US Patent Issued to FUJIFILM Business Innovation on July 8 for "Method for producing pressure-responsive particles, method for producing printed material, method for producing sheet for producing printed material, and pressure-responsive particles" (Japanese Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,353,165, issued on July 8, was assigned to FUJIFILM Business Innovation Corp. (Tokyo).

"Method for producing pressure-responsive particles, method for producing printed material, method for producing sheet for producing printed material, and pressure-responsive particles" was invented by Kiyohiro Yamanaka (Kanagawa, Japan), Satoshi Kamiwaki (Kanagawa, Japan), Takeshi Iwanaga (Kanagawa, Japan), Sumiaki Yamasaki (Kanagawa, Japan) and Satoshi Inoue (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing pressure-responsive particles includes: adding an aggregating agent and a dispersion containing silica particles to a dispers...