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7608237 |
Synthesis of nanostructured materials using liquid crystalline templates
A process for synthesizing nanostructures is disclosed. The process involves forming a liquid crystalline template by combining a block copolymer, a first reactant in a polar phase, and a nonpolar...
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7601324 |
Method for synthesizing metal oxide
The method for synthesizing metal oxide nanopowder produces powders of nanoparticle size from metals having relatively low boiling temperatures, such as zinc, tellurium, bismuth, and strontium by...
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7595036 |
Synthesis of tetragonal phase stabilized nano and submicron sized nanoparticles
Novel, monodispersed, spherical ZrO 2 particles in the size range of approximately 10 to approximately 600 nm exhibiting metastable tetragonal crystal structure at room temperature and novel...
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7582276 |
Nanoscale rutile or anatase oxide and method for producing same
The invention relates to nanoscale rutile or oxide powder that is obtained by producing amorphous TiO 2 by mixing an alcoholic solution with a titanium alcoholate and with an aluminum alcohalate...
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7553474 |
Method for producing metal oxide sol
It is an object to provide a method for producing stable alkaline metal oxide sols having a uniform particle size distribution. The method comprises the steps of: heating a metal compound at a...
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7510635 |
High purity zinc oxide powder and method for production thereof, and high purity zinc oxide target and thin film of high purity zinc oxide
Provided is a manufacturing method of high purity oxide powder including the steps of subjecting a raw material such as Zn-containing scrap to acid leaching or electrolytic extraction, thereafter...
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7488464 |
Metal oxide processing methods and systems
Methods and systems for processing metal oxides from metal containing solutions. Metal containing solutions are mixed with heated aqueous oxidizing solutions and processed in a continuous process...
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7482382 |
Process for preparing nano-sized metal oxide particles
The present invention is directed to novel sol-gel methods in which metal oxide precursor and an alcohol-based solution are mixed to form a reaction mixture that is then allowed to react to produce...
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7423512 |
Zinc oxide particles
A collection of zinc oxide nanoparticles have been produced by laser pyrolysis. The zinc oxide nanoparticles have average particle diameters of less than about 95 nm and a very narrow particle size...
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7371337 |
Zinc oxide powder aggregates present in circular, ellipsoidal, linear and branched form
Pyrogenically prepared zinc oxide powder having a BET surface area of from 10 to 200 m 2 /g, which is in the form of aggregates, the aggregates being composed of particles having different...
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7297321 |
Supermicroporous metal oxides
A new class of supermicroporous mixed oxides, with pore sizes in the 10-20 Å range has been prepared utilizing basic metal acetates. The reactions are carried out in non-aqueous solvent media to...
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7238331 |
Process for producing nano-powders and powders of nano-particle loose aggregate
The present invention discloses a process for producing nano-powders and powders of nano-particle loose aggregate, which includes: (a) providing at least two reactant solutions A and B capable of...
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7235224 |
Process for preparing fine metal oxide particles
Disclosed is a process for preparing fine metal oxide particles, comprising the following steps of reacting a reactant mixture comprising i) water, ii) at least one water-soluble metal nitrate and...
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7223377 |
Process for producing micro-mesoporous metal oxide having regulated pores formed by novel template removal method
The present invention is the method for preparation of transition metal oxide having micro-mesoporous structure whose average fine pores size is not less than 1 nm and not more than 2 nm...
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7211230 |
Process for producing nanometer grade powders
The present invention discloses a process for producing nanometer powders, comprising the following steps: (a) providing reactant solution A and reactant solution B that can rapidly react to form...
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7198773 |
Synthesis of ZnO nano-structured materials and its apparatus
Disclosed are a method of fabricating ZnO nanostructures and its apparatus, and more particularly, to a method of fabricating ZnO nanostructures from Zn gas, which is produced by a reduction...
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7182929 |
Nanostructured multi-component and doped oxide powders and method of making same
A method for producing nanostructured multi-component or doped oxide particles and the particles produced therein. The process includes the steps of (i) dissolving salts of cations, which are...
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7138098 |
Preparation of nanocrystallites
A method of manufacturing a nanocrystallite from a M-containing salt forms a nanocrystallite. The nanocrystallite can be a member of a population of nanocrystallites having a narrow size...
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7135161 |
Method of producing nanosized oxide powders
A method of forming metal oxide powders includes the steps of solid state mixing of at least one metal nitrate salt, such as Fe(NO 3 ) 3 or a combination of metal nitrate salts such as Zn(NO 3 ) 3...
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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...
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7118726 |
Method for making oxide compounds
A method of making an oxide compound, comprising subjecting a base material to a source of heat that produces a localized temperature in the range of 2,000 to 5,500 degrees Celsius that vaporizes...
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7090821 |
Metal oxide powder for high precision polishing and method of preparation thereof
The present invention relates to a metal oxide powder for high precision polishing and prepartion thereof, comprising aggregates formed by cohesion of primary particles, which has a cohesive degree...
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7081234 |
Process of making hydrophobic metal oxide nanoparticles
A process of treating metal oxide nanoparticles that includes mixing metal oxide nanoparticles, a solvent, and a surface treatment agent that is preferably a silane or siloxane is described. The...
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7022303 |
Single-crystal-like materials
Polycrystalline materials of macroscopic size exhibiting Single-Crystal-Like properties are formed from a plurality of Single-Crystal Particles, having Self-Aligning morphologies and optionally...
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6992038 |
Zinc chloride-loaded support and method for producing the same
The present invention is to solve the problems caused by a conventional method for producing a zinc chloride-loaded support wherein zinc chloride is adsorbed on a solid support in an aqueous...
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6984369 |
Process for making surfactant capped metal oxide nanocrystals, and products produced by the process
Disclosed is a process for making surfactant capped nanocrystals of metal oxides which are dispersable in organic solvents. The process comprises decomposing a metal cupferron complex of the...
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6942728 |
High performance p-type thermoelectric materials and methods of preparation
The present invention is embodied in high performance p-type thermoelectric materials having enhanced thermoelectric properties and the methods of preparing such materials. In one aspect of the...
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6936188 |
Zinc oxide semiconductor material
A zinc oxide semiconductor material comprising at least zinc and oxygen as constituent elements, which can be deterred with respect to the deterioration of doping characteristic, luminous...
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6869596 |
Ultraviolet light screening compositions
A UV screening composition comprising particles which are capable of absorbing UV light so that electrons and positively charged holes are formed within the particles, characterised in that the...
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6863873 |
Process to produce simonkolleite, zinc oxide and zinc hydroxide
A hydrometallurgical process utilizing an atmospheric calcium chloride leach to selectively recover from various metal feed stocks (consisting of elemental metals, metal oxides, metal ferrite,...
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6843976 |
Reduction of zinc oxide from complex sulfide concentrates using chloride processing
An apparatus and a process for producing zinc oxide from a zinc-bearing material are provided. The process comprises the steps of leaching the complex sulfide material with hydrochloric acid,...
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6841143 |
Mesostructured oxide ceramics and their synthesis method
This invention provides mesostructured oxide ceramics and a synthesizing method thereof, the synthesizing method employs a water-based solvent containing a metallic salt or metal complex as the...
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6841000 |
Mineralizer composition and method for growing zinc oxide crystals, films and powders
Aqueous mineralizer solutions having retrograde solubility for ZnO contain a mineral acid in which ZnO is soluble and at least one compound of a coordinating ligand for Zn 2+ ions wherein the...
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6800135 |
ZnO/sapphire substrate and method for manufacturing the same
A ZnO/sapphire substrate includes an R-plane sapphire substrate whose (0 1-1 2) planes are parallel to the surface thereof and a ZnO epitaxial film formed on the R-plane sapphire substrate. The (1...
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6783744 |
Method for the purification of zinc oxide controlling particle size
A method for the recovery of high purity zinc oxide products, and optionally iron-carbon feedstocks, from industrial waste streams containing zinc oxide and/or iron. The waste streams preliminary...
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6780393 |
Method of producing fine particles of metal oxide
A method of producing fine particles of an oxide of a metal, comprising the steps of: preparing an acidic solution which contains ions of the metal; precipitating fine particles of a hydroxide of...
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6730518 |
Method for preventing photooxidation or air oxidation in food, pharmaceuticals and plastics
Disclosed is a method of reducing photooxidation or air oxidation in susceptible materials such as food, plastics or pharmaceuticals comprising mixing the material with an antioxidation composition...
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6719821 |
Precursors of engineered powders
The production and selection of precursor mixtures used to produce fine powders and methods for making fine powders using the selected precursor. The precursor mixture comprises at least one metal...
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6710091 |
Nanoparticulate, redispersible zinc oxide gels
A method for the preparation of nano size zinc oxide particles having an average primary particle diameter of less than or equal to 15 nm, which are redispersible in organic solvents and/or water,...
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6706220 |
Mixture consisting of metal particles and/or alloy particles and of a liquid electrolytic medium and method for producing the same
In the mixture of metal and/or alloy particles and a liquid electrolytic medium, the metal and/or alloy particles are irregularly shaped, have a non-uniform surface and a bulk density of below 33%...
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6703006 |
Deodorant compositions
A deodorant composition for topical application, which comprises a plurality of particles dispersed and a carrier, each particle comprising a glass microsphere at least partially coated with zinc...
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6627173 |
Doped titanium dioxide
A process for the preparation of doped, pyrogenically prepared titanium dioxide is described. The titanium dioxide is doped with zinc oxide, platinum oxide, magnesium oxide, or aluminium oxide, by...
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6627100 |
Current/voltage non-linear resistor and sintered body therefor
A current/voltage non-linear resistor comprises a sintered body having a main component of ZnO, an electrode applied to a surface of the sintered body and an insulation material applied to another...
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6555075 |
Method of preparing zinc carbonate
A method for preparing basic zinc carbonate from die casting ash, zinc skimming or zinc ash includes heating urea or a mixture of urea and ammonia and carbon dioxide with water in a closed vessel...
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6517802 |
Methods of synthesis for nanostructured oxides and hydroxides
A chemical synthetic route for nanostructured materials that is scalable to large volume production, comprising spray atomization of a reactant solution into a precursor solution to form a...
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6517789 |
Method for reclaiming constituents from an industrial waste stream
An industrial waste stream recycling method for recovery of high purity zinc oxide products and other chemical and metal values from industrial waste streams containing zinc compounds by leaching...
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6497830 |
Ultraviolet light absorber and its use
An ultraviolet light absorber containing, as an active ingredient, a zinc oxide type solid solution which is represented by the formula (1), (Zn) 1−x M 3+ x−δ O (1) wherein M 3+ is a...
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6468498 |
Composite metal material, preparation thereof and photocatalytic process using same
A composite metal material of formula (I) are stable and not deteriorated for a long time and have excellent activities in photolyzing water with visible light: x(A)y(B)z(C)-p(P)n(N) (I) wherein,...
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6350946 |
Photoelectric conversion device and photoelectric cell
A photoelectric conversion device having a photosensitive layer comprising semiconductor particles is disclosed, in which the semiconductor particles are obtained from a metal hydroxide gel or a...
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6267949 |
Sunscreen composition
The invention provides a sunscreen formulation including conventional UVB sunscreening agents and zinc oxide having an average particle size in the order of 150 to 800 nm. Preferably the zinc oxide...
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