Patent · US Expired

Toner and processes thereof

US5288580A · kind A · utility

3Cited by
11References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 23, 1991
Grant dateFeb 22, 1994
Priority date
Expiry dateDec 23, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/09783
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A process for the preparation of toner compositions with excellent humidity characteristics and comprised of resin particles, and pigment particles which comprises adding thereto metal oxide particles surface treated with a metal salt complex charge enhancing additive.

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