ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,207, issued on June 17, was assigned to FUJIFILM Corp. (Tokyo).
"Ink jet recording ink and ink jet recording method" was invented by Hiromichi Numazawa (Kanagawa, Japan), Daisuke Sasaki (Kanagawa, Japan) and Yusuke Sakai (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an ink jet recording ink containing a near-infrared absorbing colorant represented by Formula 1, a polymerizable monomer, a polymerization initiator, and a dispersant, in which a content of the polymerizable monomer is 50% by mass or more with respect to a total amount of the ink jet recording ink, and a difference between an SP value of the polymerizable mo...