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 date | Jun 18, 2015 |
| Grant date | Oct 16, 2018 |
| Priority date | — |
| Expiry date | Jun 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.