Class 423/23 - Group IB metal (Cu, Ag, or Au)

Subclass of Class 423 - Chemistry of inorganic compounds
Definition: Processes wherein the compound comprises copper, silver
No. of patents: 130
Last issue date: 12/20/2011

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Number	Title	Issue Date
8080223	Method of making a composite from metal oxide and polymer precursors A method of making a composite from a composition including a metal oxide precursor and polymer precursor by exposing the metal oxide precursor to a gas having a humidity level of about 40% to about 70% for at least about one hour. ...	12/20/2011
8029751	Reduction of lime consumption when treating refractory gold ores or concentrates The present invention is directed to a precious metal recovery process in which basic ferric sulphates and/or jarosites are controlled by a number of mechanisms, including control of the oxidation reaction conditions in the first autoclave compartment, hot curing of...	10/04/2011
7862785	Use of surfactants in the production of metal An aqueous sulfuric acid-containing composition which comprises at least one surfactant, and a process for extricating metal from metal-containing materials with the aid of this aqueous sulfuric acid-containing composition are described. ...	01/04/2011
7744834	Method for manufacturing metal nanoparticles A method for manufacturing metal nanoparticles, the method including forming a mixture by dissociating a metallic salt of a metal selected from the group consisting of Ag, Pd, Pt, Au and an alloy thereof as a metal precursor in fatty acid; and adding a metallic salt...	06/29/2010
7435405	Anti-oxidation method for sulfide minerals in sulfide ore By suppressing oxidation of sulfide minerals in sulfide ore due to bacteria or the like, this invention prevents the elution of heavy metals from the sulfide ore, and reduces the decrease in flotation performance when processing sulfide ore that is stored in a stock...	10/14/2008
7431902	Separation of ammonia from sulfur compounds A method for separating ammonia and sulfides from a sour water stream is disclosed. The stripping of a sour water stream where it is stripped to create a sour water stripper overhead gas and then contacted with an alkali hydroxide in order to separate ammonia and ma...	10/07/2008
7410930	Recovering catalyst and carrier by exfoliating overcoat layer on the surface of a catalyst layer The present invention is a method for recovering a catalyst from a catalyst body comprising a carrier having a catalyst layer formed on at least a part of the surface thereof, which comprises (a) a step of forming an overcoat layer on the surface of the catalyst lay...	08/12/2008
7316700	Self optimizing lancing device with adaptation means to temporal variations in cutaneous properties A lancing device, an embodiment of which controls the advancement and retraction of a lancet by monitoring the position of the lancet in conjunction with a lancet controller which incorporates a feedback loop for modulating the lancet driver to follow a predetermine...	01/08/2008
7264781	Calcining plant and method Particulate material to be calcined is conditioned and then introduced into a stream of flue gases which transport the material along a sloping drying duct while drying the material. The dried material is then introduced into the same stream of flue gases upstream o...	09/04/2007
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
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
7175819	Regeneration of cupric etchants and recovery of copper sulfate Spent, acidic solutions comprising cupric chloride and hyrdrochloric acid from the copper etching process are regenerated by a process in which the acid is subjected to distillation with sulfuric acid. In one embodiment, the process comprises (a) providing a spent e...	02/13/2007
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
7160525	Monodisperse noble metal nanocrystals Nanoparticle compositions of noble metals, and methods of making them, are described. The nanoparticle compositions are made by reacting a salt or complex of a noble metal, such as Au, Ag, Cu or Pt, with a weak ligand, and a reducing agent, in a single liquid phase....	01/09/2007
7141227	Apparatus and method for preparing cerium oxide nanoparticles This invention provides a method for preparing cerium oxide nanoparticles with a narrow size distribution. The cerium oxide nanoparticles obtained by the method of the invention are nearly all crystalline. The method comprises providing a first aqueous solution comp...	11/28/2006
7128840	Ultrasound enhanced process for extracting metal species in supercritical fluids Improved methods for the extraction or dissolution of metals, metalloids or their oxides, especially lanthanides, actinides, uranium or their oxides, into supercritical solvents containing an extractant are disclosed. The disclosed embodiments specifically include e...	10/31/2006
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
7091525	Apparatus for producing a display unit A display device is formed by burying at least part of a light emitting device in an insulating material, wherein a drive electrode for the light emitting device is formed so as to be extracted on a surface of the insulating material. A display unit is produced by t...	08/15/2006
7045113	Mo-Cu Composite powder A Mo—Cu composite powder is provided which is comprised of individual finite particles each having a copper phase and a molybdenum phase wherein the molybdenum phase substantially encapsulates the copper phase. The composite powder may be consolidated by conventio...	05/16/2006
7018593	Base metal recovery from a tailings dump by bacterial oxidation A method of recovering base metal from a tailings dump which includes the steps of: aerating a surface layer of the dump; adjusting the pH and the moisture content of the surface layer to provide conditions favourable for bacterial oxidation of sulphide minerals; al...	03/28/2006
6855527	Method of biotreatment for solid materials in a nonstirred surface bioreactor A method of biotreating a solid material to remove an undesired compound using a nonstirred surface bioreactor is provided. According to the method, the surface of a plurality of coarse substrates is coated with a solid material to be biotreated to form a plurality ...	02/15/2005
6712998	Process for producing transparent conductive layer forming coating liquid A process produces a transparent conductive layer forming coating liquid by combining a colloidal dispersion of fine silver particles, a reducing agent and at least one of an alkali metal aurate solution and/or an alkali metal platinate solution to obtain a colloida...	03/30/2004
6656588	Ultrafine powders and their use as lasing media Doped, nanosize metal oxide particles have been shown to exhibit stimulated emission and continuous-wave laser action when energized appropriately, for example by electron beams. The doped particles are useful as solid state lasing devices and "laser pain...	12/02/2003
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 nanocrystals associated with the organic ligand. The nanocry...	11/11/2003
6627118	Ni alloy particles and method for producing same, and anisotropic conductive film A crystalline Ni alloy particle for an anisotropic conductive film comprising Ni and a metalloid element such as P, B, etc. and having a structure in which a Ni intermetallic compound phase is precipitated can be produced by preparing substantially amorph...	09/30/2003
6599414	Solvent extraction processes for metal recovery An improvement in the solvent extraction process for recovering metal values, i.e. copper, from acidic aqueous solutions containing copper and iron which may also include chloride, and more particularly to an improvement which provides for increased coppe...	07/29/2003
6596053	Processes for the recovery of copper from aqueous solutions containing nitrate ions A process for the recovery of copper from an aqueous phase containing nitrate ions, in which the aqueous phase is contacted with a solution of an oxime extractant in a water-immiscible organic solvent, which comprises using at least one of the following p...	07/22/2003
6582814	Rare earth-transition metal oxide pigments Rare earth-transition metal oxides are used as pigments. The rare earth-transition metal oxide pigments are preferably of the formula (Rex Tm)Oy, where Re is at least one rare earth element, Tm is at least one transition metal, x ran...	06/24/2003
6569358	Method for incorporating metal nanoparticles in porous materials The method of preparing the porous material incorporating ultrafine metal particles comprises the following steps: (1) preparing surface-protected ultrafine metal particles by reducing metal ions in the presence of molecules such as dodecanethiol molecule...	05/27/2003
6558581	Transparent electro-conductive structure, process for its production, transparent electro-conductive layer forming coating fluid used for its production, and process for preparing the coating fluid A transparent electro-conductive structure comprising a transparent substrate and formed successively thereon a transparent electro-conductive layer and a transparent coat layer, which is used in, e.g., front panels of display devices such as CRTs. The tr...	05/06/2003
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
6524499	Transparent conductive film and display device The transparent conductive film of the present invention is formed to have a conductive layer containing at least ruthenium fine particles, gold fine particles and silver fine particles, the weight ratio of ruthenium fine particles and gold fine particles...	02/25/2003
6503468	Method of preparing silver-doped vanadium pentoxide antistatic agent A method of doping vanadium pentoxide with silver comprising the steps of: providing vanadium pentoxide gel providing stable colloidal silver and combining the vanadium pentoxide gel and the colloidal silver at room temperature for a period sufficient for...	01/07/2003
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 the nanoclusters are bound, followed by isolating the desorb...	12/17/2002
6476287	Sulfite treatment of spent industrial wastes A method of treating metal-contaminated spent foundry sand, or other industrial waste, by combining the sand with a sulfite to produce insoluble metal sulfur oxide complexes that do not leach from the sand. The treated waste may also be processed to reduc...	11/05/2002
6461581	Clathrate compounds and manufacturing method thereof The present invention provides a clathrate compound which can be used as a thermoelectric material, a hard material, or a semiconductor material. Silicon or carbon are formed into a clathrate lattice, and a clathrate compound is then formed in which speci...	10/08/2002
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
6432167	Processes for the recovery of copper from aqueous solutions containing nitrate ions A process for the recovery of copper from an aqueous phase containing nitrate ions, in which the aqueous phase is contacted with a solution of an oxime extractant in a water-immiscible organic solvent, which comprises using at least one of the following p...	08/13/2002
6390301	Process for removing impurities from kaolin clays A process for the flocculation of impurities from clays in which the following steps are performed: blunging the clay with a dispersing agent or combination of dispersing agents in water to form an aqueous dispersion, treating the aqueous dispersion with ...	05/21/2002

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Class 423/23 - Group IB metal (Cu, Ag, or Au)