ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,604, issued on Dec. 30, was assigned to SAKATA INX Corp. (Osaka, Japan).
"Photocurable aqueous ink composition for inkjet printing" was invented by Okinori Nakashima (Osaka, Japan), Jun Kinjoh (Osaka, Japan) and Daigo Shiozaki (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a photocurable aqueous ink composition for inkjet printing that is excellent in all aspects including miscibility when components excluding pigments and pigment dispersants are mixed, curability during printing, adhesion property and water resistance of a printed coating film. As a solution, provided is a photocurable ...