ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,554, issued on June 30, was assigned to PROFILE PRODUCTS LLC (Buffalo Grove, Ill.).

"Delivery of bioactive molecules in protective coatings of surface layers of organically enhanced inorganic fertilizers" was invented by Jeffrey C. Burnham (Marco Island, Fla.), Sanford A. Siegel (Bradenton, Fla.) and Martin M. Topps (Winter Park, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention is directed to fertilizers and manufacturing methods using organically enhanced inorganic fertilizer granules that incorporate a coating of one or more layers containing a bioactive agent in a carrier. The bioactive agent may be an herbicide, pesticide, plant...