Patent · US Expired

Electroconductive iron oxide particles

US4917952A · kind A · utility

20Cited by
3References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 26, 1988
Grant dateApr 17, 1990
Priority date
Expiry dateSep 26, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2993
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Disclosed herein are electroconductive iron oxide particles having a volume resistivity less than 5.times.10.sup.6 .OMEGA.-cm, and comprising iron oxide particles selected from hematite and maghemite, and SnO.sub.2 particles containing Sb as a solid solution deposited on the surfaces of the iron oxide particles, and a process for producing the same.

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