Patent · US Expired

Electrophotographic toner and development process with improved charge to mass stability

US7314696B2 · kind B2 · utility

4Cited by
72References
31Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 13, 2001
Grant dateJan 1, 2008
Priority date
Expiry dateJun 13, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/09725
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Toners and developers are disclosed. The toner of the present invention contains at least one toner resin, at least one charge control agent, at least one surface treatment agent, and optionally at least one release agent and/or colorant. The toners of the present invention have excellent triboelectric stability over a wide range of temperatures and relative humidity environmental conditions. Further, the toners of the present invention have excellent charge to mass stability over long periods of time. Development systems and methods for developing electrostatic images with toner are further disclosed.

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