ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,912, issued on Nov. 11, was assigned to KOEI CHEMICAL COMPANY Ltd. (Sodegaura, Japan).

"Blocked polyisocyanate composition, heat-curable resin composition, cured product, and production method therefor" was invented by Motoyoshi Miyagi (Sodegaura, Japan) and Mitsuki Onoda (Sodegaura, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a blocked polyisocyanate composition comprising a blocked polyisocyanate compound and an amidate compound represented by the following Formula (2):wherein B, R4, R5, R6, R7, R8, R9, R10, and R11 are as defined in the specification."

The patent was filed on April 28, 2021, under Applicat...