|
Match
|
Document |
Document Title |
|
|
8178477 |
Proppants with carbide and/or nitride phases
Proppants which can be used to prop open subterranean formation fractions are described. Proppant formulations which use one or more proppants of the present invention are described, as well as...
|
|
|
8097227 |
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 heap leaching or lixiviants that include one or more blinding...
|
|
|
8088347 |
Process for recovering copper sulphide from copper bearing ores by froth flotation
Process for recovering copper sulphide and optionally molybdenum sulphide from a copper bearing ore by froth flotation includes crushing said ore,mixing the obtained ground powder with at least a...
|
|
|
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...
|
|
|
8070851 |
Chloride heap leaching
A heap leaching method to recover copper from a primary copper sulphide mineral wherein the mineral is leached in an acidic chloride/sulphate solution in the presence of oxygen with the surface...
|
|
|
8038764 |
Rhenium recovery from superalloys and associated methods
A method of recovering rhenium from rhenium-containing superalloy scrap is provided. The superalloy is usually a nickel-based superalloy. The method includes the steps of forming an oxidation...
|
|
|
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...
|
|
|
7998367 |
Metal-carbon nanotube composites for enhanced thermal conductivity for demanding or critical applications
According to various embodiments of the present teachings, there is a metal-carbon nanotubes composite and methods of making it. A method of forming a metal-carbon nanotube composite can include...
|
|
|
7993613 |
More efficient ether modifiers for copper extractant formulations
The disclosed invention provides water-insoluble, water-immiscible extraction reagent compositions comprising an extractant reagent comprising one or more aldoxime extractants, optionally including...
|
|
|
7981327 |
Method for producing metal particle dispersion, conductive ink using metal particle dispersion produced by such method, and conductive coating film
Disclosed is a method for producing a metal particle dispersion wherein a metal compound is reduced by using carbodihydrazide represented by the formula (1) below or a polybasic acid polyhydrazide...
|
|
|
7976736 |
Process for preparing silver-containing aqueous formulation useful for electrically conductive or reflective coatings
Process for preparing A silver-containing, disperse, water-containing formulation useful for producing electrically conductive and/or optically reflective coatings, which comprises (i) reacting a...
|
|
|
7914762 |
Preparation method of chalcopyrite-type compounds with microwave irradiation
A method for preparing a chalcopyrite-type semiconductor compound which is widely used as a sunlight-absorbing material. More specifically, disclosed is a method for preparing a chalcopyrite-type...
|
|
|
7884048 |
Adsorption composition and process for removal of CO from material streams
Carbon monoxide is removed from streams by adsorption on an adsorption composition which comprises copper, zinc and zirconium oxides and whose copper-comprising component has a degree of reduction,...
|
|
|
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...
|
|
|
7794677 |
Reduction of copper content in the molybdenite concentrate
Methods and systems for removing copper minerals from a molybdenite concentrate. One embodiment provides leaching copper from the molybdenite concentrate with a leaching solution comprising ferric...
|
|
|
7790317 |
Silver vanadium oxide-fluoride material useful as a battery cathode
Metal oxide-fluoride material including silver, vanadium, oxygen and fluorine, such as Ag4V2O6F2, is made and useful as a cathode for a battery. The material is made by subjecting silver oxide,...
|
|
|
7781368 |
Adsorption composition and method of removing CO from streams
Carbon monoxide is removed from streams by adsorption on an adsorption composition which comprises copper, zinc and zirconium oxides and whose copper-comprising component has a degree of reduction,...
|
|
|
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...
|
|
|
7740814 |
Composite materials and method of its manufacture
A novel solution route has been developed that after heat-treatment to 500-600° C. under inert atmosphere, yields highly porous composites of nano-sized metal (Ni) particle inclusions in ceramics ...
|
|
|
7727931 |
Catalysts, activating agents, support media, and related methodologies useful for making catalyst systems especially when the catalyst is deposited onto the support media using physical vapor deposition
Use of physical vapor deposition methodologies to deposit nanoscale gold on activating support media makes the use of catalytically active gold dramatically easier and opens the door to significant...
|
|
|
7722841 |
Polymeric chelant and coagulant to treat metal-containing wastewater
The present invention is directed to the use of a combination of a polymeric chelant and coagulant to treat metal containing wastewater. More particularly, the invention is directed at removing...
|
|
|
7615199 |
Method for the recovery of valuable metals and arsenic from a solution
The invention relates to a method for the treatment of material containing at least one valuable metal and arsenic to form a valuable metal-depleted scorodite sediment and a pure aqueous solution...
|
|
|
7604756 |
Preparation of silver particles using thermoplastic polymers
This invention relates to the synthesis and isolation of colloidal silver particles through the use of thermomorphic polymers and the resulting composition. It further relates to the use of the...
|
|
|
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...
|
|
|
7585475 |
Highly-conductive copper extractant formulations
A method of creating solvent extraction reagent formulations that have high conductivity by combining (a) phenolic oxime extraction reagent(s) or other extraction reagent(s) in the organic phase of...
|
|
|
7566436 |
Counter current mixing reactor
A mixing reactor for mixing efficiently streams of fluids of differing densities. In a preferred embodiment, one of the fluids is supercritical water, and the other is an aqueous salt solution....
|
|
|
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...
|
|
|
7537741 |
Gold and silver recovery from polymetallic sulfides by treatment with halogens
A method for treating a polymetallic sulfide ore containing gold and/or silver, and further containing base metals selected from the group consisting of iron, aluminum, chromium, titanium, copper,...
|
|
|
7531149 |
Synthetic control of metal oxide nanocrystal sizes and shapes
A general, reproducible, and simple synthetic method that employs readily available chemicals permits control of the size, shape, and size distribution of metal oxide nanocrystals. The synthesis...
|
|
|
7455825 |
Method for manufacturing metal sulfide nanocrystals using thiol compound as sulfur precursor
Disclosed herein is a method for manufacturing metal sulfide nanocrystals using a thiol compound as a sulfur precursor. The method comprises reacting the thiol compound and a metal precursor in a...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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 t...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|