Patent · US Expired

Magnetic carrier particles for electrophotographic developer having plated layer of iron oxide

US4816364A · kind A · utility

10Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 3, 1987
Grant dateMar 28, 1989
Priority date
Expiry dateSep 3, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2998
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The present invention is intended to provide a carrier to be used as a two-component developer, wherein a nuclide particle surface has a magnetic plated layer composed of an iron oxide. The carrier according to the present invention is to be used in the electrophotographic method, electrostatic recording method, and electrostatic printing method, and also provides an excellent developer which is lightweight and has a long service life.

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