US Patent Issued to FUJIFILM on Dec. 2 for "Textile printing ink set and textile printing method" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,422, issued on Dec. 2, was assigned to FUJIFILM Corp. (Tokyo).

"Textile printing ink set and textile printing method" was invented by Masao Ikoshi (Kanagawa, Japan), Ryoichi Nakano (Kanagawa, Japan), Shota Suzuki (Kanagawa, Japan), Shinichiro Sekine (Kanagawa, Japan) and Shohei Kataoka (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a textile printing ink set including a pretreatment liquid including a quaternary ammonium cation having a molecular weight of 3000 or less, and an ink composition including a water-insoluble dye, a dispersing agent, and water, wherein a content of the quaternary ammonium cation relative to a ...