Patent · US Active

Magnetic iron oxide nanopowder and process for producing the same

US10099941B2 · kind B2 · utility

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9Claims
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Key dates

Filing dateJun 18, 2015
Grant dateOct 16, 2018
Priority date
Expiry dateJun 18, 2035

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01P2006/42
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A magnetic σ-form iron oxide nanopowder is a novel magnetic iron oxide nanopowder having magnetic polarization and spontaneous electric polarization and having physical properties similar to those of half-metals; and a process produces the magnetic nanopowder. The magnetic powder has a composition represented by Fe2O3 and has a crystal structure belonging to the monoclinic system.

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