Patent · US Active

Toner

US11003103B2 · kind B2 · utility

4Cited by
46References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 3, 2019
Grant dateMay 11, 2021
Priority date
Expiry dateDec 3, 2039

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/08797
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A toner including: a toner particle that includes a binder resin and a crystalline material, wherein the binder resin includes a vinyl resin having an ether structure, and where intensities of secondary ion mass/secondary ion charge number (m/z) of 59, 44, and 135 are denoted by A (ppm), B (ppm), and C (ppm), respectively, in a measurement of the toner by time-of-flight secondary ion mass spectrometry, the intensities at 100 nm from the surface of the toner satisfy the relationships of the following formulas (1) and (2): C/(A+B)≤1.00  (1)(A+B)≥2000  (2).

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