ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,217,502, issued on Feb. 4, was assigned to Microsoft Technology Licensing LLC (Redmond, Wash.).

"Atmospheric chemical species detection using multispectral imaging" was invented by Sara Malvar Maua (Sao Paulo), Leonardo De Oliveira Nunes (Rio de Janeiro, Brazil), Roberto De Moura Estevao Filho (Teresopolis, Brazil), Yagna Deepika Oruganti (Houston) and Anirudh Badam (Issaquah, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for optically detecting a subject chemical species within an atmospheric environment are disclosed. Image data is obtained representing multispectral imagery of a geographic region captured through the atmospheric envi...