ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,779, issued on Aug. 11, was assigned to Chempet S.r.l. (Cerano, Italy).
"Process for depolymerizing polyethylene terephthalate (PET) by glycolysis with ethylene glycol, and plant for carrying out the same" was invented by Guido Fragiacomo (Novara, Italy), Gianluigi Noja (Novara, Italy), Devis Luigi Mazzucco (Vigevano, Italy) and Marco Casarotti (Galliate, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process for depolymerizing a polyethylene terephthalate (PET) by glycolysis with ethylene glycol (EG) is described. Also described is a plant for carrying out the process. The PET is first mixed in the solid state with EG at a temperature of 60...