US 12,105,472 B2
Carrier for forming electrophotographic image, developing agent for forming electrophotographic image, method of forming electrophotographic image, electrophotographic image forming apparatus, and process cartridge
Kento Takeuchi, Shizuoka (JP); Masashi Nagayama, Shizuoka (JP); Tohru Suganuma, Shizuoka (JP); and Tomomi Suzuki, Shizuoka (JP)
Assigned to Ricoh Company, Ltd., Tokyo (JP)
Filed by Kento Takeuchi, Shizuoka (JP); Masashi Nagayama, Shizuoka (JP); Tohru Suganuma, Shizuoka (JP); and Tomomi Suzuki, Shizuoka (JP)
Filed on May 31, 2023, as Appl. No. 18/326,888.
Claims priority of application No. 2022-091090 (JP), filed on Jun. 3, 2022.
Prior Publication US 2023/0393491 A1, Dec. 7, 2023
Int. Cl. G03G 15/08 (2006.01); G03G 9/00 (2006.01); G03G 9/113 (2006.01)
CPC G03G 9/113 (2013.01) [G03G 15/08 (2013.01); G03G 15/0818 (2013.01); G03G 2215/0607 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A carrier for forming an electrophotographic image comprising:
a core particle; and
a coating layer coating the core particle,
wherein the coating layer comprises a particle comprising antimony and an anionic dispersant and the particle comprising antimony comprises a substrate particle comprising a first inorganic fine particle, and
wherein the particle comprising antimony comprises diantimony pentoxide.