ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,438, issued on April 21, was assigned to Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO ('s-Gravenhage, Netherlands).

"Melt pyrolysis of hydrocarbon feedstock containing nitrogen and/or hydrogen sulphide" was invented by Rajat Bhardwaj ('s-Gravenhage, Netherlands), Earl Lawrence Vincent Goetheer ('s-Gravenhage, Netherlands) and Marco Johannes Gerardus Linders ('s-Gravenhage, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method for molten metal pyrolysis of a feed comprising hydrocarbons and nitrogen and/or hydrogen sulphide to produce solid carbon and one or more of liquid...