US Patent Issued to Covestro Deutschland, Lanxess Deutschland on March 17 for "Method for the hydrogenation of aromatic nitro compounds" (German Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,194, issued on March 17, was assigned to Covestro Deutschland AG (Leverkusen, Germany) and Lanxess Deutschland GmbH (Cologne, Germany).

"Method for the hydrogenation of aromatic nitro compounds" was invented by Lennart Sandbrink (Langenfeld, Germany), Bernd Pennemann (Bergisch Gladbach, Germany), Eberhard Zirngiebl (Cologne, Germany), Martina Gerdinand (Bergisch Gladbach, Germany), Hans-Jurgen Quella (Leverkusen, Germany), Daniel Ullrich (Monheim am Rhein, Germany) and Marc Williams (Cologne, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a process for the preparation of an aromatic amine by hydrogenation of...