US Patent Issued to Novelis on Sept. 29 for "Enhanced dross feedstock" (Canadian, American Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,485, issued on Sept. 29, was assigned to Novelis Inc..

"Enhanced dross feedstock" was invented by Don Allen Doutre (Kingston, Canada), Gary Richard Hay (Sydenham, Canada) and Jocelyn Rose Cracroft (Spokane, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The efficiency of roasting black dross can be improved by pre-processing the black dross before roasting. Black dross can be crushed and reconstituted into pellets having internal channels. The internal channels can be filled with additives designed to fully oxidize during a dross roasting process, enabling the internal channels to be open and gas to flow therethrough during a dross roasting p...