ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,069, issued on June 24, was assigned to Government of the United States as Represented by the Secretary of the Army (Washington).

"Detoxifying light emitting device and use thereof" was invented by John M Landers (Riverton, N.J.), Hui Wang (Hanover, Md.) and Christopher J Karwacki (Churchville, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device is provided that can be rapidly decontaminated in response to exposure to toxic chemicals and biological materials. The device combines electroluminescence (EL) surfaces and panels with a reactive coating including a dye that acts to neutralize toxic chemical and biological materials. A current is ap...