US Patent Issued to SAKATA INX on Dec. 16 for "Aqueous inkjet ink composition, printed matter, and inkjet printing method" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,526, issued on Dec. 16, was assigned to SAKATA INX Corp. (Osaka, Japan).

"Aqueous inkjet ink composition, printed matter, and inkjet printing method" was invented by Yoichi Sato (Osaka, Japan), Kazuki Moriyasu (Osaka, Japan), Eri Ueda (Osaka, Japan) and Takaaki Sano (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aqueous inkjet ink composition including a pigment, an alkali-soluble resin, a surfactant, a water-soluble solvent, and water. The water-soluble solvent contains a solvent A having a boiling point of 100deg C. or more and 200deg C. or less at 1 atm and 4 or less carbon atoms and 2 or more hydroxy groups in a molecule, and a ...