Boutiq Science Limited

New Zealand

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IPC Class
B22F 9/24 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions 1
B22F 9/26 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions using gaseous reductors 1
B22F 9/30 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using chemical processes with decomposition of metal compounds, e.g. by pyrolysis 1
B82Y 25/00 - Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance 1
B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites 1
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1.

Magnetic nanoparticles

      
Application Number 13140935
Grant Number 09330821
Status In Force
Filing Date 2009-12-21
First Publication Date 2012-01-19
Grant Date 2016-05-03
Owner BOUTIQ SCIENCE LIMITED (New Zealand)
Inventor
  • Tilley, Richard David
  • Cheong, Soshan
  • Ren, Jintian

Abstract

Methods for preparing magnetic nanoparticles comprising metal, metal carbide, metal nitride, metal sulfide, metal phosphide, metal oxide or a mixture thereof are disclosed. Methods for preparing magnetic nanoparticles having a core comprising metal, metal carbide, metal nitride, metal sulfide, metal phosphide, or a mixture thereof and a metal oxide shell are also disclosed. The methods comprise the solution-phase decomposition of a precursor at elevated temperature then exposure of the reaction mixture to an oxidizing medium, such as air.

IPC Classes  ?

  • C01G 49/00 - Compounds of iron
  • B22F 9/24 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
  • B22F 9/26 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions using gaseous reductors
  • B22F 9/30 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using chemical processes with decomposition of metal compounds, e.g. by pyrolysis
  • H01F 1/09 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials mixtures of metallic and non-metallic particlesMagnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metallic particles having oxide skin
  • H01F 1/33 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials mixtures of metallic and non-metallic particlesMagnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metallic particles having oxide skin
  • B82Y 25/00 - Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
  • B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
  • C01B 21/06 - Binary compounds of nitrogen with metals, with silicon, or with boron
  • C01B 31/30 - Carbides
  • C01G 49/06 - Ferric oxide [Fe2O3]
  • C01G 49/08 - Ferroso-ferric oxide [Fe3O4]
  • H01F 1/00 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties