US Patent Issued to 9449710 CANADA on Sept. 16 for "Process for recovering and reusing depolymerization catalyst" (Canadian Inventors)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,179, issued on Sept. 16, was assigned to 9449710 CANADA INC. (Terrebonne, Canada).

"Process for recovering and reusing depolymerization catalyst" was invented by Fares Essaddam (Bois-des-Filion, Canada), Hatem Essaddam (Sainte-Therese, Canada) and Ramzi Zarrougui (Sainte-Therese, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to the recovery of an alkoxide catalyst used in a process depolymerizing a polyester to form a diacid or diester and a diol. The present disclosure also relates to the recovery of an alkoxide catalyst used in a process depolymerizing polyethylene terephthalate to form dimethyl terephthalat...