Patent · US Expired

Toner process

US6849371B2 · kind B2 · utility

11Cited by
20References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 18, 2002
Grant dateFeb 1, 2005
Priority date
Expiry dateMar 4, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2391/06
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A surfactant-free toner process including coalescing by heating in water a coagulant, a polyester resin emulsion, a wax emulsion stabilized with said polyester emulsion and a colorant dispersion stabilized by said polyester emulsion.

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