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| Number | Title | Issue Date |
| 8167972 | Process for producing metal nanoparticle and metal nanoparticle produced by the process The present invention has an object of providing a single-stage production method that enables the production of ultra fine metal nanoparticles and ordered alloy nanoparticles within solution. The production method includes irradiating a solution of a salt or... | 05/01/2012 |
| 8167973 | Microwave-assisted synthesis of carbon and carbon-metal composites from lignin, tannin and asphalt derivatives A process for synthesizing carbon-metal nanocomposites. In one embodiment, the process includes the steps of preparing a metal derivative or a metal chelated derivative of a carbon-containing precursor in solid form, and subjecting the metal derivative or metal chel... | 05/01/2012 |
| 8088193 | Method for making nanoparticles A method for making nanoparticles includes the steps of dipping a metal element in a solution that contains metallic ions or ions with a metal, wherein the metal element has a lower electronegativity or redox potential than that of the metal in the ions, and rubbing... | 01/03/2012 |
| 8066796 | Process to create simulated lunar agglutinate particles A method of creating simulated agglutinate particles by applying a heat source sufficient to partially melt a raw material is provided. The raw material is preferably any lunar soil simulant, crushed mineral, mixture of crushed minerals, or similar material, and the... | 11/29/2011 |
| 8062407 | Household microwave-mediated carbohydrate-based production of silver nanomaterials A relatively simple and inexpensive method for the synthesis of silver nanoparticles within a short period of time using a household microwave or the like is provided. The energy needed to heat the synthesis reaction is minimized and the organic reducing reagents of... | 11/22/2011 |
| 7998239 | Alloy nanoparticle synthesis using ionizing radiation A method of forming stable nanoparticles comprising substantially uniform alloys of metals. A high dose of ionizing radiation is used to generate high concentrations of solvated electrons and optionally radical reducing species that rapidly reduce a mixture of metal... | 08/16/2011 |
| 7976609 | Method for manufacturing metal nanorods and use thereof A method for manufacturing metal nanorods includes: a step of adding a reducing agent to a metallic salt solution; a step of radiating light into the metallic salt solution containing the reducing agent; and a step of leaving the light-radiated metallic salt solutio... | 07/12/2011 |
| 7935169 | Apparatus and method for manufacturing metal nanoparticles The present invention relates to an apparatus and a method of manufacturing metal nanoparticles, and more particularly to an apparatus including: a precursor supplying part which supplies a precursor solution of metal nanoparticles; a first heating part which is con... | 05/03/2011 |
| 7905942 | Microwave purification process A method of purifying a target powder having an oxygen content, the method comprising: flowing hydrogen gas through a microwave production chamber; applying microwaves to the hydrogen gas as the hydrogen gas flows through the microwave production chamber, thereby fo... | 03/15/2011 |
| 7776130 | pH-controlled photosynthesis of silver nanoprisms Silver nanoprisms having a unimodal size distribution are disclosed. The size of the nanoprisms can be controlled by adjusting the pH during irradiation of silver nanocrystals. ... | 08/17/2010 |
| 7470306 | Method for producing fine metal powder An object of the present invention is to provide a new method for producing a fine metal powder, in which high purity fine metal powders which are more minute than ever before, are uniform in particle diameter, and contain no impurities can be produced at lower cost... | 12/30/2008 |
| 7470307 | Metal powders and methods for producing the same A method for producing a metal powder product involves: Providing a supply of a precursor metal powder; combining the precursor metal powder with a liquid to form a slurry; feeding the slurry into a pulsating stream of hot gas; and recovering the metal powder produc... | 12/30/2008 |
| 7465333 | Cavitation process for products from precursor halides A precursor halide compound is reduced to a predetermined product at substantially ambient conditions. The halide is added to an anhydrous liquid reaction medium containing one or more alkali metals or alkaline earth metals as reductants. The metal reductants are di... | 12/16/2008 |
| 7455713 | Cavitation process for titanium products from precursor halides A titanium halide and, optionally, other precursor halides compound are reduced to a predetermined titanium product, suitably at or near ambient conditions. Titanium tetrachloride, for example, is added to an anhydrous liquid reaction medium containing one or more a... | 11/25/2008 |
| 7416579 | Preparing nanosize platinum-titanium alloys Nanometer sized particles containing titanium and platinum are prepared by a sonochemical process. Compounds of the metals are dissolved, suspended, or diluted in a low vapor pressure liquid medium, preferably at a sub-ambient temperature. A reducing gas is bubbled ... | 08/26/2008 |
| 7384449 | Ferromagnetic nanoparticles, material coated with dispersion of ferromagnetic nanoparticles, and magnetic recording medium using the material Ferromagnetic nanoparticles which are produced by reducing, in the presence of a polymer, two or more metals having different reduction potentials twice or more, using two or more reducing agents having different reduction potentials, a material coated with a disper... | 06/10/2008 |
| 7381240 | Platinum particles with varying morphology Nanometer to micrometer sized particles containing platinum and having selected morphologies are prepared by a sonochemical process. A compound of platinum is dissolved, suspended, or diluted in a suitable liquid medium at a predetermined concentration and the liqui... | 06/03/2008 |
| 7367999 | Ultrafine particles and method and apparatus for producing the same A method of producing ultrafine particles by vaporization comprising: vaporizing a target by sputtering; causing particles that fly from the target by vaporization to be deposited on an oil surface; and recovering the oil on which the flown particles have deposited ... | 05/06/2008 |
| 7361204 | Generator for flux specific bursts of nano-particles Methods, systems and apparatus for producing a variable, known number of nanoparticles of various materials in an expanding mist in a vacuum or enclosure. The configurations allow for this mist of small particles to be produced in bursts, at repetition rates over a ... | 04/22/2008 |
| 7357884 | Conductive ink composition A conductive ink composition is obtained by dispersing, in an organic solvent, a solid material made from metal fine particles each coated with protective colloids each made of at least two organic compounds, the metal fine particles consisting of an alloy containin... | 04/15/2008 |
| 7354733 | Method for sorting and separating living cells We disclose methods of sorting or separating mixtures of living cells (e.g., eukaryotic, prokaryotic, mammalian, pathogenic, bacterial, viral, etc.). We perform our methods by activating cell-selective photophoric labels, which photosensitize and chemically reduce a... | 04/08/2008 |
| 7276385 | Methods of laser repairing a circuit, compositions and equipment for such methods, and structures formed from such methods Methods for repairing an electrical circuit; compositions, inks and equipment for making such repairs; and repair structures formed by the methods. The method generally includes the steps of: (a) depositing a composition comprising nanoparticles of an electrically f... | 10/02/2007 |
| 7265161 | Multi-photon reactive compositions with inorganic particles and method for fabricating structures A multi-photon reactive composition including: (a) at least one reactive species; and (b) multi-photon photoinitiator system; and (c) a plurality of substantially inorganic particles, wherein the particles have an average particle size of less than about 10 microns ... | 09/04/2007 |
| 7252699 | Method for patterning metal using nanoparticle containing precursors Continuous, conducting metal patterns can be formed from metal nanoparticle containing films by exposure to radiation (FIG. 1). The metal patterns can be one, two, or three dimensional and have high resolution resulting in feature sizes in the order... | 08/07/2007 |
| 7253409 | Electrochemical nano-patterning using ionic conductors The present invention provides nano-patterning based on flow of an ion current within an ionic conductor to bring ions in proximity to a microscope probe tip touching a surface of the conductor. These ions are then electrochemically reduced to form one or more featu... | 08/07/2007 |
| 7226636 | Gold-coated nanoparticles for use in biotechnology applications A process of preparing gold-coated magnetic nanoparticles is disclosed and includes forming a suspension of magnetic nanoparticles within a suitable liquid, adding an amount of a reducible gold compound and a reducing agent to the suspension, and, maintaining the su... | 06/05/2007 |
| 7217311 | Method of producing metal nanocomposite powder reinforced with carbon nanotubes and the power prepared thereby The present invention relates to a metal nanocomposite powder reinforced with carbon nanotubes and to a process of producing a metal nanocomposite powder homogeneously reinforced with carbon nanotubes in a metal matrix powder. ... | 05/15/2007 |
| 7211345 | Membrane electrode assemblies for use in fuel cells Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from an aerosol of precursors by ... | 05/01/2007 |
| 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 the unusual property of being soluble or dispersible in a liquid mediu... | 03/13/2007 |
| 7157401 | Catalyst for the treatment of organic compounds A catalyst for the hydroprocessing of organic compounds, composed of an interstitial metal hydride having a reaction surface at which monatomic hydrogen is available. The activity of the catalyst is maximized by avoiding surface oxide formation. Transition metals an... | 01/02/2007 |
| 7105079 | Process and apparatus for manufacturing metal oxides and byproduct hydrogen High purity metal oxide products and byproduct hydrogen are manufactured by immersing sacrificial electrodes, formed of the metal moiety of the metal oxide product, in water and striking an electrical arc between the electrodes. The metal oxide product and hydrogen ... | 09/12/2006 |
| 7097806 | Rapid surface cooling of solder droplets by flash evaporation A mist of liquid coolant is introduced into the path of atomized, molten, solder droplets. The mist and other conditions within the chamber are engineered to enable the liquid coolant droplets in the mist to contract the surfaces of molten solder droplets and be fla... | 08/29/2006 |
| 7097686 | Nickel powders, methods for producing powders and devices fabricated from same Nickel powder batches and methods for producing nickel powder batches. The powder batches include particles having a small particle size, narrow size distribution and a spherical morphology. The present invention is also directed to devices incorporating the nickel ... | 08/29/2006 |
| RE39224 | Apparatus and method for making uniformly sized and shaped spheres Uniform sized and shaped spheres are formed by applying a minute periodic disturbance to a low viscosity liquid material. Pressure forces the material through at least one orifice in a crucible as a steady laminar stream. The stream enters an enclosed controlled tem... | 08/08/2006 |
| 7033415 | Methods of controlling nanoparticle growth The invention provides new types of plasmon-driven growth mechanism for silver nanostructures involving the fusion of triangular nanoprisms. This mechanism, which is plasmon excitation-driven and highly cooperative, produces bimodal particle size distributions. In t... | 04/25/2006 |
| 7033416 | Low temperature synthesis of metallic nanoparticles A new low temperature method of reducing metallic salts, both inorganic and organic to metallic nanoparticles has been discovered. The reduction reaction is carried out in low boiling point monoalkylethers of ethylene glycol and mixtures of this solvent with alkane ... | 04/25/2006 |
| 7010837 | Method for manufacturing an electronic component A method for manufacturing an electronic component includes the steps of forming an electrode layer including α-tungsten on a substrate at a substrate temperature of about 100° C. to about 300° C. by a sputtering process, processing the electrode layer so as to h... | 03/14/2006 |
| 6977097 | Particle forming methods A particle forming method includes feeding a first set of precursors to a first energy application zone. Energy is applied to the first set of precursors in the first energy application zone effective to react and form solid particles from the first set of precursor... | 12/20/2005 |
| 6972115 | Apparatus and methods for the production of powders Metallic powders are formed by the electrically exploded wire (EEW) process. An apparatus (20) for manufacturing such powders includes a closed loop recirculating gas path between a reaction chamber (100) and an extractor (32). A wire (31... | 12/06/2005 |
| 6942715 | Process for producing metallic titanium A process for producing metallic titanium includes forming metallic titanium fine particles by supplying liquid or mist titanium tetrachloride from above the surface of a reaction bath liquid containing fused magnesium and fused magnesium chloride in a reaction vess... | 09/13/2005 |
