US Patent Issued to SAKATA INX on Aug. 25 for "Aqueous inkjet ink composition and printed matter" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,003, issued on Aug. 25, was assigned to SAKATA INX Corp. (Osaka, Japan).

"Aqueous inkjet ink composition and printed matter" was invented by Satoshi Hirakawa (Osaka, Japan), Masahiro Ueki (Osaka, Japan), Yuya Watanabe (Osaka, Japan), Hiroyuki Konishi (Osaka, Japan) and Hirohito Maeda (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aqueous inkjet ink composition containing a pigment, an anionic group-containing resin, a resin emulsion, a surfactant, a water-soluble solvent, and water, in which a water-soluble solvent having a boiling point of at most 200deg C. under 1 atm accounts for at least 90 mass % of the water-soluble solvent; t...