Patent · US Expired

Magnetite toner processes

US6656658B2 · kind B2 · utility

39Cited by
19References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 25, 2002
Grant dateDec 2, 2003
Priority date
Expiry dateMay 3, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/08782
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A toner process comprising heating an acidified dispersion of an acicular magnetite, a carbon black colorant dispersion, an optional wax dispersion, and an acicular latex.

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