ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,698, issued on Oct. 14, was assigned to Novamont S.P.A. (Novara, Italy).
"Process for the synthesis of 2,5-furandicarboxylic acid" was invented by Luigi Capuzzi (Novara, Italy) and Giuseppina Carotenuto (Novara, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is directed to a process for the synthesis of 2,5-furandicarboxylic acid (FDCA) comprising the steps of: (1) oxidising an aqueous solution of 5 hydroxymethylfurfural (HMF) in the presence of molecular oxygen, of a heterogeneous catalyst comprising ruthenium and of a strong base at a temperature above 100deg C., obtaining a reaction product in aqueous solution comprisi...