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7575629 Pollutant emission control sorbents and methods of manufacture  
Sorbents for removal of mercury and other pollutants from gas streams, such as a flue gas stream from coal-fired utility plants, and methods for their manufacture and use are disclosed. The methods...
7494641 Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid  
Disclosed is a process that relates to the recovery of a metal catalyst from an oxidizer purge stream produced in the synthesis of carboxylic acid, typically terephthalic acid. The process involves...
7470419 Granules of powdery mineral and method for production of granules  
The present application relates to granules of powdery mineral particles produced by spray granulation of a liquid slurry comprising powdery minerals particles having particle size below 10 m, at...
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...
7341700 Method for recovery of metals from metal-containing materials using medium temperature pressure leaching  
The present invention relates generally to a process for recovering copper and other metal values from metal-containing materials using controlled, super-fine grinding and medium temperature...
7309474 Composition and process  
A solvent extraction composition is comprised of one or more orthohydroxyarylaldoximes and one or more othohydroxyarylketoximes, and one or more equilibrium modifiers in an amount providing a...
7288242 Lithium-containing complex oxide and method of producing same  
A lithium-containing complex oxide exhibits a high performance as a cathode active material of a lithium secondary cell or the like and having a high tap density. A granular lithium-containing...
7255798 Recycling of used perfluorosulfonic acid membranes  
A method for recovering and recycling catalyst coated fuel cell membranes includes dissolving the used membranes in water and solvent, heating the dissolved membranes under pressure and separating...
7217366 Purification of ammonium metallate solutions  
A process for reducing the content of alkali metal impurities (e.g., potassium) in ammonium metallate solutions is described. The process involves subjecting a feed solution containing ammonium...
7217406 Lithium-manganese composite oxide granular secondary particle, method for production thereof and use thereof  
Granular secondary particles of a lithium-manganese composite oxide suitable for use in non-aqueous electrolyte secondary batteries showing high-output characteristics which are granular secondary...
7157072 Cathode composition for lithium batteries and method of preparing the same  
Provided is a cathode composition for lithium secondary battery that includes a lithium-chromium-titanium-manganese oxide that has the formula Li[Li (1-x)/3 Cr x Ti (2/3)y Mn 2(1-x-y)/3 ]O 2 where...
7125535 Method of preparing anhydrous manganese chloride  
An efficient process for forming anhydrous metal halides includes the reaction of a metal powder with a hydrogen halide under anhydrous conditions. In one example, manganese powder is reacted with...
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...
7105138 Macroporous perovskite manganese oxides with highly ordered nano-pores and method of preparing the same  
The present invention relates to the macroporous manganese oxide material having ferromagnetic property and a method of preparing the same, more particularly to the macroporous ferromagnetic...
6998069 Electrode material for positive electrodes of rechargeable lithium batteries  
The electrode material for positive electrodes of rechargeable lithium batteries is based on a lithium transition metal oxide. Said lithium transition metal oxide is a lithium transmission metal...
6936090 Process for isolating rhenium  
A process for elution of rhenium adsorbed on strongly basic ion-exchange resins by means of highly concentrated aqueous hydrochloric acid solution is described, in which the ion-exchange resin is...
6869547 Stabilized electrochemical cell active material  
Stabilized lithiated manganese oxide (LMO) is prepared by reacting cubic spinel lithium manganese oxide particles and particles of an alkali metal compound in air for a time and at a temperature...
6736958 Ion sensing method  
The present invention allows the determination of trace levels of ionic substances in a sample solution (ions, metal ions, and other electrically charged molecules) by coupling a separation method,...
6709641 Method for extracting anions  
The invention relates to a method of extracting anions based on metals of groups IV B to VIII of the periodic table from aqueous solutions thereof, wherein compounds of general formula are used...
6692665 Lithium managanese oxide, cathode material for lithium secondary battery, cathode, lithium secondary battery and process for manufacturing lithium manganese oxide  
The invention provides a lithium manganese oxide spinel suited as a cathode active material for lithium ion secondary batteries showing excellent high-temperature cycling behavior. The lithium...
6589492 Process for recovering catalyst components from a mother liquor of liquid phase oxidation  
A process for recovering components of a catalyst from a mother liquor of liquid phase oxidation in production of aromatic carboxylic acids by liquid phase oxidation of aromatic hydrocarbons having...
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 (Re x Tm)O y , where Re is at least one rare earth element, Tm...
6517701 Lead, zinc and manganese recovery from aqueous solutions  
Aqueous solutions containing lead, zinc and manganese are treated to recover these metals by sequential solvent extraction steps. Solvent extractants are selected to extract preferentially lead,...
6500395 Method for removing metals from air pollution control residues  
A method for the treatment of air pollution control (APC) residues comprising the steps of washing the residues at least one time in an alkaline solution maintained at a pH not lower than about...
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...
6409978 Method of removing impurities from mineral concentrates  
A process for removing impurities contained in the crystal lattice of minerals, comprising the steps of forming a mixture of a mineral capable of structurally reorganizing its crystal lattice which...
6274104 Non-ferrous metal recovery method utilizing a melt sulphation reaction  
The invention relates to a method for recovering non-ferrous metals, particularly nickel, cobalt, copper, zinc, manganese and magnesium, from materials containing said metals by converting said...
6267936 Method for effecting solvent extraction of metal ions using hydrocarbon soluble aminomethylene phosphonic acid compounds  
Solvent extraction of one or more metal ions from an aqueous solution in the presence of hydrocarbon-soluble aminomethylenephosphonic acid derivatives.
6200377 Process for beneficiation of mixtures of mineral particles  
An improved process for the beneficiation of mixtures of mineral particles (such as kaolin clays) containing minerals which chelate with hydroxamates. The use of a silicon-containing compound in...
6171562 Process for the extraction and elimination of deleterious material from natural manganese dioxide and concentrate of manganese dioxide obtained by said process  
This invention relates to a new process for the extraction and elimination of deleterious material present in natural manganese dioxide (NMD), as well as in natural manganese dioxide obtained by...
6156280 Process for removing manganese from organic solutions of oximes and nickel ore treatment process  
Process for removing manganese values from a solution of a water-immiscible hydrocarbon containing manganese values and a water-insoluble oxime extractant capable of extracting nickel values from...
6153155 Recovery of the transition metal component of catalyst used in heavy feed hydroconversion  
The invention relates to a process for recovering the transition metal component of catalysts used in the hydroconversion of heavy hydrocarbonaceous materials. In accordance with the invention, a...
6110433 Process for the recovery of metals from used nickel/metal/rare earth hydride storage batteries  
The invention relates to a process for recovering metals from used nickel/hydride storage batteries, in which storage battery scrap has been mechanically comminuted and divided into at least a...
6063344 Removing anions from alkaline silicate solutions  
A method of removing HMO 2 - anions from an aqueous silicate solution comprising contacting the solution with a cationic ion exchange resin, where M is manganese, zinc, copper, nickel, or a...
6063160 Method for sintering finely divided material  
The invention relates to a method and apparatus for sintering finely divided material, containing manganese compounds with a particle size less than 6 mm and a high degree of oxidation, by means of...
5961950 Method for preparing solid solution materials such as lithium manganese oxide  
Lithiated manganese oxides are synthesized using a novel two stage process. Using appropriate starting materials, lithiation is accomplished via low temperature ion exchange in aqueous warm salt...
5955394 Recovery process for oxidation catalyst in the manufacture of aromatic carboxylic acids  
An improved separation process for the continuous catalytic oxidation of aromatic alkyls for the production of aromatic carboxylic acids in a liquid solvent medium, wherein the reactor product...
5948565 Cathode material for lithium secondary batteries and a process and a precursor material for the production thereof  
A process is disclosed for the preparation of lithium secondary battery cathode active materials which are of the form Li y Mn 2 -z M 2 O 4 where M is selected from the group consisting of Co,...
5945342 Method for digesting spent ion exchange resins and recovering actinides therefrom using microwave radiation  
The present invention relates to methods for digesting diphosphonic acid substituted cation exchange resins that have become loaded with actinides, rare earth metals, or heavy metals, in a way that...
5891407 Process for producing pure ammonium metallates  
The present invention relates to a process for the production of pure ammonium metallates of the metals W, Mo, V, Cr and Re, wherein alkaline metal salt solutions are adjusted to a pH value in the...
5881358 Composition for extracting transition metal and method for extracting transition metal using the same  
A composition for extracting a transition metal which comprises as an active ingredient a cyclic phenol sulfide represented by the following formula (1): ##STR1## wherein X represents a hydrogen...
5874374 Method for producing engineered materials from salt/polymer aqueous solutions  
A method for producing engineered materials from salt/polymer aqueous solutions in which an aqueous continuous phase having at least one metal cation salt is mixed with a hydrophilic organic...
5776329 Method for the decomposition and recovery of metallic constituents from superalloys  
The present invention relates to a method for the decomposition of superalloys and subsequent recovery of the metallic constituents.
5747193 Process for synthesizing lixmny04 intercalation compounds  
A novel process for making Li x Mn y O 4 intercalation compounds, wherein 0<x≤2 and 1.7≤y≤2, comprises the steps of: (1) synthesizing a lithiated manganese oxide precursor by reacting...
5698483 Process for preparing nanosized powder  
A process for producing nano size powders comprising the steps of mixing an aqueous continuous phase comprising at least one metal cation salt with a hydrophilic organic polymeric disperse phase,...
5682593 Extraction of acids and metal salts from aqueous solutions with diethyl dodecylphosphonate  
Use of diethyl dodecylphosphonate (DEDP) for the extraction of acids and metal salts from aqueous solutions.
5587142 Method of dissolving metal oxides with di- or polyphosphonic acid and a redundant  
A method of dissolving metal oxides using a mixture of a di- or polyphosphonic acid and a reductant wherein each is present in a sufficient amount to provide a synergistic effect with respect to...
5534234 Recovery of manganese from leach solutions  
Methods of recovering manganese in the form of manganese carbonate from ores containing manganese and iron while also removing substantially all of the iron contained in the sulfurous acid leach...
5498360 Process for recycling used-up dry cells, and ferrite production process  
Manganese dry cells sorted out of used-up dry cells are crushed and sieved to obtain a mixture composed predominantly of anodic substances, which is in turn used for ferrite production. The...
5496526 Production of intermediate grade manganese concentrate from low grade manganiferous ores  
A process for producing intermediate grade manganese concentrate from low grade manganiferous ores is disclosed. A low grade manganiferous ore containing silicon, iron, between 1 and 20 per cent...
Matches 1 - 50 out of 267 1 2 3 4 5 6 >