18906767. TONER (CANON KABUSHIKI KAISHA)
TONER
Organization Name
Inventor(s)
RYUICHIRO Matsuo of Ibaraki JP
TONER
This abstract first appeared for US patent application 18906767 titled 'TONER
Original Abstract Submitted
A toner including a toner particle, a composite particle present on a surface of the toner particle, and a spherical silica fine particle. The composite particle includes a fine particle A containing an organic silicon compound as a binder component, and a fine particle B which is an inorganic fine particle. The fine particle B is present on a surface of the composite particle in a state where a part of the fine particle B is embedded in a surface of the fine particle A. The composite particle and the silica fine particle each have a predetermined particle diameter, proportions of bifunctional to tetrafunctional silicon atoms in the fine particle A satisfy predetermined requirements, and an average value of embedding ratios of the fine particle B to the fine particle A in the composite particle is 30% or greater and 90% or less.