BR112012027791B8 - nanopartícula e processos para a produção de uma nanopartícula - Google Patents

nanopartícula e processos para a produção de uma nanopartícula Download PDF

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BR112012027791B8
BR112012027791B8 BR112012027791A BR112012027791A BR112012027791B8 BR 112012027791 B8 BR112012027791 B8 BR 112012027791B8 BR 112012027791 A BR112012027791 A BR 112012027791A BR 112012027791 A BR112012027791 A BR 112012027791A BR 112012027791 B8 BR112012027791 B8 BR 112012027791B8
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nanoparticle
nanoparticles
metal
ferromagnetic
production
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BR112012027791A
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BR112012027791A2 (pt
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Hendrik Reesink Bernard
Hoekstra Jacobus
Wilhelm Geus John
Wijnand Jenneskens Leonardus
Hildegardus Berben Pieter
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Basf Corp
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Publication of BR112012027791B8 publication Critical patent/BR112012027791B8/pt

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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
    • B22F9/26—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions using gaseous reductors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
    • B82B1/00—Nanostructures formed by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
    • A—HUMAN NECESSITIES
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    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00—Preparations for testing in vivo
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    • A61K49/1818—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles
    • A61K49/1821—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles
    • A61K49/1824—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles
    • A61K49/1827—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles having a (super)(para)magnetic core, being a solid MRI-active material, e.g. magnetite, or composed of a plurality of MRI-active, organic agents, e.g. Gd-chelates, or nuclei, e.g. Eu3+, encapsulated or entrapped in the core of the coated or functionalised nanoparticle
    • A61K49/183—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles having a (super)(para)magnetic core, being a solid MRI-active material, e.g. magnetite, or composed of a plurality of MRI-active, organic agents, e.g. Gd-chelates, or nuclei, e.g. Eu3+, encapsulated or entrapped in the core of the coated or functionalised nanoparticle having a (super)(para)magnetic core coated or functionalised with an inorganic material or being composed of an inorganic material entrapping the MRI-active nucleus, e.g. silica core doped with a MRI-active nucleus
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    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00—Preparations for testing in vivo
    • A61K49/06—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations
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    • A61K49/1821—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles
    • A61K49/1824—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles
    • A61K49/1827—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles having a (super)(para)magnetic core, being a solid MRI-active material, e.g. magnetite, or composed of a plurality of MRI-active, organic agents, e.g. Gd-chelates, or nuclei, e.g. Eu3+, encapsulated or entrapped in the core of the coated or functionalised nanoparticle
    • A61K49/1851—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles having a (super)(para)magnetic core, being a solid MRI-active material, e.g. magnetite, or composed of a plurality of MRI-active, organic agents, e.g. Gd-chelates, or nuclei, e.g. Eu3+, encapsulated or entrapped in the core of the coated or functionalised nanoparticle having a (super)(para)magnetic core coated or functionalised with an organic macromolecular compound, i.e. oligomeric, polymeric, dendrimeric organic molecule
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    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
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    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
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    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/26—Deposition of carbon only
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    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
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Abstract

nanopartícula, e, processo para a produção de uma nanopartícula. a invenção diz respeito à nanopartículas que compreendem nanocristais ferromagnéticos metálicos combinados com carbono amorfo ou grafítico em que ou no qual químicos estão presentes que podem dissociar-se em soluções aquosas. de acordo com a invenção são fornecidas nanopartículas que compreendem partículas metálicas de pelo menos um metal ferromagnético, partículas metálicas estas que são pelo menos em parte encapsuladas pelo carbono grafítico. as nanopartículas da invenção são preparados pela impregnação de carbono que contém corpos com uma solução aquosa de pelo menos um percursor de metal ferromagnético, secar os corpos impregnados, seguido pelo aquecimento dos corpos impregnados em uma atmosfera inerte e substancialmente isenta de oxigênio, reduzindo deste modo os compostos metálicos ao metal ou liga metálica correspondente.
BR112012027791A 2010-04-29 2011-04-29 nanopartícula e processos para a produção de uma nanopartícula BR112012027791B8 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP10161530A EP2383374A1 (en) 2010-04-29 2010-04-29 Nano-particles containing carbon and a ferromagnetic metal or alloy
PCT/NL2011/050296 WO2011136654A1 (en) 2010-04-29 2011-04-29 Nano-particles containing carbon and a ferromagnetic metal or alloy

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BR112012027791A2 BR112012027791A2 (pt) 2017-03-14
BR112012027791B8 true BR112012027791B8 (pt) 2020-04-22

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US (2) US20130157055A1 (pt)
EP (2) EP2383374A1 (pt)
JP (1) JP5995837B2 (pt)
KR (1) KR101931823B1 (pt)
CN (2) CN103038401A (pt)
BR (1) BR112012027791B8 (pt)
CA (1) CA2797869C (pt)
MX (1) MX2012012597A (pt)
RU (1) RU2567620C2 (pt)
WO (1) WO2011136654A1 (pt)

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ES2582283T3 (es) 2011-08-10 2016-09-12 Magforce Ag Dispositivo médico que comprende aglomerados de nanopartículas magnéticas recubiertas con alcoxisilano
EP2578539B1 (en) * 2011-10-06 2014-08-27 Karlsruher Institut für Technologie Carbon encapsulated metal oxide nanocomposite, method for its preparation and its use in Li-ion batteries
US9283619B2 (en) 2011-11-03 2016-03-15 Baker Hughes Incorporated Polarizable nanoparticles comprising coated metal nanoparticles and electrorheological fluid comprising same
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RU2567620C2 (ru) 2015-11-10
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CA2797869A1 (en) 2011-11-03
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US20130157055A1 (en) 2013-06-20
BR112012027791A2 (pt) 2017-03-14
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US20170216925A1 (en) 2017-08-03

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