Patent · US Expired

Magenta toner for electrophotography, magenta developer for electrophotography, and image forming method using the same

US6455215B1 · kind B1 · utility

6Cited by
4References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 9, 1998
Grant dateSep 24, 2002
Priority date
Expiry dateAug 3, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/092
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An electrophotographic magenta toner which comprises a binder resin and a colorant comprising (a) 0.5 to 15 parts by weight of C.I. Pigment Red 57:1 and (b) 0.5 to 15 parts by weight of C.I. Pigment Red 81 or C.I. Pigment Red 122, per 100 parts by weight of the toner. A magenta developer comprising the magenta toner, and a full color image forming method using the magenta toner or developer are also disclosed.

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