US 12,436,478 B2
Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatus
Asafumi Fujita, Kanagawa (JP); Yukiaki Nakamura, Kanagawa (JP); and Masaru Takahashi, Kanagawa (JP)
Assigned to FUJIFILM Business Innovation Corp., Tokyo (JP)
Filed by FUJIFILM BUSINESS INNOVATION CORP., Tokyo (JP)
Filed on Aug. 26, 2021, as Appl. No. 17/412,458.
Claims priority of application No. 2021-086313 (JP), filed on May 21, 2021.
Prior Publication US 2022/0373918 A1, Nov. 24, 2022
Int. Cl. G03G 9/097 (2006.01); G03G 9/08 (2006.01); G03G 9/087 (2006.01); G03G 15/08 (2006.01); G03G 21/18 (2006.01)
CPC G03G 9/09775 (2013.01) [G03G 9/0819 (2013.01); G03G 9/0825 (2013.01); G03G 9/08755 (2013.01); G03G 15/0865 (2013.01); G03G 21/1814 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A toner for developing an electrostatic charge image, the toner comprising:
flat-shaped toner particles that include:
a non-vinyl polyester binder resin that is present in an amount in a range of from 50 mass % to 90 mass % relative to the mass of the entire toner particles;
a releasing agent;
a brilliant pigment that is a flat-shaped metal pigment; and
an aminocarboxylic acid compound that is contained in an amount of 1 ppm or more and 100 ppm or less relative to an entirety of the toner for developing an electrostatic charge image.