ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,316, issued on May 27, was assigned to Teknologian tutkimuskeskus VTT Oy (Espoo, Finland).

"Method of selectively catalytically reducing dinitrogen oxide, a method of extracting carbon dioxide, a method of detecting carbon dioxide, an apparatus, and use" was invented by Guillaume Genoud (Espoo, Finland) and Matti Reinikainen (Espoo, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to an example aspect of the present invention, there is provided a method of selectively catalytically reducing dinitrogen oxide present in a gaseous sample, comprising: providing a catalyst capable of reducing dinitrogen oxide; bringing the gaseous sample ...