ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,579, issued on May 26, was assigned to FUJIFILM Corp. (Tokyo).
"Ink-jet ink, ink set, and image-recording method" was invented by Masao Ikoshi (Kanagawa, Japan) and Taiga Mizoe (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are an ink jet ink, an ink set, and an image recording method, in which an image with an excellent covering property can be recorded and abrasion deterioration of an ink jet head can be suppressed. The ink jet ink is an ink jet ink including water, titanium dioxide particles, and a silicon compound, in which an average primary particle diameter of the titanium dioxide particles is 100 nm or greater, the s...