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7615096 |
Method for manufacturing metal nanoparticle
A method for manufacturing a metal nanoparticle is provided. The method includes steps of: a) providing a metal salt solution, b) providing a reducing agent, c) providing a protecting agent, d)...
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7611562 |
Triangular nanoframes and method of making same
The present invention provides nanoprisms etched to generate triangular framework structures. These triangular nanoframes possess no strong surface plasmon bands in the ultraviolet or visible...
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7601200 |
Method of separation/purification for high-purity silver chloride, and process for producing high-purity silver by the same
A method of efficient separation/purification for obtaining high-purity silver chloride which eliminates the necessity of a pretreatment of a refining intermediate comprising sparingly soluble...
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7588624 |
Method of producing gold nanoprisms
The present invention relates to a method of producing gold nanoprisms. In particular, gold nanoprisms having uniform shapes and edge lengths and thickness are produced utilizing a three step...
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7566437 |
Process for manufacture of silver-based composite powders for electrical contact materials and composite powders so produced
The present invention relates to a method for manufacture of silver-based composite powders for electrical contact materials. The invention relates also to electrical contact materials made from...
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7544229 |
Method for the production of highly pure metallic nano-powders
The present invention discloses a novel method for the production of metallic nano-powder. This cost-effective, simple process is customized for a full-scale production of metallic nano-powders...
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7534490 |
Composite nanoparticles, nanoparticles and methods for producing same
In various aspects provided are methods for producing a nanoparticle within a cross-linked, collapsed polymeric material. In various embodiments, the methods comprise (a) providing a polymeric...
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7524354 |
Controlled synthesis of highly monodispersed gold nanoparticles
A method of synthesizing highly monodispersed Au nanoparticles having diameters in the range of 30-90 nm. Seed nanoparticles in a controlled concentration are combined with a precursor, also in a...
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7510592 |
Method of producing metal powder
A method of producing metal powder by reducing ions of a metal for precipitation by performance of a reducing agent in a liquid-phase reaction system, wherein the metal is precipitated as metal...
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7413607 |
Templated semiconductor particles and methods of making
Composite particles of a semiconductor particle such as a metal chalcogenide within a crosslinked, cored dendrimer are described. Additionally, methods of making the composite particles and...
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7396379 |
Hydrogen storage battery; positive nickel electrode; positive electrode active material and methods for making
A hydrogen storage battery with improved cycle life and a method for making the same. The battery has a negative electrode with an electrochemically active negative material and a negative...
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7384447 |
Coated nickel-containing powders, methods and apparatus for producing such powders and devices fabricated from same
Nickel powder batches including coated nickel-containing particles and methods for producing the same. The coated nickel-containing particles having have a small particle size, narrow size...
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7374599 |
Dendritic metal nanostructures
A method for making dendritic metal nanostructures using a surfactant structure template, a metal salt, and electron donor species.
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7344583 |
Methods of making metal particles within cored dendrimers
Composite particles of a metal particle within a crosslinked, cored dendrimer are described. Additionally, methods of making the composite particles and compositions that contain the composite...
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7311754 |
Molecular decomposition processes for the synthesis of nanosize metallic powders
A method for synthesizing nanosize metallic powders can include providing a metallic precursor. The metallic precursor can include a metal alloy formed having a fugitive constituent and a target...
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7300672 |
Titanium-group metal containing high-performance water, and its producing method and apparatus
Produce titanium-group metal micro-dispersion water that contains ion vapor of titanium-group metal in micro-dispersed state and that can be used as a material for health products, medical...
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7300491 |
Method and apparatus for the production of metal powder
Provide a method and apparatus for producing, in an economical manner, metal powder offering high purity and comprising uniform particle shape and size. Produce metal powder of titanium metal,...
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7288134 |
Dumbbell-like nanoparticles and a process of forming the same
Dumbbell-shaped or flower-shaped nanoparticles and a process of forming the same, wherein the process comprises forming a mixture of a nanoparticle with a precursor in a first solvent, wherein the...
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7238331 |
Process for producing nano-powders and powders of nano-particle loose aggregate
The present invention discloses a process for producing nano-powders and powders of nano-particle loose aggregate, which includes: (a) providing at least two reactant solutions A and B capable of...
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7214255 |
Aerosol method and apparatus for making particulate products
Provided is an aerosol manufacture facility including an aerosol generator ( 600 ), an aerosol heater ( 604 ), an aerosol cooler ( 604 ), a particle collector ( 606 ), a precursor liquid supply...
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7189279 |
Cross-linked polymeric nanoparticles and metal nanoparticles derived therefrom
There are provided internally cross-linked, stable polymeric materials, in the form of substantially spherical particles, each particle consisting essentially of a single macromolecule. They have...
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7169731 |
Method for the synthesis of a fuel cell electrocatalyst
A method for forming a supported metal-containing powder. The method comprises forming a dispersion of a particulate support in a solution, which comprises a solvent and a dissolved metal. Heat is...
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7166143 |
Method for producing indium powder
The invention relates to non-ferrous metallurgy and may be used for zinc and indium containing materials processing resulting in fine indium powder production by converting indium into a salt...
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7022156 |
Method for producing nanoparticles of magnetically hard ordered alloy phase
The invention provides methods for producing nanoparticles having a CuAu type or Cu 3 Au type magnetically hard ordered alloy phase. One method includes a step of reducing, in liquid phase, a base...
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7004994 |
Method for making a film from silver-containing particles
Provided are silver-containing powders and a method and apparatus for manufacturing the silver-containing particles of high quality, of a small size and narrow size distribution. An aerosol is...
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6972046 |
Process of forming magnetic nanocomposites via nanoparticle self-assembly
A process of forming a hard-soft phase, exchange-coupled, magnetic nanocomposite includes forming a dispersion of magnetic nanoparticles, separating the magnetic nanoparticles from a solvent of the...
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6908496 |
Method for scalable production of nanoshells using salt assisted purification of intermediate colloid-seeded nanoparticles
A method for purifying a suspension containing colloid-seeded nanoparticles and excess colloids is provided that includes adding to the suspension a filter aid comprising a salt. The method further...
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6858318 |
Metalic nanowire and process for producing the same
A nanowire comprising only metal having an average length of 1 μm or more which could not be produced in the prior art, and a method of manufacturing this wire. This invention provides a method...
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6814777 |
Platinum and platinum alloy powders with high surface areas and low chlorine content and processes for preparing these powders
The invention provides platinum or platinum alloy powders for use in fuel cells and for chemical reactions. The powders are characterized by a high surface area and, at the same time, low chlorine...
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6737017 |
Method for preparing metallic alloy articles without melting
An article of a base metal alloyed with an alloying element is prepared by mixing a chemically reducible nonmetallic base-metal precursor compound of a base metal and a chemically reducible...
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6660431 |
Hydrogen absorbing alloy electrode, electrode producing method and alkali storage battery
The present invention relates to a hydrogen storage alloy electrode composed of a hydrogen storage alloy having a CaCu 5 region and a Ce 2 Ni 7 region in the crystal structure and satisfies the...
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6645444 |
Metal nanocrystals and synthesis thereof
A process for forming metal nanocrystals involves complexing a metal ion and an organic ligand in a solvent and introducing a reducing agent to reduce a plurality of metal ions to form the metal...
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6632265 |
Nickel powder, method for preparation thereof and conductive paste
The nickel powder is characterized in that the rate of the nickel particles whose particle size is not less than 1.2 time the average particle size as determined by the observation with an SEM is...
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6586046 |
Fluidized bed apparatus and method for treatment of nonspherical, nonequiaxed particles
Apparatus and method for producing metallic flake having an environmental coating for use in oxidative and corrosive atmospheres. Fluidized bed techniques are utilized to perform a controlled...
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6572673 |
Process for preparing noble metal nanoparticles
A process for preparing metal nanoparticles, comprising reacting suitable metal salts and anionic surfactant containing an anionic group of carboxylic group (COO − ), sulfate group (SO 4 2− )...
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6494932 |
Recovery of natural nanoclusters and the nanoclusters isolated thereby
Methods for recovery of naturally occurring nanoclusters are provided involving providing an aqueous nanocluster slurry and desorbing the nanoclusters from the surface of host substrate on which...
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6455746 |
Ultrafine polymetallic particles, preparation and use for hydrogenating olefins and for coupling halogenated aromatic derivatives
The invention concerns ultrafine polymetallic particles obtained from reducing a mixture of salts dissolved in an organic solvent by an alkali or alkaline earth metal hydride, at a temperature not...
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6436167 |
Synthesis of nanostructured composite particles using a polyol process
The present invention is a polyol method for making composite particles of two or more immiscible transition metals, where these particles are of nanoscale dimensions, and where the constituent...
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6391087 |
Copper fine powder and method for preparing the same
Copper fine powder has an electrical resistance in its powdery state of not more than 1×10 −3 Ω·cm; a BET specific surface area ranging from 0.15 to 0.3 m 2 /g; a tap density of not less than...
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6387494 |
Method for producing ultra microparticles and ultra microparticles
A method for producing ultra microparticles including steps: dissolving or dispersing at least one of metallic salts into a solvent to form a solution, and irradiating a microwave to the solution...
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6162277 |
Nickel fine powder and method for preparing the same
A nickel fine powder includes 0.02 to 1.0% by weight of magnesium and/or 0.02 to 0.1% by weight of calcium dispersed in the nickel. A method for preparing the nickel fine powder includes the steps...
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6120576 |
Method for preparing nickel fine powder
A method for preparing nickel fine powder is herein disclosed, which comprises the steps of mixing an aqueous sodium hydroxide solution comprising, on the basis of the total weight of the sodium...
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6090858 |
Shape control method for nanoparticles for making better and new catalysts
A method for shape controlled synthesis of colloidal metal nanoparticles includes providing a solution of 8×10 -5 M K 2 PtCl 4 and water in a reaction vessel and maintaining the vessel at a...
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6054495 |
Synthesis of unagglomerated metal nano-particles at membrane interfaces
The present invention relates to a powder of unagglomerated metallic particles. More particularly, the present invention relates to a powder of unagglomerated metallic particles having an average...
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5906670 |
Making particles of uniform size
Quantum dots of a metal or metal compound are made by a method of providing a solution in an evaporable solvent at a predetermined concentration of a chosen metal and forming droplets of the...
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5885535 |
Process for extracting and recovering silver
A process for extracting and separating silver safely and selectively from a raw material containing slightly soluble silver compounds and recovering silver from the extract in a simple manner...
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5879429 |
Method for producing hydrogen storage alloy electrode
A method for producing a hydrogen storage alloy electrode comprising the step of treating a hydrogen storage alloy by immersing it in an alkaline solution containing cobalt ion or copper ion at a...
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5801318 |
Method of manufacturing copper powder having excellent dispersibility and small particle diameter deviation
Metal copper powder having excellent dispersibility and small particle diameter deviation is manufactured by adding a reducing agent into a solution containing a copper compound and a dispersion...
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5779761 |
Method of making metals and other elements
A method of producing a non-metal element or a metal or an alloy thereof from a halide or mixtures thereof. The halide or mixtures thereof are contacted with a stream of liquid alkali metal or...
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5653783 |
Method of producing fine metal balls
A method for efficiently and accurately manufacturing fine metal balls such as solder is provided. A liquid is poured into a vertically elongated cylindrical container, where the liquid is heated...
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