US Patent Issued to Chempet S.r.I on Sept. 15 for "Process for producing bis(2-hydroxyethyl) terephthalate in liquid form by depolymerization of polyethylene terephthalate (PET)" (Italian Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,551, issued on Sept. 15, was assigned to Chempet S.r.I (Cerano, Italy).

"Process for producing bis(2-hydroxyethyl) terephthalate in liquid form by depolymerization of polyethylene terephthalate (PET)" was invented by Guido Fragiacomo (Novara, Italy), Gabriele Nipoti (Tromello, Italy) and Gianluigi Noja (Novara, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described in a process for producing bis(2-hydroxyethyl) terephthalate (BHET) in liquid form by depolymerization of polyethylene terephthalate (PET), wherein BHET obtained from depolymerization by glycolysis with monoethylene glycol (MEG) is purified and subsequently crystallized by coolin...