Patent · US Expired

Toner processes

US6656657B2 · kind B2 · utility

34Cited by
17References
39Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 25, 2002
Grant dateDec 2, 2003
Priority date
Expiry dateJun 26, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/0839
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A toner process comprising mixing an acidified dispersion of an acicular magnetite with an anionic latex, an anionic carbon black dispersion, and an anionic wax dispersion.

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