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...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8114187 | Synthesis of platinum nanostructures A method for synthesizing noble metal nanostructures is disclosed. The method involves reacting under heat a noble metal precursor, a polyol reducing agent, and a stabilizing polymer. Morphological control is achieved by controlling the reduction rate of the noble m... | 02/14/2012 |
| 8075664 | Synthesis of metallic nanoshells on porphyrin-stabilized emulsions Metal nanostructures formed by photocatalytic interfacial synthesis using a porphyrin-stabilized emulsion template and the method for making the nanostructures. Catalyst-seeded emulsion droplets are employed as templates for hollow-nanoshell growth. The hollow metal... | 12/13/2011 |
| 7780758 | Method of preparing metal nanocrystal Methods of preparing capped metal nanocrystals are provided. One method includes reacting a metal nanocrystal precursor with a reducing agent in a solution having a platinum catalyst. ... | 08/24/2010 |
| 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 silver compounds and impurity elements when silver chloride is separated ... | 10/13/2009 |
| 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 controlled concentration, a reducing and capping agent (e.g., sodium a... | 04/28/2009 |
| 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 powder particles by being reduced under conditions in which the exchange... | 03/31/2009 |
| 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 compositions that contain the composite particles are described. ... | 08/19/2008 |
| 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 electrode capacity and a positive electrode electrochemically coupled with th... | 07/08/2008 |
| 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 distribution and a spherical morphology. The present invention is also direct... | 06/10/2008 |
| 7374599 | Dendritic metal nanostructures A method for making dendritic metal nanostructures using a surfactant structure template, a metal salt, and electron donor species. ... | 05/20/2008 |
| 7371457 | Nanoparticle comprising nanoshell of thickness less than the bulk electron mean free path of the shell material The present invention is for particulate compositions and methods for producing them that can absorb or scatter electromagnetic radiation. The particles are homogeneous in size and are comprised of a nonconducting inner layer that is surrounded by an electrically co... | 05/13/2008 |
| 7351272 | Method and apparatus for controlling the size of powder produced by the Armstrong process A method of controlling the size and morphology of powder made by the subsurface injection of a halide vapor into a liquid metal is disclosed. A reaction zone is established and the temperature thereof or the time the powder remains therein is controlled to change p... | 04/01/2008 |
| 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 particles are described. ... | 03/18/2008 |
| 7329381 | Method for fabricating a metallic article without any melting A metallic article made of metallic constituent elements is fabricated from a mixture of nonmetallic precursor compounds of the metallic constituent elements. The mixture of nonmetallic precursor compounds is chemically reduced to produce an initial metallic materia... | 02/12/2008 |
| 7316725 | Copper powders methods for producing powders and devices fabricated from same Copper metal powders, methods for producing copper metal powders and products incorporating the powders. The copper metal powders have a small particle size, narrow size distribution and a spherical morphology. The method includes forming the metal particles in a co... | 01/08/2008 |
| 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 metal. The fugitive constituent and target metal are chosen such that t... | 12/25/2007 |
| 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, etc., using an apparatus that comprises a power supply for high-voltage/c... | 11/27/2007 |
| 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 products, cosmetics, etc., by using an apparatus comprising a water tank, a h... | 11/27/2007 |
| 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 nanoparticle comprises a hydrophobic outer coating; heating the mixtu... | 10/30/2007 |
| 7285256 | Precious metal recovery using thiocyanate lixiviant Precious metal-containing mineral material is subjected to an acidic thiocyanate leach to dissolve the precious metal as a precious metal-thiocyanate complex. A feed of the thiocyanate leach solution may include a large molar ratio of ferric iron to thiocyanate. Pre... | 10/23/2007 |
| 7238221 | Metallic nickel powders, method for preparing the same, conductive paste, and MLCC Provided are a method for preparing metallic nickel powders capable of decreasing the content of an alkaline metal in the metallic nickel powders, metallic nickel powders with the low content of an alkaline metal, a conductive paste including metallic nickel powders... | 07/03/2007 |
| 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 rapidly reacting to form deposits; (b) supplying the at least two reac... | 07/03/2007 |
| 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 system (608), a carrier gas supply system ( | 05/08/2007 |
| 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 |
| 7182977 | Composite substance containing metal particles, conductive paste and manufacturing method thereof A composite substance for forming a conductive paste, comprises a solvent and metal or metal compound particles. The solvent is compatible with an organic component included in the conductive paste, and the metal or metal compound particles are dried metal or metal ... | 02/27/2007 |
| 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 removed from the dispersion to precipitate the dissolved metal from t... | 01/30/2007 |
| 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 compound and subsequent treatment of the latter with a water solution in t... | 01/23/2007 |
| 7066983 | Method for thiosulfate leaching of precious metal-containing materials Processes are provided for recovering precious metals from refractory materials using thiosulfate lixiviants. The processes can employ lixiviants that include at most only small amounts of copper and/or ammonia and operate at a relatively low pH, reduction of polyth... | 06/27/2006 |
| 7022156 | Method for producing nanoparticles of magnetically hard ordered alloy phase The invention provides methods for producing nanoparticles having a CuAu type or Cu3Au type magnetically hard ordered alloy phase. One method includes a step of reducing, in liquid phase, a base metal and then reducing, in liquid phase, a noble metal. Ano... | 04/04/2006 |
| 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 generated from liquid feed and sent to a furnace, where liquid in droplet... | 02/28/2006 |
| 6992298 | Coated spherical silicon nanoparticle thin film UV detector with UV response and method of making A UV detector has a UV detection thin film of coated spherical silicon nanoparticles formed upon a substrate. The detector includes structures to bias the thin film. In preferred embodiments, a thin conductor that is at least semi-transparent to UV radiation is form... | 01/31/2006 |
| 6977182 | Semiconductor nanoparticles, method for producing the same, and fluorescence reagent comprising semiconductor nanoparticles This invention provides semiconductor nanoparticles having fluorescence properties and comprising a modifying group represented by the following general formula bound to their surfaces, a method for producing the same, and a fluorescence reagent comprising semicondu... | 12/20/2005 |
| 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 dispersion so as to allow self-assembly of the magnetic nanoparticle... | 12/06/2005 |
| 6955703 | Process for the production of elemental material and alloys The present invention relates to a process for the production of an elemental material, comprising the step of reacting a halide of the elemental material with a reducing agent in solid form in a fluidized bed reactor at a reaction temperature which is below the mel... | 10/18/2005 |
| 6939619 | Metal powder, method for producing the same, conductive paste using the same, and monolithic ceramic electronic component A metal powder is formed by the steps of preparing a reducing agent solution, preparing a mixed metallic salt solution by dissolving a nickel salt and a copper salt in a solvent, and mixing the reducing agent solution and the mixed metallic salt solution so that the... | 09/06/2005 |
| 6923842 | Method and apparatus for producing fine particles, and fine particles A method and apparatus are invented for producing fine particles, which can readily realize the formation of fine particles of sub-μm order to 100 micron order as well as fine particles of several micrometer which cannot be realized by a conventional method and app... | 08/02/2005 |
| 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 includes filtering the suspension with a filter of a pore size inter... | 06/21/2005 |
| 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 of manufacturing a metal nanowire, which comprises the step of r... | 02/22/2005 |
| 6846345 | Synthesis of metal nanoparticle compositions from metallic and ethynyl compounds A process of making metal nanoparticles comprising the steps of: providing a precursor composition comprising at least one metallic compound and at least one organic compound; wherein the organic compound is selected from the group consisting of an ethynyl compound,... | 01/25/2005 |
| 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 contents. The powders are prepared by forming a melt which contains, ... | 11/09/2004 |
