US Patent Issued to Aalto University Foundation sr on July 22 for "Cellulose-based derivatives as chemical aids for mineral enrichment in froth flotation" (Finnish Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,364,992, issued on July 22, was assigned to Aalto University Foundation sr (Aalto, Finland).

"Cellulose-based derivatives as chemical aids for mineral enrichment in froth flotation" was invented by Ted Nuorivaara (Aalto, Finland) and Rodrigo Serna Guerrero (Aalto, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "Frother composition and method of concentrating minerals by flotation. The method comprises providing an aqueous slurry formed by the minerals in finely divided form in water; optionally adding a collector to render the mineral hydrophobic; subjecting the slurry thus obtained to flotation in a flotation cell aerated to form bubbles; and re...