ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,635, issued on June 3, was assigned to MITSUBISHI GAS CHEMICAL COMPANY INC. (Chiyoda-ku, Japan).
"Method for producing aromatic aminomethyl" was invented by Keisuke Tomaki (Kanagawa, Japan) and Shinyou Shirai (Okayama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing an aromatic aminomethyl, comprising hydrogenating an aromatic nitrile in an organic solvent comprising a polar organic solvent having a solubility parameter (SP value) of 9 or more in the presence of a quaternary ammonium compound, at least one metal hydroxide selected from the group consisting of an alkali metal hydroxide and an alkaline earth metal hydroxide,...