Patent · US Expired

Toner for developing electrostatic latent image

US6132920A · kind A · utility

3Cited by
10References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 1999
Grant dateOct 17, 2000
Priority date
Expiry dateNov 8, 2019

Classification

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

Abstract

The present invention relates to a toner comprising: PA1 toner particles containing a binder resin and a colorant; and PA1 an external addition agent that is admixed with the toner particles, the external addition agent comprising titanium oxide particles which are produced through a vapor-phase oxidizing method and has a number-average particle size of 0.1 to 0.7 .mu.m.

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