Patent · US Expired

Two-component developer, and image forming apparatus and image forming method using the developer

US6593048B2 · kind B2 · utility

50Cited by
45References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 22, 2001
Grant dateJul 15, 2003
Priority date
Expiry dateOct 22, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/1139
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A two-component developer includes at least a magnetic toner and a magnetic carrier. The magnetic toner has magnetic particles coated with a carbon black layer. The magnetic toner adheres to the magnetic carrier due to the magnetic interaction.

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