Patent · US Expired

Toner compositions with ammonium sulfate charge enhancing additives

US4560635A · kind A · utility

289Cited by
12References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 30, 1984
Grant dateDec 24, 1985
Priority date
Expiry dateAug 30, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/09741
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Disclosed in the present application are toner compositions comprised of resin particles, pigment particles, and a sulfate charge enhancing additive selected from the group consisting of distearyl dimethyl ammonium methyl sulfate, and behenyl trimethyl ammonium methyl sulfate.

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