ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,709,691, issued on Aug. 18, was assigned to SEIKO EPSON Corp. (Japan).
"Ink jet ink composition and recording method" was invented by Keigo Ando (Matsumoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aqueous ink jet ink composition contains first resin particles formed from a resin other than a polyolefin-based resin and second resin particles formed from a polyolefin-based resin, the ink jet ink composition is used by a recording apparatus which has, at an inside of an ink supply path to supply an ink jet ink composition to an ink jet head, a portion in which members are pushed to each other by an external force, and as the second resin pa...