ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,550,894, issued on Feb. 17, was assigned to DISCOVERY PURCHASER Corp. (Wilmington, Del.).

"Insecticidal formulation for vector and pest control with increased contact efficacy" was invented by Arnoldus Vermeer (Monheim, Germany), Peter Hertlein (Leichlingen, Germany), Sebastian Horstmann (Leverkusen, Germany), Volker Gutsmann (Langenfeld, Germany), Alexander Arlt (Cologne, Germany) and Robert Velten (Langenfeld, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein are insecticidal formulations for vector and pest control with increased contact efficacy, more particularly insecticidal active ingredient-matrix material particles and inse...