US Patent Issued to Evonik Oxeno on March 31 for "Electrochemical process for production of tetraalkyl 1,2,3,4-butanetetracarboxylates" (German Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,375, issued on March 31, was assigned to Evonik Oxeno GmbH & Co. KG (Marl, Germany).

"Electrochemical process for production of tetraalkyl 1,2,3,4-butanetetracarboxylates" was invented by Michael Grass (Haltern am See, Germany), Johannes Kraft (Offenbach, Germany), Michael van Eickels (Recklinghausen, Germany), Sebastian Arndt (Ginsheim Gustavsburg, Germany), Carl-Friedrich Hoppe (Gruendau, Germany), Stephan Becker (Marl, Germany) and David Sascha Bremer (Recklinghausen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrochemical process produces tetraalkyl 1,2,3,4-butanetetracarboxylates having alkyl groups with 1 to 6 carbon atoms. ...