US 12,326,692 B2
Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge
Tomoaki Tanaka, Kanagawa (JP); Yukiaki Nakamura, Kanagawa (JP); and Ryutaro Kembo, Kanagawa (JP)
Assigned to FUJIFILM Business Innovation Corp., Tokyo (JP)
Filed by FUJIFILM Business Innovation Corp., Tokyo (JP)
Filed on Jan. 27, 2022, as Appl. No. 17/586,731.
Claims priority of application No. 2021-154744 (JP), filed on Sep. 22, 2021.
Prior Publication US 2023/0105118 A1, Apr. 6, 2023
Int. Cl. G03G 9/097 (2006.01); C09B 47/30 (2006.01); G03G 9/08 (2006.01); G03G 9/087 (2006.01); G03G 9/09 (2006.01); G03G 15/08 (2006.01)
CPC G03G 9/0926 (2013.01) [C09B 47/30 (2013.01); G03G 9/0821 (2013.01); G03G 9/08711 (2013.01); G03G 9/0902 (2013.01); G03G 9/0918 (2013.01); G03G 15/0865 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An electrostatic charge image developing toner comprising:
a toner particle that contains a silicon phthalocyanine dye and a zirconium oxide particle,
wherein a content of the silicon phthalocyanine dye is 2% by mass or greater and 20% by mass or less with respect to a total mass of the toner particles, and
a content ratio of the zirconium oxide particle to the silicon phthalocyanine dye is 0.00015 or greater and 0.075 or less.