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WO/2009/084680A1 |
The purpose of this object is to provide a gold nanoparticle composition which can more easily pass through a small hole in vivo than rod-shaped gold nanoparticles and is usable as a self-heating energy receptor. The gold nanoparticle co...
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WO/2009/084645A1 |
Disclosed is a copper powder which has a good balance between oxidation resistance and electrical conductivity in spite of having a small grain size. Also disclosed is a copper powder for use in an electrically conductive paste, which is...
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WO/2009/084781A1 |
Provided is a device for manufacturing a large quantity of powder alloys for a rechargeable lithium secondary cell, wherein the powder alloys have silicon particles or tin particles, each having a particle size less than or equal to 100 ...
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WO/2009/085092A2 |
Metal and semiconductor nanoshells, particularly transition metal nanoshells, are fabricated using dendrimer molecules. Metallic colloids, metallic ions or semiconductors are attached to amine groups on the dendrimer surface in stabilize...
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WO/2009/080522A1 |
The invention refers to a preparation method for nano- or microcrystals of Au, Pd, Pt or Ag comprising the steps of: a) preparing an ionic liquid mixture of cellulose and at least one metal salt selected form the group consisting of Au, ...
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WO/2009/081386A2 |
A process for producing nanoparticles comprises the steps of preparing silver seeds in the presence of a water soluble polyanionic polymer and growing the silver seeds to form nanoparticles. The polyanionic polymer may be poly (sodium st...
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WO/2009/081978A1 |
Provided is a method for manufacturing a permanent magnet having an extremely high orientation by combining the crystal fractures of material powder having a more equal crystal azimuth relation in a magnetic field. In the method, a mater...
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WO/2009/077633A1 |
The invention relates to a method for preparing a nanostructured carbide of a transition metal from groups (IV), (V) and (Vl), comprising the following steps: (a) preparation of a solution of a salt of the transition metal; (b) lyophilis...
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WO/2009/075980A1 |
A metal powder production system includes a vacuum chamber having a vacuum chamber interior, a stock feed mechanism communicating with the vacuum chamber interior, a radiation source provided in the vacuum chamber interior, a cooling cha...
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WO/2009/072183A1 |
This invention provides a lead battery which can suppress the corrosion of a current collector and can realize enhanced output. In the lead battery, 18 polar plate groups are housed in an electric battery casing. In the polar plate group...
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WO/2009/068154A2 |
The invention relates to the use of an oxide dispersion strengthened Co powder as a binder in the manufacture of diamond tools by pressure sintering. The invention concerns a process for making oxide dispersion strengthened Co powder whe...
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WO/2009/063366A2 |
According to the invention, a metal composite can be produced by combining a first intermediate of nanoscale particles with a mean size d1 < 1 µm and one or more adjuncts and a powder of metal particles with a mean size d2 ≥ 1 µm. Ul...
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WO/2009/062769A1 |
The invention relates to a novel refractory metal powder, comprising less than 200 ppm metal impurities, having a homogenous distribution and being made of non-spherical particles with irregular, plate-like, needle-like or flake-like sha...
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WO/2009/063744A1 |
Disclosed is a method for producing metal nanowires wherein the lengths and the diameters are uniformly controlled. Also disclosed are metal nanowires excellent in uniformity of form, and a transparent conductor which uses such metal nan...
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WO/2009/060582A1 |
Disclosed is a method for producing an electrode material for fuel cells, which electrode material has excellent electrochemical catalytic activity and uses a non-carbon conductive oxide carrier having high durability. Specifically discl...
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WO/2009/060803A1 |
Disclosed is a method for obtaining copper fine particles, wherein an oxide, hydroxide or salt of copper is thermally reduced in a solution of ethylene glycol, diethylene glycol or triethylene glycol. In this method, the total halogen co...
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WO/2009/056401A1 |
The instant invention relates to easily isolable and re-dispersible transition metal nanoparticles, their manufacture and use as IR-absorbers, in particular in transparent thermoplastic or crosslinkable polymers. A further aspect of the ...
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WO/2009/055981A1 |
A nanometer iron powder specially used in conversion of electromagnetism energy is produced, wherein using critical particles cutting process of nanometer metal powder at 25°C~5°C temperature and setting the high frequency cutting time...
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WO/2009/055980A1 |
A process of preparing metal nanometer iron powder for magnetorheolodical technology includes the following steps: producing nanometer iron powder particles by incision preparing technique under temperature of - 5 to 20 centigrade with h...
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WO/2009/054453A1 |
The object is to provide: a silver microparticle-containing composition which has a uniform grain size, which can form a fine graphic pattern and which has light environmental load; a process for producing the composition; a process for ...
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WO/2009/051270A1 |
Disclosed is a metal nanoparticle having a core portion containing at least one metal element, and an organic compound adhered to the surface of the core portion. This metal nanoparticle is characterized in that the organic compound has ...
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WO/2009/052007A1 |
A process for obtaining tantalum powder from tantalum containing scrap material is provided. The process includes selecting source material, such as from sintered anodes for capacitors, hydriding the source material, milling to desired p...
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WO/2009/051254A1 |
Disclosed is a copper alloy powder having excellent oxidizability and electrical conductivity, whose sintering starting temperature can be set discretionally. This copper alloy powder enables low production cost, that is composed of the ...
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WO/2009/050344A2 |
The invention relates to a method for preparing nanoparticles of complex metal oxides, characterised in that it comprises the heating of metal ethanolates in ethanol in the absence of water, whereby the heating is performed uniformly by ...
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WO/2009/048983A2 |
A method of fabricating a device, comprising a ink or paste on a silicon based semiconductor material, wherein the ink or paste comprises a mixture of inorganic conductive and additive nanoparticles and wherein the semiconductor material...
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WO/2009/043323A1 |
The invention relates to a method for producing semi-finished products from a shape memory alloy, particularly a NiTi shape memory alloy, wherein first a powder is produced from a shape memory alloy, and subsequently the powder is divide...
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WO/2009/044389A2 |
An improved process for synthesising discrete high definition silver nanoparticles in large batch volumes. The method enables the reproducible production of silver.nanoparticles having a predetermined size, shape and surface chemistry. T...
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WO/2009/041398A1 |
Disclosed is an alloy for an Ni-W-B intermediate layer film which enables to obtain extremely good recording characteristics due to miniaturization of crystal grains when used as an intermediate layer of a perpendicular magnetic recordin...
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WO/2009/041274A1 |
A process for producing fine magnetic-substance particles. By the process, monodisperse fine magnetic-substance particles can be produced. The product is self-dischargeable and causes no clogging. The process does not necessitate a high ...
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WO/2009/041142A1 |
Provided is a laminated ceramic capacitor, which has a smoothed surface, and furthermore, an internal electrode which can surely eliminate electrode interruption. A conductive paste, a nickel powder or an alloy powder having nickel as a ...
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WO/2009/040479A1 |
Metal nanoparticles and methods for the production thereof. The novel nanoparticles having an average particle size of 1 to 10 nm and comprising at least one protective group bonded to metal, in particular copper particles, said group be...
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WO/2009/041338A1 |
A system (1) for producing an alloy which can produce a rare earth magnet having high coercive force comprises a unit (2) for casting alloy molten by split cast method, a shredder (21) for shredding cast alloy, a unit (3) for heat insula...
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WO/2009/038023A1 |
This invention provides a microstructured noble metal nanostructure having a multidimensional structure of a nanometer size comprising primary particles. The microstructured noble metal nanostructure is characterized in that it is in the...
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WO/2009/039401A2 |
Dispersed uniform spherical silver particles were prepared in the absence of a protective colloid by rapidly mixing concentrated iso-ascorbic acid and silver-polyamine complex solutions.
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WO/2009/038207A1 |
A process for producing a copper powder which has a particle size distribution with an extremely narrow width and is reduced in impurity content; and a copper powder which is obtained by the process, has heightened conductivity, is homog...
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WO/2009/030799A1 |
The invention relates to a method for the synthesis of inert metal nanoparticles. More specifically, the invention relates to a method for obtaining stable colloids of inert metal nanoparticles in a single step comprising the laser ablat...
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WO/2009/031594A1 |
Disclosed is a metal fine particle-dispersing agent for forming a dispersion system of metal fine particles. Specifically disclosed is a metal fine particle-dispersing agent which is composed of a branched and/or linear polymer compound ...
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WO/2009/031714A1 |
Disclosed is a solvent-dispersible particle comprising a multi-component alloy nano particle and a surface modifier that covers the surface of the particle, wherein the surface modifier has, in its molecule, at least two functional group...
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WO/2009/032984A1 |
Disclosed are methods of making multi-element, finely divided, alloy powders containing silver and at least two non-silver containing elements and the uses of these powders in ceramic piezoelectric devices.
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WO/2009/026789A1 |
The present invention relates to a process for preparing powders of niobium suboxides or niobium, wherein the process comprising: mixing the niobium oxides as raw material with reducing agent, conducting a reaction at a temperature in th...
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WO/2009/029270A1 |
The present invention provides a lithium metal powder protected by a substantially continuous layer of a polymer. Such a substantially continuous polymer layer provides improved protection such as compared to typical CO2-passivation.
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WO/2009/027396A2 |
The invention relates to a method for preparing silver nanoparticles having a diameter lower than 80 nm, and dispersed in a polymer matrix in a concentration higher than 1 M, that comprises the following steps: i) mixing an organic silve...
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WO/2009/024312A2 |
The present invention relates to a method for the reductive production and stabilization of functional metal nanoparticles under mild conditions in ionic liquids from the associated soluble salt sources by using elemental hydrogen in the...
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WO/2009/025207A1 |
Disclosed is a low-cost, highly productive powder for a negative electrode material for lithium ion batteries having good battery capacity. This powder for a negative electrode material for lithium ion batteries is composed of a Co-Sn-Fe...
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WO/2009/025143A1 |
This invention provides a process for producing nanoparticles by simple heat treatment at 600ºC or below. The production processis characterized by comprising heat treating a material containing a first element and a second element at a...
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WO/2009/021820A1 |
Novel strip-like or sheet-like valve metal and valve metal oxide structures having a transverse dimension of from 5 to 100 nm are described.
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WO/2009/016894A1 |
Disclosed is a method for producing an extrusion billet, which comprises the steps of: providing a plate-like or block-like starting material comprising a magnesium alloy; subjecting the starting material to the thermoplastic processing ...
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WO/2009/014392A2 |
A preparation method of a copper particle composition includes dissolving a copper carboxyl compound, or a carboxyl group-containing compound and a copper salt, in a solvent to prepare a copper(II) precursor solution; putting a weak redu...
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WO/2009/015381A1 |
A nanoprism having a prismatic silver shell formed about a gold core and a process of forming the same are disclosed. The process includes irradiating a mixture of gold and silver nanoparticles with a narrow band of wavelengths capable o...
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WO/2009/013997A1 |
A process for producing an ultrafine metal powder, comprising the step of blowing a metal powder as a raw material into a reducing flame generated in a furnace (5) by a burner (3) so that the metal powder is melted and reduced to an evap...
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