US Patent Issued to Canon on Aug. 4 for "Core-shell particle, and toner" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,699,335, issued on Aug. 4, was assigned to Canon K.K. (Tokyo).

"Core-shell particle, and toner" was invented by Kenji Ookubo (Shizuoka, Japan), Keisuke Adachi (Tokyo) and Shintaro Noji (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A core-shell particle includes a core, and a shell on a surface of the core. The core includes a crystalline release agent. A value of a sum of a number-average value of Feret diameter of the core-shell particle and a standard deviation of the Feret diameter of the core-shell particle is 20 to 500 nm. The shell comprises an organosilicon polymer. In a differential scanning calorimetric measurement of the core-...