ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,417, issued on Dec. 2, was assigned to FUJIFILM SPECIALITY INK SYSTEMS Ltd. (Broadstairs, Great Britain).
"Inkjet ink" was invented by Jeremy Ward (Broadstairs, Great Britain), Matthew Kite (Broadstairs, Great Britain) and Sarah Canning (Broadstairs, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides an inkjet ink comprising: 5-40% by weight of an N-vinyl monomer selected from N-vinyl caprolactam, N-vinyl pyrrolidone, N-vinyl piperidone, N-vinyl carbazole, N-vinyl formamide, N-vinyl indole, N-vinyl imidazole, N-vinyl acetamide, and mixtures thereof, based on the total weight of the ink; one or more difunctiona...