ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,585, issued on Sept. 15, was assigned to SEIKO EPSON Corp. (Japan).

"Dispersant-containing liquid and dispersion" was invented by Nikako Tsukiji (Matsumoto, Japan), Hiroshi Ito (Matsumoto, Japan), Koichi Terao (Suwa, Japan), Harunobu Komatsu (Matsumoto, Japan) and Hajime Kakishita (Shiojiri, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dispersion of the present disclosure includes a polyester functioning as a dispersant, water, and a dispersoid, and the polyester includes, as a monomer component, a first monomer having an aromatic ring on a side chain and a second monomer having at least one selected from the group consisting of a carboxy...