ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,419, issued on Sept. 30, was assigned to MISSOURI STATE UNIVERSITY (Springfield, Mo.).

"IR spectra matching systems and methods" was invented by Razib Iqbal (Springfield, Mo.), Keiichi Yoshimatsu (Springfield, Mo.) and Joshua Ellis (Springfield, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Spectra matching is widely used in various applications including the search for a spectrum of an unknown or subject material, chemical, or compound in an existing spectral database and quality control by means of comparing the spectra of products with standards. New systems and methods are described for identifying an unknown compound by calculating the si...