Class 423/622 - Zinc

Subclass of Class 423 - Chemistry of inorganic compounds
Definition: Products or processes wherein the metal is zinc.
No. of patents: 184
Last issue date: 05/07/2013

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Number	Title	Issue Date
8435485	Method for producing zinc oxide using ammonium bromide, exoergic filler, resin composition, exoergic grease and exoergic coating composition comprising the zinc oxide The present disclosure provides a zinc oxide particle that can be used more suitably than common zinc oxide in the application such as an exoergic filler and the like, and can be used in the other applications. A zinc oxide particle having a median size of 1 to 30 �...	05/07/2013
8268287	Zinc oxide nanorod thin film and method for making same The zinc oxide nanorod thin film in accordance with the present invention is highly condensed and has ideal photoelectric properties. The method for making the zinc oxide nanorod thin film has two steps: forming a zinc oxide seed layer comprising multiple crystals e...	09/18/2012
8216544	ZnO varistor powder A ZnO varistor powder can be obtained with high operating voltage and excellent current-voltage nonlinear resistance characteristics. In the ZnO varistor powder, the main ingredient is zinc oxide (ZnO); and at least bismuth (Bi), cobalt (Co), manganese (Mn), antimon...	07/10/2012
8168157	Production method of fine particle zinc oxide powder and cosmetics containing the same It is to provide a production method of zinc oxide powder excellent in UV protection ability and transparency and to provide cosmetics containing the same. The fine particle zinc oxide powder is produced by subjecting either an aqueous solution containing both a wat...	05/01/2012
8101153	Method for the valorisation of zinc-and sulphate-rich residue The present invention describes a method for treating residues comprising zinc ferrites and non-ferrous metals selected from among the group made up of lead (Pb), silver (Ag), indium (In), germanium (Ge) and gallium (Ga) or mixtures thereof in the form of oxides and...	01/24/2012
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 distribution. The laser pyrolysis process is characterized by the pr...	09/09/2008
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 m2/g, which is in the form of aggregates, the aggregates being composed of particles having different morphologies, and 0-10% of the aggregates being in a circular form, ...	05/13/2008
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 which an excess of amine is added. Hydrolysis of the reagents is effe...	11/20/2007
7285261	Preparation and application of novel chromium based nanocatalyst for gas-phase fluorination and hydrofluorination reactions A process of reacting a metal chloride, especially chromium (III) chloride, with an alkali metal oleate at a temperature of from about 30° to about 300° C., and especially at about 70±1° C., in a solvent to form a metal oleate complex, especially a chromium-olea...	10/23/2007
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 rapidly reacting to form deposits; (b) supplying the at least two reac...	07/03/2007
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 iii) ammonia or ammonium salt at 250–700° C. under 180–550 bar f...	06/26/2007
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 comprising, adding and dissolving transition metal salt which is a precursor of...	05/29/2007
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 precipitate; (b) continuously adding said solution A and solution B in...	05/01/2007
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 process between ZnO powder and graphite, on a silicon substrate, wherein va...	04/03/2007
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 either dopants or components of the final oxide, in an organic solvent; (i...	02/27/2007
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 distribution and can include one or more semiconductor materials. Semiconductin...	11/21/2006
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(NO3)3 or a combination of metal nitrate salts such as Zn(NO3)3,6H2O and Ga(NO3...	11/14/2006
7132783	Phosphor particles having specific distribution of average diameters Small particles provide for improved performance as phosphors especially in the production of display devices. Particles with an diameter less than about 100 nm have altered band properties that affect the emission by the particles. A collection of such small partic...	11/07/2006
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 the base material which is drawn upward above the surface of the base ...	10/10/2006
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 the formula MX(m−n) with at least one surfactant and at ...	10/10/2006
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 (α) of 1.1 to 2.0 and a cohesive scale (β) of 3 to 10, the cohesiv...	08/15/2006
7087100	Preparation of nanosized copper and copper compounds The present invention is a process for producing nanosized metal compounds. The preferred product is nanosized copper, nanosized copper (I) oxide, and nanosized copper (II) oxide. The process includes heating a copper metal precursor in a hydrocarbon preferably sele...	08/08/2006
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 treated metal oxide nanoparticles are rendered hydrophobic by the surfa...	07/25/2006
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 ling morphology, bonded together and aligned along at least one, and up ...	04/04/2006
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 solution of zinc chloride. The problems include environmental destruction c...	01/31/2006
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 formula MXCupX, wherein M is a metal, and Cup is a N-...	01/10/2006
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 invention, p-type semiconductors of formula Zn4−xAx	09/13/2005
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 characteristic and the like, compared with a conventional c-axial oriented one...	08/30/2005
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 particles are adapted to minimise migration to the surface of the partic...	03/22/2005
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, ferric chloride, and oxygen; precipitating iron from the leach solution us...	01/18/2005
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 ceramics precursor, template formed from an organic compound or the asso...	01/11/2005
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 Zn2+ ions wherein the coordinating ligand compound is present in an amount that is eff...	01/11/2005
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 1-2 0) planes of the ZnO epitaxial film are disposed with an interpla...	10/05/2004
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 can be treated by adding carbon and an ammonium chloride solution, sep...	08/31/2004
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 comprising at least one amino acid, at least one metal ion, and at l...	05/04/2004
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 containing precursor, the metal containing precursor has an average m...	04/13/2004
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, by basic hydrolysis of at least one zinc compound in alcohol or an al...	03/23/2004
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% by weight of the specific density of the compact metal and/or the com...	03/16/2004
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 oxide, a zinc salt, or any mixture of two or more thereof....	03/09/2004
6696029	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 can be treated by adding carbon and an ammonium chloride so...	02/24/2004

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Class 423/622 - Zinc