ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,840, issued on Aug. 25, was assigned to UBE Corp. (Yamaguchi, Japan).
"Method for manufacturing aromatic nitrile compound" was invented by Masaki Nagahama (Chiyoda-ku, Japan), Hideki Oomiya (Zaventem, Belgium), Daiki Okado (Chiyoda-ku, Japan) and Hirotsugu Taniike (Chiyoda-ku, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a method for industrially producing a highly pure aromatic nitrile compound and a highly pure aromatic carboxylic acid compound safely and highly efficiently at low costs. Compound (2) is subjected to Willgerodt reaction in the presence of an additive as necessary, and the obtained amide compou...