ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,233, issued on Nov. 18.
"Article made of conglomerate material and method for manufacturing such article" was invented by Luca Toncelli (Bassano del Grappa, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "Article made of conglomerate material in the form of a slab including an aggregate which includes granules of expanded material having a selected particle size range and defining between them inter-granular cavities containing only air and no filling material. The aggregate also includes a binder present in a controlled minimum quantity sufficient for lining the granules of expanded material. The article also includes a lining layer integral w...