Patent · US Expired

Magnetic particles for magnetic toner

US5328793A · kind A · utility

6Cited by
4References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 13, 1992
Grant dateJul 12, 1994
Priority date
Expiry dateOct 13, 2012

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/0838
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Disclosed herein are magnetic particles for a magnetic toner containing a low-molecular binder resin having a weight-average molecular weight of not more than 150,000, said magnetic particles comprising particulate magnetic particles containing iron as the main ingredient and having an oil absorption of not more than 24 ml/100 g and a degree of compaction of not less than 56, and a magnetic toner containing the said magnetic particles.

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