US 12,287,607 B2
Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method
Shimpei Takagi, Kanagawa (JP); Sakae Takeuchi, Kanagawa (JP); Yuka Zenitani, Kanagawa (JP); Koji Sasaki, Kanagawa (JP); Yoshifumi Eri, Kanagawa (JP); and Mai Mochida, Kanagawa (JP)
Assigned to FUJIFILM Business Innovation Corp., Tokyo (JP)
Filed by FUJIFILM Business Innovation Corp., Tokyo (JP)
Filed on Apr. 25, 2022, as Appl. No. 17/728,966.
Claims priority of application No. 2021-156199 (JP), filed on Sep. 24, 2021.
Prior Publication US 2023/0095411 A1, Mar. 30, 2023
Int. Cl. G03G 9/097 (2006.01); G03G 9/08 (2006.01); G03G 9/087 (2006.01)
CPC G03G 9/09725 (2013.01) [G03G 9/0821 (2013.01); G03G 9/0827 (2013.01); G03G 9/08797 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An electrostatic charge image developing toner comprising:
toner particles; and
silica particles that are added to an exterior of the toner particles and contain a nitrogen element-containing compound containing a molybdenum element,
wherein in the silica particles, a ratio (Mo/Si) of Net intensity of the molybdenum element to Net intensity of a silicon element measured by X-ray fluorescence analysis is 0.035 or more and 0.35 or less.