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8608935 |
Apparatus and method for synthesis of alane
One embodiment of the invention includes an electrochemical cell and an externally applied electrical potential used to drive a direct synthesis reaction to produce alane. |
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8591720 |
Method and apparatus for achieving maximum yield in the electrolytic preparation of group IV and V hydrides
A method for generating hydride gas of metal M1 in electrochemical cell comprising cathode comprising metal M1, sacrificial anode comprising metal M2, an initial concentration of aqueous... |
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8470156 |
Electrochemical process and production of novel complex hydrides
A process of using an electrochemical cell to generate aluminum hydride (AlH3) is provided. The electrolytic cell uses a polar solvent to solubilize NaAlH4. The resulting electrochemical process... |
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8202405 |
End-box for mercury cathode alkali chloride electrolysis cell
There is disclosed an inlet and outlet end-box design for mercury cathode chlor-alkali electrolysis cells of extended lifetime, comprising a composite mechanical structure consisting of a carbon... |
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8021533 |
Preparation of hydrogen storage materials
A candidate hydrogen storage material, M, capable of reaction with hydrogen to form a hydride, MHm (m=number of H atoms per formula unit), and to subsequently release hydrogen on demand, is... |
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8021536 |
Method and apparatus for achieving maximum yield in the electrolytic preparation of group IV and V hydrides
A method for generating a hydride gas of metal M1 in an electrochemical cell comprising a cathode comprising metal M1, a sacrificial anode comprising metal M2, an initial concentration of aqueous... |
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7857953 |
Oxygen-reducing gas diffusion cathode and method of sodium chloride electrolysis
The present invention provides an oxygen-reduction gas diffusion cathode having: a porous conductive substrate; diamond particle having a hydrophobic surface; and catalyst particle, the diamond... |
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7749476 |
Production of carbonate-containing compositions from material comprising metal silicates
Provided are methods for producing carbonate-containing compositions comprising silicon-based material (e.g., pozzolanic material) from a source of carbon dioxide, a divalent cation-containing... |
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6528182 |
Zinc coated steel plates coated with a pre-lubricating hydroxysulphate layer and methods for obtaining same
The invention concerns a steel plate coated with a metal layer based on zinc and a zinc hydroxysulphate layer, whereof the surface density of sulphur is more than 0.5 mg/m2. The invention also... |
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6478946 |
METHOD OF PRODUCING FULVIC, HUMIC, AND ULMIC ACID FOR USE AS AN ELECTROLYTE IN PRODUCING IONIZED BACTEREACIDES FROM PRECIOUS METALS AND METHOD OF PRODUCING IONIZED BACTEREACIDES FROM PRECIOUS METALS AND ORGANIC ACIDS
A method of preparing organic acids (fulvic, humic, and ulmic) for use as an electrolyte for producing high ionizations of precious metals (such as silver) which entails leaching out the organic... |
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6221234 |
Method for pickling products of a metal alloy in absence of nitric acid and for recovering exhausted pickling solutions and apparatus therefore
A method for pickling products in a metal alloy containing iron, and products in titanium and alloys thereof, in the absence of nitric acid as an oxidizing agent, and for the recovery of the... |
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6181396 |
Irregularly corrugated reflective plate for a liquid crystal display
A reflective liquid crystal display apparatus reflective plate includes embodiments with a full-width at half maximum value in a distribution graph of distances between adjacent projecting or... |
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5716512 |
Method for manufacturing salts of metals
Process and equipment for manufacturing salts of metals, particularly nickel hypophosphite, are disclosed. |
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5676817 |
Process for the production of pure solutions of tungsten and molybdenum
Process for the production of pure tungsten and/or molybdenum solutions from sources, such as alkaline decomposition solutions, which are contaminated with tantalum, niobium, titanium, aluminium,... |
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5599435 |
Aqueous electrochemical preparation of insertion compounds and use in non-aqueous rechargeable batteries
Insertion compounds that are not stable in pure water can be prepared by an aqueous electrochemical method. The pH of the electrolyte and/or the concentration of ions of the inserted species must... |
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5478445 |
Electrochemical process
Improved electrolytic deposition of semiconductors is obtained by separating the anode from the cathode by an ion-exchange membrane. The process is useful in the deposition of IIB/VIB... |
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5248399 |
Method of regenerating aluminum surface cleaning agent
A cleaning agent is used to wash surfaces of aluminum products in a cleaning bath. The cleaning agent is a water-soluble acid containing ferric ions. During the cleaning process, the ferric ions... |
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5160588 |
Process for recovering tellurium from copper electrolysis slime
An improved process for recovering tellurium from copper electrolysis slime. The process comprises leaching copper and tellurium from said slime with sulfuric acid and recovering tellurium from... |
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5071516 |
Process for converting ionic valence number
Enclosed herein is an apparatus for converting an ionic valence number which comprises a gas permeable membrane comprising a catalyst-supporting reaction layer and a hydrophobic gas permeable... |
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4976832 |
Method for making arsenic acid
An arsenate solution is treated by electrolysis with membranes for at least partial conversion into arsenic acid and hydroxide. Electrolysis is carried out in an electrolytic unit containing an... |
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4961909 |
Process for the manufacture of copper arsenate
In a process for the manufacture of copper arsenate, an arsenic-containing material is subjected to an oxidative pressure leach with sodium hydroxide forming a leach solution containing sodium... |
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4948484 |
Process for producing improved electrolytic manganese dioxide
There is provided a process for improving the alkaline discharge capacity of electrolytic manganese dioxide. The process comprises forming a mixture of electrolytic manganese dioxide, a carbon... |
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4877498 |
Method for producing a metal salt by electrolysis
A method for producing a metal salt by electrolysis in an electrolytic cell comprising an anode compartment and a cathode compartment partitioned by a diaphragm, disposing in the anode compartment... |
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4808282 |
Alkaline earth metal compounds and alkali metal substances via electrochemical process
Included is an invention, which in one aspect, is a process for preparing a product of an alkaline earth metal compound having at least one BVB-heteromoeity and by-product of an alkali metal... |
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4654131 |
Recovery of tungsten valves from alkaline solutions
A method of removing sodium ions from an alkaline aqueous solution such as a leach solution which contains dissolved sodium tungstate. The method involves passing the solutions through the anode... |
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4529488 |
Process for depositing salts
A process for depositing a salt by applying an electric current or voltage to at least one pair of electrodes placed in a supersaturated aqueous solution or supercooled molten liquid of an... |
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4372828 |
Process for preparing arsenic acid
A pulsating potential is applied to the anode in the electrolytic oxidation of arsenic trioxide to arsenic acid to reactivate the anode and increase the current density. |
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4312721 |
Electrolytic oxidation process
An electrolytic process for converting cerous ion to ceric iron in an electrolytic cell including a cathode, an anode and an electrolyte. Cobalt is incorporated into the electrolyte in addition to... |
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4283257 |
Process for preparing ammonium metatungstate
In a process for producing ammonium metatungstate from ammonium paratungstate, ammonium paratungstate is introduced in the anode chamber of an electrolytic cell which is separated from the cathode... |
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4235863 |
Method of and cell for generating hydrogen
A method of producing hydrogen and oxygen or oxides wherein electrolysis of n aqueous system is carried out using, in the cathode compartment of the electrolysis cell, a hydride-forming liquid... |
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4234403 |
Electrolytic process for the production of stannous chloride products
A mixture of stannic and chloride ions having a chloride to tin ratio of at least 4:1 (e.g., stannic anion complexes) is provided to the cathode compartment of an electrolysis cell in which the... |
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4225396 |
Vanadium and uranium oxidation by controlled potential electrolysis
A process and apparatus for oxidizing vanadium and uranium in wet process phosphoric acid to a higher valence state for extraction by subsequent contact with complex organic extractants. The wet... |
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4222826 |
Process for oxidizing vanadium and/or uranium
The present invention provides a process for rapidly and efficiently oxidizing either or both vanadium and uranium from the trivalent and guadrivalent oxidation states, respectively, to the... |
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3947332 |
Preparation of heteropoly acids of tungsten and molybdenum
Heteropoly acids of tungsten and molybdenum, such as tungstosilicic acid and molybdosilicic acid, are produced by first preparing an aqueous solution of an alkali metal tungstate or molybdate and... |
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3941669 |
Fluidized bed electrode system
A fluidized bed electrode system comprises an electrode chamber having a porous base, a main electrode consisting of a bed of fine solid particles contained in such chamber and selected from the... |
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3936362 |
Process for the manufacture of ammonium tungstate ammonium paratungstate, ammonium metatungstate and hydrated tungsten trioxide
Ammonium tungstate, ammonium paratungstate, ammonium metatungstate or hydrated tungsten trioxide is produced by passing tungstate anions through an anion exchange membrane into an aqueous solution... |
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3887446 |
Electrochemical preparation of metallic tellurides
Tellurides of cadmium lead and tin are prepared by an electrochemical method wherein a tellurium cathode and a anode of the metal which will form the positive ion of the telluride are used in... |
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3849265 |
ELECTRO-OXIDATIVE METHOD FOR THE RECOVERY OF MOLYBDENUM FROM SULFIDE ORES
This invention relates to a method for the dissolution of molybdenum and rhenium values in a sulfide-type source. These values are placed in a soluble and available form by pulverizing the source... |
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3759804 |
ELECTROCHEMICAL OXIDATION OF THALLIUM DERIVATIVES
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3707448 |
METHOD FOR EXTRACTING METAL FROM A METAL SOURCE IN AN ELECTROLYTIC CELL
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3546083 |
POLYMERIZATION OF OLEFINIC COMPOUNDS AND CATALYSTS THEREFOR
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3486992 |
PROCESS FOR ELECTROLYTIC OXIDATION OF THALLIUM OR CERIUM SALTS
1,209,991. Electrolytic oxidation. CINCINNATI MILLING MACHINE CO. Feb. 5, 1968 [Feb. 15, 1967], No.5620/68. Heading C7B. A solution of a thallium (I) or cerium (III) salt, e.g. the sulphate, is... |
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3476663 |
PROCESS FOR DERIVING PRECIOUS METAL VALUES FROM SEA WATER ENVIRONMENTS
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3419484 |
Electrolytic preparation of semiconductor compounds
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3293160 |
Electrolytic manufacture of manganates and/or permanganates
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3051636 |
Electrolytic preparation of cadmium salts
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3033766 |
Production of borane derivatives
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2854390 |
Method of making cadmium niobate
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2798845 |
Method of purifying alkali aluminate lye
Sodium aluminate lye, for example from the Bayer process, are purified from iron, chromium, vanadium and gallium by electrolysis using a stirred mercury cathode. Iron, chromium and vanadium... |
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2767135 |
Electrolytic transfer of salts
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