US Patent Issued on Sept. 1 for "Apparatus and method for non-contact detection of hydrocarbon and other fluorescence materials on a surface" (Indiana, Texas Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,983, issued on Sept. 1.

"Apparatus and method for non-contact detection of hydrocarbon and other fluorescence materials on a surface" was invented by Jianfeng Zhang (Sugar Land, Texas) and Jurgen Zach (Lafayette, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus and method for detecting certain materials on a surface using the fluorescence principle. The invention is suitable for materials that emit fluorescence when excited by high energy (short wavelength) visible light or ultraviolet light. The apparatus irradiates a surface to be monitored with excitation light. The light that returns from the surface is analyzed. Fluorescence in ...