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WO/2009/157309A1 |
Disclosed are a powder containing not less than 95% by mass of silver nanoparticles having an average particle diameter of 2-50 nm and applications of the powder. The silver-containing powder containing silver nanoparticles is obtained ...
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WO/2009/155666A1 |
A granulator comprising a rotary atomiser for receiving molten material and projecting droplets of the molten material there from; and an impact surface disposed within the trajectory of the droplets and upon which the droplets impact, t...
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WO/2009/153865A1 |
A powder producing apparatus comprising a housing (or chamber) (1), a rod raw material storage unit (3) provided in the housing, a support unit (5) for seizing the rod raw material, inserting it into a below disposed crucible (6) and hol...
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WO/2009/153895A1 |
A process for producing a magnesium alloy material which comprises: a step in which a platy or massive starting material made of a magnesium alloy is prepared; a step in which the starting material is subjected to plastic working at 250Â...
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WO/2009/151032A1 |
Provided is a method whereby it is possible to manufacture, at a high yield, Al-based alloy sputtering targets containing rare-earth elements and high-melting point elements having a higher melting point than Al. The method comprises a s...
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WO/2009/140694A2 |
The present invention relates to methods of making and using and compositions of metal nanoparticles formed by green chemistry synthetic techniques. For example, the present invention relates to metal nanoparticles formed with solutions ...
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WO/2009/140030A2 |
Preparing porous particles includes forming a gel including a first liquid and an oxygen-containing compound of a metal, semi-metal, metalloid, or semi-conductor, including an oxide, hydroxide, alkoxide, oxohydroxide, oxoalkoxide, oxo sa...
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WO/2009/136552A1 |
Disclosed is a brass alloy powder which has a brass composition composed of a mixed phase of an α-phase and a β-phase, and contains 0.5-5.0% by mass of chromium. The chromium contains a component solid-solved in the brass matrix and a ...
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WO/2009/133446A1 |
The invention relates to a process for the preparation of silver nano particles comprising dissolving a surfactant in ethanol to obtain a first solution; dissolving a silver precursor in water to obtain a second solution; adding the seco...
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WO/2009/133920A1 |
Disclosed is an iron‑based high‑hardness shot material with superior hardness, toughness, and corrosion resistance that can be provided inexpensively. The shot material is made of B: 5-8 mass%, Al: 10 mass% or less, Cr: 0-25 mass%, a...
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WO/2009/106600A9 |
A method for manufacturing alloy powders based on titanium, zirconium and hafnium, alloyed with the elements Ni, Cu, Ta, W, Re, Os, and Ir is described in which an oxide of Ti and/or Zr and/or Hf is mixed with a metal powder of the eleme...
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WO/2009/133921A1 |
Disclosed is a sputtering target material for producing an intermediate layer film of a perpendicular magnetic recording medium, which is capable of dramatically reducing the crystal grain size of a thin film formed by the sputtering. T...
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WO/2009/131872A1 |
A centrifugal impact atomization process for producing zinc or zinc alloy powder from molten zinc. A stream of molten zinc is injected onto the surface of a spinning disk contained within an atomization chamber. The disk has a cup shaped...
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WO/2009/132036A1 |
A composition for use for example, in an electrode in a Nickel-Metal-Hydride battery is provided that consists of metal hydrides together with a certain percentage of nano-sized reactive metaÏŠ particles, preferably either nickel, mangan...
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WO/2009/128425A1 |
Provided is a composite magnetic material which provides superior magnetic properties such as magnetic permeability and core loss, and practical strength, and a manufacturing method for a composite magnetic material which improves the mo...
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WO/2009/126061A1 |
The invention relates to mechanical engineering, in particular to the temperature-controlled beam processing of different metallic and non-metallic materials for producing nanomaterials and can be also used in medicine for treating biolo...
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WO/2009/125370A1 |
A method is provided of producing inorganic semiconducting nanoparticles having a stable surface. The method comprises providing an inorganic bulk semiconductor material, such as silicon or germanium, and milling the bulk semiconductor m...
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WO/2009/125671A1 |
Disclosed is an R-T-B-base alloy that is a raw material for a rare earth permanent magnet. In the R-T-B-base alloy, R represents at least one of Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu, T represents a transi...
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WO/2009/122709A1 |
Disclosed is an R-T-B-type sintered magnet which has the following chemical composition: R: 27.3 to 29.5 mass% (inclusive), B: 0.92 to 1 mass% (inclusive), Cu: 0.05 to 0.3 mass% (inclusive) and M: 0.02 to 0.5 mass% (inclusive), with the ...
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WO/2009/119154A1 |
Disclosed is a base metal powder that is composed mainly of a base metal, has an average particle diameter of 5 to 30 nm, and exhibits such an X-ray diffraction pattern that the diffracted intensity of one of a main peak in a hexagonal c...
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WO/2009/119196A1 |
Disclosed is a platinum powder for magnetic material targets, which has a particle size distribution of 0.1-5 μm. The impurities contained in the platinum powder for magnetic material targets are limited as follows: sodium, potassium an...
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WO/2009/119757A1 |
A process for producing coated fine metal particles comprising core particles of a metal which have been coated with a titanium oxide and a silicon oxide in this order, characterized by: mixing a powder comprising TiC and TiN with a powd...
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WO/2009/116551A1 |
A bonded structure of accumulated nanoparticles (nanocubes) of different kinds which have the same size is constructed. Two kinds of nanoparticles having different chemical compositions (BaTiO3 nanocubes (BT), SrTiO3 nanocubes (ST)) are ...
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WO/2009/117718A1 |
A direct chemical synthesis scheme for the fabrication of isotropic and anisotropic rare earth (RE) -transition metal (TM)- based permanent magnets is disclosed. The method according to the invention permits the synthesis of, e.g., parti...
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WO/2009/117176A1 |
The present invention relates to apparatus and method for melting and atomizing metals and metallic alloys to produce large diameter ingots. The apparatus and methods employ equipment and techniques that utilize electrons
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WO/2009/117179A1 |
One non-limiting embodiment of an apparatus for forming an alloy powder or preform includes a melting assembly, an atomizing assembly, and a collector. The melting assembly produces at least one of a stream of a molten alloy and a series...
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WO/2009/115643A2 |
The invention relates to nanoparticles having a metallic core and a protective wrapping attached to the core, said protective wrapping being derived from aliphatic amines. Using said nanoparticles conductive layers or patterns can be pro...
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WO/2009/111488A2 |
A method of preparing tin (Sn) nanoparticles based on a bottom-up approach is provided. The method includes combining a first solution comprising Sn ions with a second solution comprising a reducing agent. After the combination, the Sn i...
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WO/2009/110371A1 |
Disclosed are a method and a device for the manufacture of nanoparticles of a low-melting-point material, such as gold, etc., at more than 10 times the rate of the prior art, with which the time-averaged temperature of pulse-modulated at...
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WO/2009/105886A1 |
It has been surprisingly found that injecting ceria-based particles (mean size less than 200nm) suspended in a combustible organic solvent into a plume having a maximum temperature between about 2,600°C and 4,000°C to impart a mean tem...
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WO/2009/108125A1 |
Gold nanoparticles are prepared by combining a gold salt, an N,N'-disubstituted imidazolium salt and a thiol.
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WO/2009/107721A1 |
A fatty acid metal salt for use in forming ultrafine metal particles. The fatty acid metal salt satisfies at least one of the following: (i) the salt has a water content of 200 ppm or lower; (ii) the salt has a volume-cumulative particle...
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WO/2009/103889A1 |
The invention relates to a Fe-Si-La alloy having the following atomic composition: (La1-a-a'MmaTRa')1[(Fe1-b-b,CobMb,)1-χ(Si1-cXc)x]13(CdNeH1-
d-e)y(R)z(l)f, in which Mm is a mixture of lanthanum, cerium, neodymium and praseodymium in a...
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WO/2009/104632A1 |
In an example of a conventional method, the regeneration of sintered magnets is achieved by means of a number of processes involving solvent extraction etc. As a result, productivity is poor and, since a number of solvents such as hydrof...
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WO/2009/097835A1 |
The invention relates to a method for producing metal powders and to metal powders thereby produced. The aim of the invention is to provide methods which allow metal powders to be produced a low cost from metal oxides the properties of w...
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WO/2009/098985A1 |
Provided are: copper hydride nanoparticles which have excellent oxidation resistance and can be easily sintered together with a metal filler; a process for producing the nanoparticles; a metallic paste capable of forming a metallic film ...
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WO/2009/096569A1 |
Disclosed is a method for producing uniformly shaped metal nanomaterials of a core-shell structure, each having a core composed of a gold nanoparticle and a shell composed of silver, with good reproducibility. The method for producing me...
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WO/2009/092631A1 |
A method and a device are described for the production of metal powder or alloy powder of a moderate grain sizes less than 10 µm, comprising or containing at least one of the reactive metals zirconium, titanium, or hafnium, by metalloth...
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WO/2009/093596A1 |
Disclosed is a method for safely producing metal fine particles at low cost without using a chlorine gas. Specifically, copper fine particles (101a, 101b) are produced by sputtering a copper target (2), which is arranged in a chamber (6)...
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WO/2009/090748A1 |
A method of yielding silver composite nanoparticles at a low temperature is established to provide: silver composite nanoparticles yielded at a formation temperature of 100°C or lower and having a metallization temperature of 150°C or ...
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WO/2009/090846A1 |
A cold formation method of composite silver nanoparticles has been established. Thus, provided are composite silver nanoparticles comprising a silver core, which is made up of aggregated silver atoms and has an average particle diameter ...
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WO/2009/090767A1 |
A process for producing composite silver nanoparticles at a low temperature has been established to provide composite silver nanoparticles which are produced at a temperature of 100°C or below, a DTA peak temperature (T2) of 150°C or b...
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WO/2009/087919A1 |
Disclosed is a silver nanoparticle which has a relatively high boiling point in spite of having a relatively low molecular weight, which has a low viscosity and a low surface tension, and which has good affinity (dispensability) for γ-b...
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WO/2009/087918A1 |
Disclosed is a silver micropowder coated with a protecting material which can largely decrease the sintering temperature compared with a conventionally employed sintering temperature. Specifically disclosed is a silver micropowder which ...
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WO/2009/087272A2 |
The invention concerns a method for preparing particles in a nano scale from decomposable compounds, which free gas and the desired particle material when decomposing by heating the compound in a solvent and under a raised pressure into ...
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WO/2009/086721A1 |
A method for preparing valve metal particles uniformly containing nitrogen includes: the raw material particles of the valve metal are heated in a nitrogen-containing gas at a temperature of 200°C or less for 2 hours or more. The valve ...
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WO/2009/086115A1 |
A process is described for making metal nanoparticles comprising (a) forming a liquid melt of a first metal having the composition of the desired nanoparticles and a second metal; (b) quenching the melt to form a solid; and (c) removing ...
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WO/2009/085342A1 |
Refractory metal and refractory metal carbide nanoparticle mixtures and methods for making the same are provided. The nanoparticle mixtures can be painted onto a surface to be coated and heated at low temperatures to form a gas-tight coa...
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WO/2009/085000A1 |
A water atomised prealloyed iron-based steel powder which comprises by weight-%: 0.2-1.5 Cr, 0.05-0.4 V, 0.09 -0.6 Mn, less than 0.1 Mo, less than 0.1 Ni, less than 0.2 Cu, less than 0.1 C, less than 0.25 O, less than 0.5 of unavoidable ...
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WO/2009/085001A1 |
A water atomised prealloyed iron-based steel powder which comprises by weight-%: 0.4-2.0 Cr, 0.1-0.8 Mn, less than 0.1 V, less than 0.1 Mo, less than 0.1 Ni, less than 0.2 Cu, less than 0.1 C, less than 0.25 O, less than 0.5 of unavoidab...
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