Patent · US Expired

Toner and developer compositions with charge enhancing additives

US5045423A · kind A · utility

5Cited by
5References
37Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 1, 1990
Grant dateSep 3, 1991
Priority date
Expiry dateJun 1, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S524/904
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A toner composition comprised of resin particles, pigment particles, and bis-(distearyldimethylammonium)sulfate.

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