US Patent Issued to Basell Poliolefine Italia on Sept. 22 for "Plastic depolymerization using silica based catalysts" (American, Italian Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,122, issued on Sept. 22, was assigned to Basell Poliolefine Italia S.r.l. (Milan).

"Plastic depolymerization using silica based catalysts" was invented by Diego Brita (Ferrara, Italy), Simona Guidotti (Ferrara, Italy), Dario Liguori (Ferrara, Italy), Francesco Menichelli (Ferrara, Italy), Sandor Nagy (Seabrook, Texas) and Noel C. Hallinan (Loveland, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for depolymerizing plastic waste including the steps of: a) providing a melt plastic waste feedstock made from or containing recycled polypropylene and polyethylene; and b) subjecting the melt product obtained in (a) to a temperature ranging ...