook National University Industry-Academic Cooperation Foundation (Daegu, South Korea).

"ZnO/carbon allotrope complex for sensing of low ppm formaldehyde gas and manufacturing method thereof" was invented by Jeung Soo Huh (Daegu, South Korea), Jae Bum Park (Daegu, South Korea) and Ji Hoon Lee (Siheung-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a ZnO/carbon allotrope composite for a formaldehyde sensor. The ZnO/carbon allotrope composite for a formaldehyde sensor comprising a substrate, a conductive metal coating layer formed on the substrate, a ZnO seed layer formed on t...