ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,912, issued on July 8, was assigned to PUNGHAN INDUSTRY Co. LTD. (Seoul, South Korea).

"Flooring material using pozzolan and manufacturing method thereof" was invented by Ho Joon Bae (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a flooring material including: a base material layer as a stone plastic composite (SPC) core; a color film layer formed on top of the base material layer to provide a given color and pattern; a wear layer formed on top of the color film layer to provide a corrosion resistance; a UV resistant layer formed on top of the wear layer to provide surface protection; and a pad lay...