ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,695, issued on Jan. 20, was assigned to Veriteque USA Inc. (Carson City, Nev.).

"Fentanyl analogue detection methods and kits thereof" was invented by Christian Loane (Carson City, Nev.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A portable detection kit for identifying the presence of narcotic compounds (NCs) includes at least one chemical dye, a catalytic reagent, at least one solvent, and a least one surfactant. The at least one dry chemical dye is configured to undergo physic-chemical interaction with at least one predetermined NC to produce a color visible change. The at least one predetermined NC is selected from the group consisting of fen...