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| Number | Title | Issue Date |
| 8003072 | Superconductor fabrication A seed crystal for the fabrication of a superconductor is grown from a rare-earth oxide having the basic formula XwZtBaxCuyOz, X comprising at least one rare-earth element and Z being a dopant which raises the p... | 08/23/2011 |
| 7842274 | Process for manufacture of silver-based particles and electrical contact materials The invention is directed to a process for manufacture of fine precious metal containing particles, specifically silver-based particles and silver-based contact materials via an intermediate silver(+1)-oxide species. The process comprises in a first step the ... | 11/30/2010 |
| 7744846 | Method for forming activated copper oxide catalysts A method for forming a copper oxide catalyst includes forming a precipitate of copper hydroxide from a copper salt solution; forming dried particles of copper hydroxide by drying the precipitate at a temperature of less than 30° C.; heating the copper hydroxide par... | 06/29/2010 |
| 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 such composite powders. The process comprises a high energy dispersing ... | 07/28/2009 |
| 7402296 | Method for stabilizing copper hydroxide Disclosed is a method of stabilizing copper(II) hydroxide, the method comprising the sequential steps of: (a) combining copper(II) hydroxide, a water-soluble phosphate and water to form a mixture; and (b) drying the mixture. Also disclosed is stabilized copper(II) h... | 07/22/2008 |
| 7357910 | Method for producing metal oxide nanoparticles Method for producing metal oxide nanoparticles. The method includes generating an aerosol of solid metallic microparticles, generating plasma with a plasma hot zone at a temperature sufficiently high to vaporize the microparticles into metal vapor, and directing the... | 04/15/2008 |
| 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 |
| 7297321 | Supermicroporous metal oxides A new class of supermicroporous mixed oxides, with pore sizes in the 10-20 Å range has been prepared utilizing basic metal acetates. The reactions are carried out in non-aqueous solvent media to which an excess of amine is added. Hydrolysis of the reagents is effe... | 11/20/2007 |
| 7276224 | Synthesis of nanoporous particles Methods of producing nanoporous particles by spray pyrolysis of a precursor composition including a reactive precursor salt and a nonreactive matrix salt are provided, wherein the matrix salt is used as a templating medium. Nanoporous aluminum oxide particles produc... | 10/02/2007 |
| 7235224 | Process for preparing fine metal oxide particles Disclosed is a process for preparing fine metal oxide particles, comprising the following steps of reacting a reactant mixture comprising i) water, ii) at least one water-soluble metal nitrate and iii) ammonia or ammonium salt at 250–700° C. under 180–550 bar f... | 06/26/2007 |
| 7226573 | Fine-grain silver oxide powder A silver oxide powder that replaces silver powder as a silver conductive paste filler has a specific surface area measured by the BET method is 1.0–25.0 m2/g, average primary particle diameter is 1–50 nm, and average secondary particle diameter is 1... | 06/05/2007 |
| 7223377 | Process for producing micro-mesoporous metal oxide having regulated pores formed by novel template removal method The present invention is the method for preparation of transition metal oxide having micro-mesoporous structure whose average fine pores size is not less than 1 nm and not more than 2 nm comprising, adding and dissolving transition metal salt which is a precursor of... | 05/29/2007 |
| 7201888 | Nanosized silver oxide powder The present invention provides silver oxide particles having an average diameter of less than or equal to 100 nm that are stable and can be transported in dry powder form. The surface of the silver oxide particles is coated with an extremely thin layer of a surfacta... | 04/10/2007 |
| 7163667 | Production process for oxide magnetic material and oxide magnetic material A production process for an oxide magnetic material comprising the steps of blending raw material powder so as to take the composition of a hexagonal ferrite including: at least one kind of an element A selected from the group consisting of Ba, Sr and Ca; Co and Cu;... | 01/16/2007 |
| 7135161 | Method of producing nanosized oxide powders A method of forming metal oxide powders includes the steps of solid state mixing of at least one metal nitrate salt, such as Fe(NO3)3 or a combination of metal nitrate salts such as Zn(NO3)3,6H2O and Ga(NO3... | 11/14/2006 |
| 7122167 | Precious metal recovery from organics-precious metal compositions with supercritical water reactant A supercritical oxidation process carried out in water is capable of oxidizing “organics” in precious metal organic compositions such as heterogeneous (Pt/C) or homogeneous precious metal catalysts and producing a precious metal oxide with few by-products and lo... | 10/17/2006 |
| 7118727 | Method of making oxide particles The present invention provides a process for producing particles, such as oxide nanoparticles, in a substantially water-free environment. The process involves mixing at least one metal compound of the formula MX(m−n) with at least one surfactant and at ... | 10/10/2006 |
| 7105136 | Controlled morphogenesis of copper salts In a method for preparing copper salts from at least one cupriferous and one additional reactant, the reactants are used to prepare micro-emulsions while employing at least one block polymer, the intermediate products obtained this way are mixed and reacted together... | 09/12/2006 |
| 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 |
| 7094301 | Method of forming a joint A method of joining at least two sintered bodies to form a composite structure, including providing a first multicomponent metallic oxide having a perovskitic or fluorite crystal structure; providing a second sintered body including a second multicomponent metallic ... | 08/22/2006 |
| 7087100 | Preparation of nanosized copper and copper compounds The present invention is a process for producing nanosized metal compounds. The preferred product is nanosized copper, nanosized copper (I) oxide, and nanosized copper (II) oxide. The process includes heating a copper metal precursor in a hydrocarbon preferably sele... | 08/08/2006 |
| 7081234 | Process of making hydrophobic metal oxide nanoparticles A process of treating metal oxide nanoparticles that includes mixing metal oxide nanoparticles, a solvent, and a surface treatment agent that is preferably a silane or siloxane is described. The treated metal oxide nanoparticles are rendered hydrophobic by the surfa... | 07/25/2006 |
| 7011898 | Method of joining ITM materials using a partially or fully-transient liquid phase A method of forming a composite structure includes: (1) providing first and second sintered bodies containing first and second multicomponent metallic oxides having first and second identical crystal structures that are perovskitic or fluoritic; (2) providing a join... | 03/14/2006 |
| 6984369 | Process for making surfactant capped metal oxide nanocrystals, and products produced by the process Disclosed is a process for making surfactant capped nanocrystals of metal oxides which are dispersable in organic solvents. The process comprises decomposing a metal cupferron complex of the formula MXCupX, wherein M is a metal, and Cup is a N-... | 01/10/2006 |
| 6951398 | Deformable reflecting mirrors from metallic surface layers deposited on liquids The invention relates to a new type of reflective optical element made of a reflective metallic layer comprising reflecting nanoparticles deposited on a liquid surface. Metallic or non-metallic nanometer-sized particles are coated with a ligand. The coated particles... | 10/04/2005 |
| 6926999 | Positive electrode active material for alkaline cell A cathode active material for alkaline electrochemical cells comprising an Ag—Bi-M-containing oxidation product produced by oxidizing with an oxidizing agent an Ag—Bi-M-containing neutralized precipitate obtained by reacting inorganic acid salts of silver, bismu... | 08/09/2005 |
| 6916499 | Method of forming a light butter A method of forming a light butter that includes removing water or butter fat from a feed material to yield a first intermediate and a second intermediate, the feed material including butter, the first intermediate including butterfat, the second intermediate includ... | 07/12/2005 |
| 6908600 | Method for obtaining pigments for ceramic and glass, and pigments obtained thereby A method for obtaining pigments for ceramic and glass, particularly for substrates and coatings, including a step of adding a solution of an iron salt to at least one silicon addition agent including silica in gel form. ... | 06/21/2005 |
| 6849574 | Silver- and vanadium-containing multimetal oxide and its use A multimetal oxide of the formula I Aga−bMbV2Ox*c H2O, I where M is a metal selected from the group consisting of Li, Na, K, Rb, Cs, Tl, Mg, Ca, Sr, Ba, Cu, Zn, Cd, Pb, Cr, Au, Al, Fe... | 02/01/2005 |
| 6849798 | Photovoltaic cell using stable Cu2O nanocrystals and conductive polymers The present invention relates to the use of a nanocrystalline layer of Cu2O in the construction of photovoltaic cells to increase the ability of the photovoltaic cells to utilize UV radiations for photocurrent generation. ... | 02/01/2005 |
| 6797017 | Preparation of ε-phase silver vanadium oxide from γ-phase SVO starting material The current invention relates to the preparation of an improved cathode active material for non-aqueous lithium electrochemical cell. In particular, the cathode active material comprises ε-phase silver vanadium oxide prepared by using a γ-phase silver vanadium oxi... | 09/28/2004 |
| 6719924 | Superconducting device and method of manufacturing the same There is provided a superconducting device including a substrate, a first superconductor layer supported by the substrate and containing Ln, AE, M and O, and a second superconductor layer containing a material represented by a formula of (Yb1−yLn′ | 04/13/2004 |
| 6596246 | Process for producing stable cupric hydroxide and basic cupric salts Stable copper hydroxide is prepared by removing ferrous ion from the beginning cupric solution. The ferrous ion is oxidized to ferric ion, and the ferric ion is precipitated by raising the pH of the solution to 3-4. The utilization of phosphate ion both i... | 07/22/2003 |
| 6537510 | Conductive pigment powder and transparent conductive film formed by using the same One embodiment of the present invention provides a conductive pigment powder, which includes indium oxide, tin and gold, and having a purple color tone. Other embodiments of the present invention provide a method of producing a conductive pigment powder; ... | 03/25/2003 |
| 6517802 | Methods of synthesis for nanostructured oxides and hydroxides A chemical synthetic route for nanostructured materials that is scalable to large volume production, comprising spray atomization of a reactant solution into a precursor solution to form a nanostructured oxide or hydroxide precipitate. The precipitate is ... | 02/11/2003 |
| 6432871 | Process for manufacturing a catalyst body for generating hydrogen and a catalyst body for generating hydrogen A process for manufacturing a catalyst body for generating hydrogen having at least one thin, large-surface catalyst layer, through which the reaction mixture can be passed includes steps of pressing a copper powder (particularly dendritic copper) to form... | 08/13/2002 |
| 6365555 | Method of preparing metal containing compounds using hydrodynamic cavitation A process for the preparation of nanostructured materials in high phase purities using cavitation is disclosed. The method comprises mixing a metal containing solution with a precipitating agent and passing the mixture into a cavitation chamber. The chamb... | 04/02/2002 |
| 6365766 | Metallic copper catalyst and process for the synthesis of organohalosilanes Organohalosilanes are prepared by reacting an organic halide with metallic silicon particles in the presence of a metallic copper catalyst which is a metallic copper powder in flake form having a bulk specific gravity of 1-3 g/cm3 and a mean pa... | 04/02/2002 |
| 6355821 | Preparation of metal alkoxides Methods of forming metal alkoxides and methods of forming precursor solutions of metal alkoxides suitable for the coating of glass in the manufacture of electrochromic devices are disclosed. The method of forming metal alkoxides involves dissolving the me... | 03/12/2002 |
| 6346201 | Ozonated solutions of tetrasilver tetroxide The invention provides an ozonated form of the compound tetrasilver tetroxide, a water disinfection method employing the ozonated tetrasilver tetroxide and compositions comprising the ozonated tetrasilver tetroxide. Examples of compositions of the inventi... | 02/12/2002 |
