US Patent Issued to SEIKO EPSON on Sept. 22 for "Aqueous ink jet ink composition and ink jet recording method" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,086, issued on Sept. 22, was assigned to SEIKO EPSON Corp. (Japan).

"Aqueous ink jet ink composition and ink jet recording method" was invented by Keisuke Morita (Shiojiri, Japan) and Kunihiro Fujita (Shiojiri, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aqueous ink jet ink composition includes a coloring material, a betaine, an acetylene glycol-based surfactant, and a water-soluble urethane resin."

The patent was filed on Sept. 28, 2023, under Application No. 18/476,532.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPT...