ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,013, issued on May 12, was assigned to ARCHER- DANIELS-MIDLAND COMPANY (Decatur, Ill.).
"Purification of 2,5-furandicarboxylic acid, dimethyl ester and other esterified products" was invented by Iman Beheshti Tabar (Decatur, Ill.), Kenneth F. Stensrud (Decatur, Ill.) and William Christopher Hoffman (Decatur, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods are disclosed for the purification of crude compositions comprising 2,5-furandicarboxylic acid, dimethyl ester (FDME) or other diester derivatives (e.g., dialkyl ester derivatives) of 2,5-furandicarboxylic acid (FDCA), by crystallization. In this regard, certain solvents, and classes of ...