ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,572, issued on Sept. 30, was assigned to KYOCERA Document Solutions Inc. (Osaka, Japan).
"Inkjet ink" was invented by Miyuki Hara (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An inkjet ink contains a pigment, urethane resin particles, polyolefin resin particles, dipropylene glycol monomethyl ether, propylene glycol, and water. The urethane resin particles have a percentage content of at least 2.5% by mass and no greater than 9.0% by mass. The polyolefin resin particles have a percentage content of at least 2.5% by mass and no greater than 9.0% by mass. The dipropylene glycol monomethyl ether has a percentage content of at least 4.0%...