ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,588, issued on Feb. 24, was assigned to NAN YA PLASTICS Corp. (Taipei, Taiwan).

"Polymer and manufacturing method thereof" was invented by Te-Chao Liao (Taipei, Taiwan), Jung-Jen Chuang (Taipei, Taiwan) and Tzu-Huan Wong (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A manufacturing method of a polymer includes the following steps. Terephthalic acid, butanediol, adipic acid, and carboxybenzene are used as raw materials to perform an esterification reaction to obtain a reactant. A catalyst is added to the reactant, and a polymerization reaction is performed."

The patent was filed on Dec. 22, 2022, under Application No. 18/086,656.

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