Patent · US Expired

Electrophotographic developer comprising resin coated carrier

US5240804A · kind A · utility

0Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 26, 1991
Grant dateAug 31, 1993
Priority date
Expiry dateJul 26, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/1133
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The present invention provides an electrophotographic developer comprising (i) a toner containing a fixing resin in which the content of an acrylic component is limited to a predetermined range, or a toner of which surface dye density is limited to a predetermined range, and (ii) a carrier coated with a coating resin containing, as an acrylic component, dodecyl methacrylate or 2-hydroxyethyl acrylate. In the electrophotographic developer of the present invention, the electric charging characteristics are always stable.

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