Patent · US Active

Toner, method for forming image, and image forming apparatus

US8852837B2 · kind B2 · utility

0Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 9, 2010
Grant dateOct 7, 2014
Priority date
Expiry dateMay 11, 2031

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/09708
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A toner includes toner base particles containing at least a binder resin, a coloring agent, and a release agent; and alumina fine particles whose phase angle (θ) is |80°| or less at an alternating current frequency of 1 to 10 kHz in an alternating current impedance method.

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