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7381394 |
Method for producing perovskite-type composite oxide
Methods of producing a safe and hygienic method for industrially and efficiently producing a perovskite-type composite oxide are provided that can maintain the catalytic activity of a noble metal...
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7368095 |
Composite oxide for solid oxide fuel cell and method for preparation thereof
The present invention provides a composite oxide for a high performance solid oxide fuel cell which can be fired at a relatively low temperature, and which has little heterogeneous phases of...
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7347893 |
Iron oxide pigments from mill scale
The current invention relates to a method of manufacturing iron oxide pigments from mill scale. The mill scale is mixed with alien iron oxide and the resultant mixture is heated to a temperature of...
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7270797 |
Process for producing positive electrode active material for lithium secondary battery
To provide a process for producing a lithium-cobalt composite oxide for a positive electrode of a lithium secondary battery excellent in volume capacity density, safety, charge and discharge cyclic...
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7232557 |
Method for preparation of magnetic spinel ferrites from layered double hydroxide precursors
The invention describes a method of preparing magnetic ferrites from layered precursors in which Fe 2+ is first introduced into the layers of layered double hydroxides (LDHs) in order to prepare...
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7217474 |
Positive electrode active material, non-aqueous electrolyte secondary battery and method for producing positive electrode active material
A non-aqueous electrolyte secondary battery employing a positive electrode active material containing a compound represented by the general formula Li x M y PO 4 , where 0<x≦2 and...
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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...
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7214643 |
Metal oxide and method for producing the same, and catalyst
A metal oxide which has a large pore volume, and is very useful as a catalyst support. An alkaline material is added to an aqueous solution in which a compound of a metal element for composing an...
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7211235 |
Method for producing hydrotalcites
A method is described for the manufacture of hydrotalcites by using at least one compound of a bivalent metal (Component A) and at least one compound of a trivalent metal (Component B), wherein at...
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7208324 |
Liquid composition for forming ferroelectric thin film and process for producing ferroelectric thin film
It is an object to provide a liquid composition for forming a thin film, with which a ferroelectric thin film having excellent characteristics can be prepared even by baking at a low temperature,...
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7195749 |
Chemical-pressure tailoring of low-field, room temperature magnetoresistance in (Ca, Sr, Ba) Fe0.5Mo0.5O3
The room temperature, low field intergrain magnetoresistance (IMR) of the double perovsktite SrFe 0.5 MO 0.5 O 3 is found to be highly tunable by doping either Ca or Ba into the Sr site. The...
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7172748 |
Method for the solid synthesis of ferrates of alkaline or alkaline earth metals and ferrates obtained according to this method
A process for the synthesis of ferrates of alkali metals or alkaline earth metals using a solid route reacts an iron salt and a hydroxide of alkali metals or alkaline earth metals in the presence...
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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...
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7147834 |
Hydrothermal synthesis of perovskite nanotubes
A low-temperature hydrothermal reaction is provided to generate crystalline perovskite nanotubes such as barium titanate (BaTiO 3 ) and strontium titanate (SrTiO 3 ) that have an outer diameter...
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7115242 |
Method for the synthesis of ferrates
A method of synthesis of alkali metal ferrates and alkaline earth metal ferrates, in which a trivalent iron compound is mixed with potash and optionally persulphate, and the mixture is heated at a...
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7094301 |
Method of forming a joint
A method of joining at least two sintered bodies to form a composite structure, including providing a first multicomponent metallic oxide having a perovskitic or fluorite crystal structure;...
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7078127 |
Method for producing positive electrode material of Li-ion secondary battery
A method for producing a positive electrode material adapted to the Li-ion secondary batteries is disclosed. The produced material has the following formula (I),
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7056486 |
Method for preparing lithium manganese spinel complex oxide having improved electrochemical performance
The present invention relates to lithium manganese complex oxide with a spinel structure used as an active material of a lithium or lithium ion secondary battery. Specifically, the present...
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7025946 |
Method for producing soft magnetic hexagonal ferrite sintered material and soft magnetic hexagonal ferrite sintered material
A soft hexagonal ferrite sintered material includes crystal particles of M-type hexagonal ferrite corresponding to a general chemical formula MFe 12 O 19 wherein M is at least one element selected...
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7011898 |
Method of joining ITM materials using a partially or fully-transient liquid phase
A method of forming a composite structure includes: (1) providing first and second sintered bodies containing first and second multicomponent metallic oxides having first and second identical...
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6986879 |
Method for producing complex metal oxide powder
A complex metal oxide powder composed of fine particles, each in an approximately spherical shape, is provided by a method for producing a complex metal oxide powder, which method comprises heating...
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6926912 |
Metal compounds, mixed or sulphated, as phosphate binders
A non-aluminum containing mixed metal compound for pharmaceutical use, which may, for example, be a mixed metal hydroxy carbonate containing magnesium and iron, and may have a hydrotalcite...
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6913855 |
Method of synthesizing electrochemically active materials from a slurry of precursors
A method for making an active material comprises the steps of forming a slurry, spray drying the slurry to form a powdered precursor composition, and heating the powdered precursor composition at a...
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6890500 |
Salt-templated microporous solids
The invention is directed to open-framework and microporous solids well suited for use in catalysis and ion exchange. The microporous solids are constructed by using a salt template which can be...
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6878490 |
Positive electrode active materials for secondary batteries and methods of preparing same
The present invention is a positive electrode active material that can be used in secondary lithium and lithium-ion batteries to provide the power capability, i.e., the ability to deliver or retake...
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6875416 |
Method for producing lithium-transition metal mixtures
The invention relates to a method for producing lithium-transition metal mixtures of general formula Li x (M 1 y M 2 1-y ) n O nz , wherein M 1 represents nickel, cobalt or manganese, M 2 ...
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6838072 |
Plasma synthesis of lithium based intercalation powders for solid polymer electrolyte batteries
The invention relates to a process for preparing lithium intercalation compounds by plasma reaction comprising the steps of: forming a feed solution by mixing lithium nitrate or lithium hydroxide...
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6835367 |
Single step process for the synthesis of nanoparticles of ceramic oxide powders
The present invention relates to a single step process for the synthesis of nanoparticles of phase pure ceramic oxides of a single or a multi-component system comprising one or more metal ions. The...
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6793842 |
Single-crystal ferrite fine powder
A ferrite fine powder having a mean particle size of 0.1 to 30 μm and made of spherical single-crystal particles. The ferrite fine powder has superior physical properties and excellent magnetic...
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6780394 |
High pressure production of perovskites and resulting products
A perovskite feedstock (powder or preform) is placed in a high-pressure cell of a high pressure/high temperature (HP/HT) apparatus and subjected to pressures in excess of about 2 kbar and...
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6770256 |
Process for synthesizing metal oxides and metal oxides having a perovskite or perovskite-like crystal structure
Metal oxides having a perovskite or perovskite-like crystal structure are prepared by a process comprising subjecting a mixture of starring powders to a high energy milling sufficient to induce...
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6758894 |
Strontium iron manganese black pigment
A black pigment substantially free of objectionable transition metal materials is disclosed. This pigment is particularly useful for coloring glass since the absence of the transition metal gives...
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6713037 |
Process for synthesizing noncrystalline lithium based mixed oxides by high energy milling
A process method for producing a lithium based mixed oxide of the formula LiM′ x . . . O y through the steps of combining a lithium oxide with a second oxide having the base metal element...
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6660242 |
Alkaline earth metal ferrite and ferric oxide admixture
A method is disclosed for the manufacture of particles composed of an intimate admixture of barium or strontium ferrite and ferric oxide from a chloride solution containing barium or strontium ions...
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6652780 |
Process for oxidizing iron-doped lithium niobate
A process for oxidizing iron ions contained within iron-doped lithium niobate. The process comprises the steps of protonating the iron-doped lithium niobate crystal and then placing the same into a...
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6599493 |
Method for preparing hydrous iron oxide gels and spherules
The present invention is directed to methods for preparing hydrous iron oxide spherules, hydrous iron oxide gels such as gel slabs, films, capillary and electrophoresis gels, iron monohydrogen...
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6592841 |
Adsorbent for nitrogen oxides and its treatment method
A method of treating a hollandite compound to improve its adsorption of nitrogen monoxide, which comprises subjecting a hollandite compound having a hollandite-type crystal structure and...
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6492016 |
Method for preparing spherical ferrite beads and use thereof
The invention allows the fabrication of small, dense, highly polished spherical beads of hexagonal ferrites with selected compositions for use in nonreciprocal microwave and mm-wave devices as well...
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6488908 |
Spinel ferrite thin film and method of manufacturing the same
A substrate and a target are disposed within a vacuum chamber, and an oxygen partial pressure within the vacuum chamber is set to 1×10 −5 or less. Under this condition, a spinel ferrite thin...
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6416682 |
Method of producing minerals under near-critical, critical and supercritical conditions
The present invention relates to methods of producing synthetic crystals (typically minerals) or comparable inorganic compounds by reactions of metal salts and metal oxyhydroxides under...
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6398977 |
Strontium iron oxide particle powder and process for producing the same
The present invention provides a hollow shape strontium iron oxide particle powder. Not only is the particle powder high in safety and excellent in workability, but exhibits a large dielectric...
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6383235 |
Cathode materials, process for the preparation thereof and secondary lithium ion battery using the cathode materials
A process of preparation capable of easily preparing cathode materials having a homogeneous composition in a good mass productivity, a cathode material obtained by this process, and a secondary...
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6174835 |
Exhaust gas purifying device and method for purifying exhaust gas
An exhaust gas purifying catalyst for use in an oxygen surplus atmosphere, includes a brown millerite composite oxide for directly decomposing and absorbing nitrogen oxide (NO x ), and a noble...
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6165932 |
Transition metal oxides useful in fabrication of NOx absorbent formulations
The invention is a sol-gel processed metal-aluminum based oxide material useful as a catalyst including a NOx trapping catalyst. It is made from alkoxides comprising heterometallic alkoxides. The...
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6139753 |
Method for treating acidic waste water
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6103422 |
Cathode active material and nonaqueous secondary battery containing the same
The powdery cathode active material of the present invention for use in a nonaqueous electrolyte secondary battery comprises as the active ingredient a lithium manganese composite oxide and at...
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6083474 |
Lithium-iron oxide particles and process for producing the same
There are disclosed lithium-iron oxide particles having an excellent properties such as electrochemical reversibility and suitable as a material for cathode active material for lithium ion...
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6080510 |
Ternary mixed lithium oxides, process for preparing the same, and secondary lithium battery formed therefrom
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6077496 |
Positive electrode active material for nonaqueous secondary cells and a process for producing said active material
The mixed powders of a lithium compound and a transition metal based compound are formed into shaped parts, which are packed to form a bed 6 on a porous plate 5 in the bottom of a reaction vessel 7...
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5989516 |
Spindle-shaped geothite particles
The present invention relates to a spindle-shaped goethite particles containing cobalt of 8.0 to 50.0 atm %, calculated as Co, based on the total Fe in the spindle-shaped goethite particles and a...
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