Patent · US Active

Toner and method of producing toner

US10146146B2 · kind B2 · utility

34Cited by
54References
7Claims
0Family size

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Inventors

Key dates

Filing dateApr 24, 2017
Grant dateDec 4, 2018
Priority date
Expiry dateApr 24, 2037

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/09725
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A toner comprising a toner particle containing a binder resin, a wax, and inorganic fine particles, wherein the binder resin contains a crystalline polyester resin and an amorphous polyester resin, and, in a cross section of the toner particle, when Sc represents an area taken up by the crystalline polyester resin and S1 represents an area taken up by the inorganic fine particles that are present in the crystalline polyester resin portion, Sc and S1 satisfy the relationship S1/Sc≥0.2.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.