ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,506, issued on May 6, was assigned to KOEI CHEMICAL COMPANY Ltd. (Chiba, Japan).

"Method for producing amidate compound, and amidate compound" was invented by Motoyoshi Miyagi (Chiba, Japan), Mitsuki Onoda (Chiba, Japan) and Shingo Nitta (Chiba, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing an amidate compound represented by Formula (4), comprising reacting an iminium salt represented by Formula (1) and an organic compound represented by Formula (3), wherein Formulas (1), (3), and (4) are as defined in the description."

The patent was filed on Sept. 27, 2019, under Application No. 17/276,642.

*For further information,...