US Patent Issued to Nano and Advanced Materials Institute on Feb. 17 for "Preparation of recycled polyethylene terephthalate pellets, and bottles formed therefrom" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,911, issued on Feb. 17, was assigned to Nano and Advanced Materials Institute Ltd. (Hong Kong, Hong Kong).

"Preparation of recycled polyethylene terephthalate pellets, and bottles formed therefrom" was invented by Xianqiao Liu (Hong Kong, Hong Kong), Wei Kong (Hong Kong, Hong Kong), Suqing Tan (Hong Kong, Hong Kong) and Pakming Hung (Hong Kong, Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for recycling polyethylene terephthalate, including obtaining flakes of polyethylene terephthalate which are re-polymerized using heat and/or a chain extender combined with an anti-yellowing agent to yield an average molecular weight of at leas...