18885366. TONER (CANON KABUSHIKI KAISHA)
TONER
Organization Name
Inventor(s)
YOSHIAKI Shiotari of Shizuoka JP
TONER
This abstract first appeared for US patent application 18885366 titled 'TONER
Original Abstract Submitted
A toner comprising a toner particle comprising a binder resin, wherein the toner particle comprises a toner base particle and a silicon polymer composite present at a surface of the toner base particle, the silicon polymer composite comprises a silicon polymer and a specific metal atom, and when, in X-ray photoelectron spectroscopy on the toner, a ratio of the number of the specific metal atom is defined as ME and a ratio of the number of the silicon atom is defined as SiE, and when, in an EDS mapping image of constituent elements in a cross section of the toner, a ratio of the number of the specific metal atom to a sum of the number of the silicon atom and the specific metal atom in a region outside a contour of the toner base particle is defined as MX, ME, SiE, and MX satisfy a specific relationship.