ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,903, issued on Sept. 16, was assigned to The Government of the United States of America, represented by the Secretary of Homeland Security (Washington).

"Pseudo narcotic training device" was invented by Kristine K. Tanabe (Chino Hills, Calif.), Randall G. Mattoon (Keller, Texas), Jason S. Kropiewnicki (Stephenson, Va.) and Jonathan G. McGrath (Kingwood, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An example is directed to a pseudo narcotic propionic acid (PA) formulation including a propionic acid; a synthetic silicon dioxide; and a microcrystalline cellulose (MCC). The pseudo narcotic PA may further include at least one of: phenethyl chlo...