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8158056 |
Reactor for producing metal nanoparticles and arrangement having the reactor
An arrangement producing metal nanoparticles includes a γ-ray irradiator installed in a radioactive shielding room, a reactor that is disposed to oppose the γ-ray irradiator, and a power supply i...
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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...
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7736485 |
Nanoplatelet magnesium hydroxides and methods of preparing same
Nanoplatelet forms of metal hydroxide and metal oxide are provided, as well as methods for preparing same. The nanoplatelets are suitable for use as fire retardants and as agents for chemical or...
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7608538 |
Formation of vertical devices by electroplating
The present invention is related to a method for forming vertical conductive structures by electroplating. Specifically, a template structure is first formed, which includes a substrate, a discrete...
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7273537 |
Method of production of metal particles through electrolysis
A method of producing metal particles through electrolysis. A cathode having a plurality of active zones on a surface thereof is at least partially immersed in a reaction solution. The cathode is...
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7166203 |
Controlled concentration electrolysis system
A system for maintaining a concentration range of an electroreducible metal species undergoing electrolysis within a predetermined concentration range comprises a first container containing a body...
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6919009 |
Method of manufacture of colloidal rod particles as nanobarcodes
A method is disclosed for the manufacture of colloidal rod particles as nanobarcodes. Template membranes for the deposition of materials are prepared using photolithographic techniques.
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6755953 |
Method for forming ordered structure of fine metal particles
In order to preventing thiol-coated metal particles from being liberated from a self-aligning membrane on a substrate during coating the metal particles deposited on the self-aligning membrane with...
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6695960 |
Method for producing a metal alloy powder such as MCRALY and coatings obtained with same
The invention concerns a method comprising a step which consists in producing, on a precursor alloy powder containing at least the elements Cr, Al and Y, using a chemical or electrolytic deposition...
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6676821 |
Electrochemical production of amorphous or crystalline metal oxides with particles sizes in the nanometer range
Amorphous and/or crystalline oxides of metals of the third to fifth main group or subgroups of the periodic table are obtained in particulate form by an electrochemical process. The process is...
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6274021 |
Method for making layer electrodes
The invention relates to a method and an apparatus for producing an electrode coating. The fundamental idea of the invention is to regulate in a time-defined manner at any instant during an...
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6203732 |
Method for manufacturing intraluminal device
A generally tubular device (e.g., a stent or catheter) for placement in a lumen of a patient's body is made by forming a depressed pattern in an external surface of a mold. The depressed pattern...
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5837119 |
Methods of fabricating dendritic powder materials for high conductivity paste applications
Methods for forming pastes of dendrites particles coated with an electrically conductive coating are described. A surface is placed in contact with an electrolytic or electroless plating solution....
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5789348 |
Preparation of superconductor precursor powders
A process for the preparation of a precursor metallic powder composition for use in the subsequent formation of a superconductor. The process comprises the steps of providing an electrodeposition...
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5785837 |
Preparation of transparent conductors ferroelectric memory materials and ferrites
A process for the preparation by electrodeposition of metal oxide film and powder compounds for ferroelectric memory materials and ferrites wherein the metal oxide includes a plurality of metals....
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5670033 |
Process for making copper metal powder, copper oxides and copper foil
This invention is directed to a process for making copper metal powder from copper-bearing material, comprising: (A) contacting said copper-bearing material with an effective mount of at least one...
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5578183 |
Production of zinc pellets
Uniform zinc pellets are formed for use in batteries having a stationary or moving slurry zinc particle electrode. The process involves the cathodic deposition of zinc in a finely divided...
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5462647 |
Preparation of lead-zirconium-titanium film and powder by electrodeposition
A process for the preparation of lead-zirconium-titanium (PZT) film and powder compositions. The process comprises the steps of providing an electrodeposition bath, providing soluble salts of lead,...
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5370784 |
Electrolytic process for the production of fine-grained, single-phase metallic alloy powders
A process for electrolytic production of fine-grained, single-phase, metallic alloy powders, especially powders of intermetallic compounds as well as noble metal alloy powders, is described in...
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5200054 |
Ice electrode electrolytic cell
This invention relates to a method and apparatus for removing heavy metals from waste water, soils, or process streams by electrolytic cell means. The method includes cooling a cell cathode to form...
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4882014 |
Electrochemical synthesis of ceramic films and powders
Ceramic precursor compositions, such as metal hydroxides and oxides, are electrochemically deposited in a biased electrochemical cell. The cell typically generates hydroxide ions that precipitate...
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4773978 |
Apparatus for the production of metals by electrolysis
An apparatus for extraction of metals by electrolysis comprising a means for applying a cathodic current of sufficient magnitude with respect to the cross-sectional dimension of an opening in an...
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4770750 |
Process for producing transition metal powders by electrolysis in melted salt baths
The invention relates to a process for producing transition metal powders by electrolysis in melted salt baths. This process is characterized in that electrolysis is performed in such a way that...
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4724051 |
Impure zinc powder, preparation thereof, and use as a selective reductant for pentachloropyridine
Powders consisting essentially of zinc but having lead contents of from about 1000 to about 30,000 ppm can readily be produced by electrolysis of lead-containing, zinc halide solutions and are...
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4715934 |
Process and apparatus for separating metals from solutions
Process and apparatus for separating metal from a solution in which the metal has been dissolved by use of an electrochemical cell having a cathode electrode with a metal-collecting face. A...
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4676877 |
Process for production of fine and ultrafine zinc powders by electrolysis in a basic medium
The present invention relates to a process for the production of fine and ultrafine powders of zinc by electrolyzing using a basic medium. A cathode coated with a film of varnish or silicon...
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4544463 |
Method for producing equiaxed iron or iron alloy particles
A method is disclosed for producing iron or iron alloy particles. A metal or metal alloy strip having fine particles of iron or alloy distributed throughout is provided. The metal strip is...
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4540477 |
Apparatus for producing acicular or equiaxed iron or iron alloy particles
An apparatus for collecting ferromagnetic particles distributed in metal or metal alloy material is disclosed. A tank containing an electrolyte is provided to electrochemically dissolve the metal...
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4508599 |
Method and apparatus for regeneration of a copper-containing etching solution
A method and apparatus for the regeneration of a copper-containing etching solution which contains copper (II) chloride as well as alkali chloride as a sequestering agent, wherein the cathode is...
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4507182 |
Process for preparing metal by electrolysis, especially lead, and by-product obtained by their application
The present invention is a process for preparing a lead or copper metal by electrolysis in a cell having a cathode and an anode which are separated by a diaphragm, which comprises the steps of...
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4406753 |
Electrolytic metal recovery cell and operation thereof
An electrolytic metal recovery cell is described in which a cylindrical cathode is mounted for rotation in a housing having an inlet and outlet for solution from which metal is to be recovered. The...
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4192695 |
Metal crystals and process
A new article of manufacture consisting of a metal crystal which is macrocrystalline, unicrystalline and columnar. The crystal consists of a single prime particle bounded by at least two sets of...
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4183794 |
Zinc extraction method
A method of extracting primary zinc metal from ore concentrates is described. The method includes providing first and second electrolytic cells, the first cell receiving an acid zinc sulfate...
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4164453 |
Method for regenerating zinc
The invention relates to a method and device for regenerating zinc for use in electric traction batteries. It consists of putting an alkaline solution of zincate in contact with two electrodes at...
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4159928 |
Process for production of aluminum
Disclosed herein is a process for producing aluminum by the steps of electrolyzing an electrolytic bath composed preponderantly of aluminum chloride while using a tungsten plate or a silicon...
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4134800 |
Process for electrolytic iron powder
An improved process for producing electrolytic iron is primarily based on maintaining the electrolytic bath at a low concentration of ferrous sulfate ions in combination with a certain...
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4120758 |
Production of powder metallurgy alloys
Methods for producing alloy metal powders by electrodeposition are disclosed. Compositions comprising a core surrounded by at least one discrete, substantially laminar layer of a metal different...
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4115210 |
Method of electrolytically preparing a metal in pulverulent form
A method and apparatus for electrolytically preparing in an electrolytic cell metal, preferably zinc, in pulverulent form from a compound of the metal, for example, zinc oxide, in an aqueous...
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4097354 |
Continuous process for electrolytic refining and electrowinning of elements and compounds
A process and apparatus for the continuous electrolytic refining and electrochemical extraction of elements and compounds, in which cathodes and anodes, connected to a D.C. power supply, are...
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4092223 |
Copper coated, iron-carbon eutectic alloy powders
A mechanical mixture of selected powders is subjected to compressive forces to define a pre-compact, the pre-compact then being subjected to liquid phase sintering for producing a raw alloy steel...
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4067795 |
Process for coal liquefaction using electrodeposited catalyst
A process for the liquefaction of solid hydrocarbonaceous materials is disclosed. Particles of such materials are electroplated with a metal catalyst and are then suspended in a hydrocarbon oil and...
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4064033 |
Electrolytic cell for electrolytically preparing a metal in pulverulent form
A method and apparatus for electrolytically preparing in an electrolytic cell metal, preferably zinc, in pulverulent form from a compound of the metal, for example, zinc oxide, in an aqueous...
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4046643 |
Production of multi-metal particles for powder metallurgy alloys
Methods for integrating alloy components into individual powder metallurgy particles, as opposed to the conventional side-by-side mixture of the separate powder particles of each individual...
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4028199 |
Method of producing metal powder
A metal powder e.g. copper or zinc, is produced from a dilute aqueous solution of the metal by subjecting the dilute aqueous solution to electrolysis in a cell having a rotating cylinder cathode...
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4025400 |
Process and apparatus for the recovery of particulate crystalline product from an electrolysis system
In an electrolysis system capable of producing particulate crystalline product having limited adherence to the cathodes, a process and apparatus for the continuous recovery of said product directly...
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4014756 |
Process for making metal powders
Metal powders are made by electrolytically depositing discrete metal particles in the pores of a porous oxide surface of an anodized aluminum article followed by liberation of the metal particles...
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3994785 |
Electrolytic methods for production of high density copper powder
Electrolytic methods for making high density copper powder starting with copper powder of lower apparent density are disclosed. Copper powder of lower apparent density is used as a cathode for the...
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3860509 |
CONTINUOUS ELECTROWINNING CELL
An electrolytic cell is formed with a housing enclosing a flat-faced cathode and anode in closely spaced face-to-face relationship. The cathode comprises a plurality of small diameter cathode...
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3855088 |
PROCESS FOR REMOVING CLUSTER ADHERING TO CATHODE DURING ELECTROLYSIS OF MANGANOUS SULFATE
Cluster formed on and adhering to a cathode during electrolysis of manganous sulfate solution containing calcium sulfate and magnesium sulfate in the production of electrolytic manganese dioxide is...
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3836436 |
PROCESS FOR THE ELECTROCHEMICAL MANUFACTURE OF SILVER CONTAINING CATALYSTS
A process is disclosed whereby a silver containing catalyst is produced, in a particle size ranging from 300 to 1,500 A, through the pulsed electrolysis of a solution of a silver salt (e.g., silver...
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