US Patent Issued to Ricoh on April 15 for "Printing method, printing device, printed matter, and set of processing fluid and ink" (Japanese Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,855, issued on April 15, was assigned to Ricoh Co. Ltd. (Tokyo).

"Printing method, printing device, printed matter, and set of processing fluid and ink" was invented by Tomohiro Hirade (Kanagawa, Japan), Toshiyuki Kobashi (Tokyo) and Makoto Kuronuma (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A printing method contains applying a processing fluid to a fabric and applying an ink to the fabric to which the processing fluid has been applied, wherein the ink contains a pigment, a resin having a cross-linkable functional group, a pH regulator, and at least one member selected from a block isocyanate compound, a carbodiimide compound, a...