ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,221,547, issued on Feb. 11, was assigned to FUJIFILM Corp. (Tokyo).

"Active energy ray-curable ink and image recording method" was invented by Kenjiro Araki (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An active energy ray-curable ink including a radical polymerizable monomer, a radical polymerization initiator, a pigment, a pigment dispersing resin, an organic onium salt, and a radical polymerization inhibitor, wherein the content of the radical polymerization inhibitor is 0.05% to 5.0% by mass of the total amount of the active energy ray-curable ink and an image recording method."

The patent was filed on Sept. 14, 2022, under Appli...