ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,404, issued on Aug. 5, was assigned to TOYOBO MC Corp. (Osaka, Japan).

"Modified copolymerized polyester resin and water dispersion thereof" was invented by Hirotoshi Kizumoto (Shiga, Japan), Kenji Kashihara (Hyogo, Japan) and Ryouhei Yamane (Shiga, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "[Problem] The present invention aims to provide a high-molecular-weight modified copolymerized polyester resin that has a reactive functional group at a site other than the terminals of the molecular chain thereof, has an excellent reactivity with a curing agent (such as an epoxy resin or an isocyanate compound), and can be used to form an organic-solve...