ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,709,693, issued on Aug. 18, was assigned to SEIKO EPSON Corp. (Japan).
"Set and ink jet recording method" was invented by Akiko Yamada (Shiojiri, Japan), Ryota Miyasa (Matsumoto, Japan) and Tasuku Nakamura (Matsumoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A set according to an embodiment of the present disclosure includes a treatment solution composition that contains particles containing organopolysiloxane, and water, an ink jet ink composition that contains a pigment and water, and a reaction solution that contains an aggregating agent causing aggregation of a component of the ink jet ink composition, and water. A relation between a sta...