Patent · US Expired

Alteration of tesselated magnetic particles by fracture

US4171274A · kind A · utility

2Cited by
7References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 7, 1977
Grant dateOct 16, 1979
Priority date
Expiry dateJul 7, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/104
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A process of modification of magnetic toner for use in electrostatic development processes involving a magnetic toner without carrier is disclosed. The modified toner of the invention is effectively fused at lower temperatures. The toners of the invention are modified such that small portions of the surface are removed.

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